Moisture curable silylated polymer compositions containing reactive modifiers

Moisture-curable resin compositions comprising (a) a moisture-curable polymer having at least one hydrolysable silyl group; (b) a reactive modifier; (c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under curing conditions; and cured compositions produced by contacting such resin compositions with water are disclosed. The moisture-curable resin composition is useful in the production of adhesives, including hot melt adhesives, primers, sealants, and coatings.

SELECTIVE NON-PRECIOUS METAL-CATALYZED MONO-HYDROSILYLATION OF POLYUNSATURATED COMPOUNDS

Disclosed herein is the selective synthesis of mono-hydrosilylated derivatives of polyunsaturated compounds, such as trivinylcyclohexane using non-precious metal based pyridinediimine and terpyridine complex as selective hydrosilylation catalysts. 2. The process of wherein the molar ratio of the Si-H functional groups in the silyl hydride to the alkenyl functional groups in the unsaturated compound is about 1:α.3. The process of wherein the unsaturated compound is selected from the group consisting of trivinylcyclohexanes claim 1 , trivinylbenzenes claim 1 , tetravinylcyclobutane claim 1 , trivinyltrimethylcyclotrisiloxane claim 1 , tetramethyltetravinylcyclotetrasiloxane claim 1 , triallylcyanurate claim 1 , and triallylisocyanurate.4. The process of wherein the unsaturated compound is trivinylcyclohexane.5. The process of claim 1 , wherein the silyl hydride is selected from the group consisting of RSiH claim 1 , (RO)SiH claim 1 , HSiR(OR) claim 1 , RSi(CH)(SiRO)SiRH claim 1 , (RO)Si(CH)(SiRO)SiRH claim 1 , QTTDDMM claim 1 , and combinations thereof claim 1 , wherein Q is SiO claim 1 , T is R′ SiO claim 1 , Tis HSiO claim 1 , D is R′ SiO claim 1 , Dis R′ HSiO claim 1 , Mis HR′ SiO claim 1 , M is R′ SiO claim 1 , each occurrence of R and R′ is independently C1-C18 alkyl claim 1 , C1-C18 substituted alkyl claim 1 , aryl claim 1 , or substituted aryl claim 1 , wherein R and R′ optionally contain at least one heteroatom claim 1 , each occurrence of a independently has a value from 1 to 3 claim 1 , f has a value of from 1 to 8 claim 1 , e has a value of from 1 to 11 claim 1 , g has a value of from 1 to 3 claim 1 , p is from 0 to 20 claim 1 , u is from 0 to 20 claim 1 , v is from 0 to 20 claim 1 , w is from 0 to 1000 claim 1 , x is from 0 to 1000 claim 1 , y is from 0 to 20 claim 1 , and z is from 0 to 20 claim 1 , provided that p+x+y equals 1 to 3000 claim 1 , and the valences of the all the elements in the silyl hydride are satisfied.7. The process of wherein the silyl ...

DIOL-DERIVED ORGANOFUNCTIONAL SILANE AND COMPOSITIONS CONTAINING SAME

Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof. 2. The silane of wherein each occurrence of Y is —O—CH—CHO claim 1 , —CHO claim 1 , —NRC(═O)NRRor N═C═O group claim 1 , wherein each R claim 1 , Rand Ris independently an alkyl group claim 1 , an alkenyl group claim 1 , an aryl group claim 1 , or an aralkyl group containing from 1 to 20 carbon atoms or a hydrogen.3. The silane of wherein G is —(CH)— wherein m is 1 to 12.4. The silane of wherein X is methoxy claim 1 , ethoxy claim 1 , propoxy claim 1 , isopropoxy or isobutoxy.5. The silane of wherein X is R—.6. The silane of wherein —Ris methyl claim 5 , ethyl or propyl.7. The silane of wherein —O(RCR)O— is independently selected from divalent alkoxy groups derived from 1 claim 1 ,3-propanediol claim 1 , 2-methyl-1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,3-butanediol and 2-methyl-2 claim 1 ,4-pentanediol.8. A sizing for fiberglass comprising the silane of .9. A sizing for fiberglass comprising the silane of10. A sizing for fiberglass comprising the silane of .11. A sizing for fiberglass comprising the silane of .12. A sizing for fiberglass comprising the silane of .13. A rubber composition comprising(a) at least one sulfur vulcanizable rubber selected from the group consisting of a conjugated diene homopolymer and a copolymer, a copolymer of at least one conjugated diene and aromatic vinyl compound, and mixtures thereof;(b) at least one particulate filler;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(c) at least one silane of ; and, optionally,'}(d) at least one curing agent.14. A rubber composition ...

TRIVINYLCYCLOHEXANE STEREOISOMERIC COMPOSITIONS AND METHODS FOR PREPARING SAME

Disclosed herein is a process for making 1,2,4-trivinylcyclohexane that is enriched in a particular geometric isomer. The process involves the thermal isomerization of 1,5,9-cyclododecatriene at temperature between 400° C. and 600° C. followed by an equilibration of the resultant intermediate in either the gas phase or liquid phase at temperature between 180° C. and 375° C. and at pressures ranging from 0.101 kPa to 1.013 kPa. Also disclosed are 1,2,4-trivinylcyclohexane compositions that are enriched in a particular geometric isomer. 1. A process for preparing a 1 ,2 ,4-trivinylcyclohexane composition enriched in Isomer A , the lowest boiling geometric isomer of 1 ,2 ,4-trivinylcyclohexane , comprising:(i) heating 1,5,9-cyclododecatriene at a temperature of from about 400° C. to about 600° C. and at a pressure of from about 1 mbar to about 1.2 bar thereby forming a 1,2,4-trivinylcyclohexane composition containing low levels of Isomer A;(ii) equilibrating the composition from step (i) in a vapor phase or a liquid phase at a temperature ranging from about 180° C. to about 375° C. and at a pressure ranging from about 1 mbar to about 10 bar to produce a 1,2,4-trivinylcyclohexane composition enriched in Isomer A as compared to the composition of step (i).2. The process of wherein the 1 claim 1 ,2 claim 1 ,4-trivinylcyclohexane composition of step (ii) has a molar ratio of Isomer A claim 1 , the lowest boiling isomer of 1 claim 1 ,2 claim 1 ,4-trivinylcyclohexane to isomer B claim 1 , the next higher boiling isomer of 1 claim 1 ,2 claim 1 ,4-trivinylcyclohexane claim 1 , of between 2.4:1 and 3.5:1.3. The process of wherein step (i) is carried out at a temperature between about 507° C. and about 540° C. claim 1 , in the presence of an inert gas with a partial pressure of from about 30 mbar to about 256 mbar and a residence time of from about 6 seconds to about 11 seconds.4. The process of wherein step (i) is carried out in the presence of an inert gas at a partial ...

MOISTURE CURABLE SILYLATED POLYMER COMPOSITIONS CONTAINING REACTIVE MODIFIERS

Moisture-curable resin compositions comprising (a) a moisture-curable polymer having at least one hydrolysable silyl group; (b) a reactive modifier; (c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under curing conditions; and cured compositions produced by contacting such resin compositions with water are disclosed. The moisture-curable resin composition is useful in the production of adhesives, including hot melt adhesives, primers, sealants, and coatings. 1. A moisture-curable resin composition comprising:(a) a moisture-curable polymer having at least one hydrolysable silyl group; {'br': None, 'sup': 2', '4', '5, 'sub': c', '3-c', 'd, 'G[—SiR(OR)]\u2003\u2003(Formula 2)'}, '(b) a reactive modifier of the general Formula (2) [{'sup': '2', 'Gis selected from the group consisting of a monovalent or divalent linear hydrocarbon group containing from 8 to 20 carbon atoms; and a monovalent or divalent linear heterocarbon containing from 8 to 20 carbon atoms wherein the heteroatoms are selected from the group consisting of oxygen, silicon and sulfur;'}, {'sup': '4', 'each occurrence of Ris a monovalent hydrocarbon containing from 1 to 12 carbon atoms;'}, {'sup': '5', 'each occurrence of Ris a monovalent hydrocarbon containing from 1 to 12 carbon atoms, or a heterocarbon group containing from 1 to 12 carbon atoms and at least one hydroxyl group;'}, [{'sup': 2', '2, '(i) when Gcontains a heteroatom, the terminal atoms of Gare carbon atoms; and'}, {'sup': 2', '2, '(ii) when a silicon atom is attached to G, the silicon atom is covalently bonded to a terminal carbon of G; and'}], 'each occurrence of c and d is independently an integer, wherein c is 0 to 2; and d is 1 or 2 with the provisos that,'}], 'wherein(c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under moisture curing conditions.2. The moisture-curable resin composition of claim 1 , wherein Gis a ...

CYCLIC DIOL-DERIVED BLOCKED MERCAPTOFUNCTIONAL SILANE COMPOSITIONS

Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic diol-derived blocked mercaptofunctional silanes, processes for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof. 119-. (canceled)21. (canceled)23. (canceled)24. (canceled)25. The process of claim 20 , wherein the reaction temperature is about 40 to about 85° C. and the pressure is ambient.27. (canceled)28. (canceled)29. The process of claim 26 , wherein the phase transfer catalyst is selected from the group consisting of tetramethylammonium chloride claim 26 , tetramethylammonium bromide claim 26 , tetramethylammonium iodide claim 26 , tetramethylammonium hydroxide claim 26 , tetraethylammonium chloride claim 26 , tetraethylammonium bromide claim 26 , tetraethylammonium iodide claim 26 , tetraethylammonium hydroxide claim 26 , tetrabutylammonium chloride claim 26 , tetrabutylammonium bromide claim 26 , tetrabutylammonium iodide claim 26 , tetrabutylammonium hydroxide claim 26 , methyltributylammonium chloride claim 26 , methyltributylammonium bromide claim 26 , methyltributylammonium iodide claim 26 , methyltributylammonium hydroxide claim 26 , tetraoctylammonium chloride claim 26 , tetraoctylammonium bromide claim 26 , tetraoctylammonium iodide claim 26 , tetraoctylammonium hydroxide claim 26 , methyltrioctylammonium chloride claim 26 , methyltrioctylammonium bromide claim 26 , methyltrioctylammonium iodide claim 26 , methyltrioctylammonium hydroxide claim 26 , benzyltrimethylammonium chloride claim 26 , benzyltrimethylammonium bromide claim 26 , benzyltriethylammonium chloride claim 26 , benzyltributylammonium chloride claim 26 , dibenzyldimethylammonium chloride claim 26 , dibenzyldimethylammonium bromide claim ...

METHOD OF STABILIZING IMINO-FUNCTIONAL SILANE

A method of stabilizing imino-functional silane involving adding thereto at least one Brønsted-Lowry base to inhibit, suppress or prevent the addition reactions of the imino-functional silane with itself to form a imino- and amino-functional silane and the subsequent deamination reactions to form conjugated carbon-carbon double bond-containing imino-functional silanes and stabilized imino-functional silanes containing the at least one Brønsted-Lowry base. 128-. (canceled)29. A stabilized imino-functional silane substantially free of a proton source and containing less than about 2 weight percent conjugated carbon-carbon double bond-containing imino-functional silane based on the total weight of conjugated carbon-carbon double bond-containing imino-functional silane and imino-functional silane.30. A stabilized imino-functional silane substantially free of a proton source and containing less than about 0.5 weight percent conjugated carbon-carbon double bond-containing imino-functional silane based on the total weight of conjugated carbon-carbon double bond-containing imino-functional silane and imino-functional silane.31. The stabilized imino-functional silane of claim 29 , wherein the stabilized imino-functional silane contains less than about 15 ppm proton source based on the weight of the imino-functional silane.32. The stabilized imino-functional silane of claim 29 , wherein the stabilized imino-functional silane contains less than about 1 ppm proton source based on the weight of the imino-functional silane.33. The stabilized imino-functional silane of claim 29 , wherein the stabilized imino-functional silane contains less than about 0.5 weight percent conjugated carbon-carbon double bond-containing imino-functional silane based on the total weight of conjugated carbon-carbon double bond-containing imino-functional silane and contains less than about 15 ppm proton source based on the weight of the imino-functional silane.34. The stabilized imino-functional silane ...

METHOD OF STABILIZING IMINO-FUNCTIONAL SILANE

A method of stabilizing imino-functional silane involving adding thereto at least one Brønsted-Lowry base to inhibit, suppress or prevent the addition reactions of the imino-functional silane with itself to form a imino- and amino-functional silane and the subsequent deamination reactions to form conjugated carbon-carbon double bond-containing imino-functional silanes and stabilized imino-functional silanes containing the at least one Brønsted-Lowry base. 1. A method of stabilizing imino-functional silane comprising:a) adding a Brønsted-Lowry base to an imino-functional silane; and,b) mixing the imino-functional silane with the Brønsted-Lowry base to provide stabilized imino-functional silane.5. The method of claim 4 , wherein in Brønsted-Lowry base (X) claim 4 , M is an alkali or alkaline earth metal claim 4 , R is hydrogen or a hydrocarbon group of from 1 to about 20 carbon atoms and subscript f is 1 or 2 claim 4 , with the provisos that when M is an alkali metal claim 4 , subscript f is 1 and when M is an alkaline earth metal claim 4 , subscript f is 2.6. The method of claim 1 , wherein the Brønsted-Lowry base is at least one member selected from the group consisting of alkali metal and alkaline metal hydroxides claim 1 , alkoxides and oxides.7. The method of claim 1 , wherein the Brønsted-Lowry base is at least one member selected from the group consisting of LiOH claim 1 , NaOH claim 1 , KOH claim 1 , CsOH claim 1 , Mg(OH) claim 1 , Ca(OH) claim 1 , Ba(OH) claim 1 , NaOMe claim 1 , KOMe claim 1 , NaOEt claim 1 , KOEt claim 1 , CaO claim 1 , MgO and BaO.8. The method of claim 1 , wherein the amount of Brønsted-Lowry base (X) added to the imino-functional silane ranges from about 0.0001 to about 10 weight percent based upon the total weight of the imino-functional silane and Brønsted-Lowry base.9. The method of claim 1 , wherein the Brønsted-Lowry base is soluble in the imino-functional silane at the concentration employed and matches the alkoxy functionality of ...

MOISTURE CURABLE SILYLATED POLYMER COMPOSITIONS CONTAINING REACTIVE MODIFIERS

A moisture-curable resin composition comprising (a) a moisture-curable polymer having at least one hydrolysable silyl group; (b) a reactive modifier; (c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under curing conditions; and optionally, the composition can contain one or more conventional components, including pigments, fillers, curing catalysts, dyes, plasticizers, thickeners, coupling agents, extenders, volatile organic solvents, wetting agents, tackifiers, crosslinking agents, thermoplastic polymers, ultraviolet stabilizers, and combination thereof. The moisture-curable resin composition is useful in the production of adhesives including hot melt adhesives, primers, sealants and coatings. 121.-. (canceled)23. The moisture-curable resin composition of claim 22 , wherein component (a) is present in an amount of from 30 weight percent to 95 weight percent based upon the total weight of (a) claim 22 , (b) and (c); component (b) is present in an amount of from 5 weight percent to 70 weight percent based upon the total weight of (a) claim 22 , (b) and (c); and component (c) is present in an amount of from 0.05 weight percent to 5 weight percent based upon the total weight of (a) claim 22 , (b) and (c).24. The moisture-curable composition of claim 23 , wherein the catalyst (c) is an organic dibutyltin claim 23 , zirconium complex claim 23 , aluminum chelate claim 23 , titanic chelate claim 23 , organic zinc claim 23 , organic cobalt claim 23 , organic iron claim 23 , organic nickel claim 23 , organobismuth claim 23 , amine and mixtures of organometallic compounds and amine.25. The moisture-curable resin composition of claim 24 , wherein the reactive modifier (b) is selected from the group consisting of 1 claim 24 ,2 claim 24 ,4-tris-[2-(trimethoxy-silanyl)-ethyl]-cyclohexane claim 24 , 1 claim 24 ,2 claim 24 ,4-tris-[2-(dimethoxy-methyl-silanyl)-ethyl]-cyclohexane claim 24 , 1 claim 24 ,2 claim 24 ,4-tris-[ ...

Method of stabilizing imino-functional silane

A method of stabilizing imino-functional silane involving adding thereto at least one Bromsted-Lowry base to inhibit, suppress or prevent the addition reactions of the imino- functional silane with itself to form a imino- and amino-functional silane and the subsequent deamination reactions to form conjugated carbon-carbon double bond-containing imino- functional silanes and stabilized imino-functional silanes containing the at least one Bronsted- Lowry base.

Method of stabilizing imino-functional silane

A method of stabilizing imino-functional silane involving adding thereto at least one Bronsted-Lowry base to inhibit, suppress or prevent the addition reactions of the imino-functional silane with itself to form a imino- and amino-functional silane and the subsequent deamination reactions to form conjugated carbon-carbon double bond-containing imino-functional silanes and stabilized imino-functional silanes containing the at least one Bronsted-Lowry base.

Blocked mercaptosilane coupling agents for filled rubbers

This invention describes novel blocked mercaptosilanes wherein the hydrogen atom of the mercaptan functionality has been substituted. The invention includes methods of preparation for the blocked mercaptosilicon compounds as well as their use in filled rubbers. The blocked mercaptosilanes described are unique in that they allow the mixing of fillers with organic polymers to proceed while remaining inert toward coupling to the polymer. The coupling reactions of these blocked mercaptosilicon compounds are triggered by addition of an appropriate deblocking agent.

Mineral-filled elastomer compositions

Tire compositions and components containing free-flowing filler compositions

Free-flowing filler compositions containing silated cyclic core polysulfide coupling agents, and rubber and tire compositions containing the filler compositions.

Blocked mercaptosilane hydrolyzates as coupling agents for mineral-filled elastomer compositions

Hydrocarbon core polysulfide silane coupling agents for filled elastomer compositions

The present invention discloses novel hydrocarbon core polysulfide silanes and methods of preparing the hydrocarbon core polysulfide silanes. Preferably, the silanes of the present invention contain assemblies of a single unit of a hydrolyzable silane group, tethered to one end of a chain of sulfur atoms, and several of these assemblies are bound to a common central hydrophobic core via the other end of the sulfur atoms chain. The hydrocarbon core polysulfide silanes may be incorporated into filled elastomeric compositions providing improved dispersiblity of the filler materials. Mineral fillers may be pre-treated with the hydrocarbon core polysulfide silanes prior to use in elastomeric compositions.

Mineral-filled elastomer compositions

A composition of matter is disclosed wherein the composition comprises: A) at least one latent mercaptosilane coupling agent; and B) at least one additional mercaptan. Preferably, the composition comprises: A) at least one sulfur vulcanizable rubber; B) at least one latent mercaptosilane coupling agent; C) at least one latent mercaptosilane activator; D) at least one filler; and, optionally, E) at least one additional mercaptosilane. A two pass process for preparing cured articles, such as tires and/or tire treads, which employs the composition is also disclosed.

Silated cyclic core polysulfides, their preparation and use in filled elastomer compositions

This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Silated core polysulfides, their preparation and use in filled elastomer compositions

This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Free-flowing filler composition and rubber composition containing same

This invention relates to novel free-flowing filler compositions containing silated cyclic core polysulfide coupling agents, and to a rubber containing the filler composition.

Blocked mercaptosilane coupling agents, process for making and uses in rubber

The invention relates to sulfur silane coupling agents containing multiple blocked mercapto groups which are in a state of reduced activity until activated. The coupling agents are advantageously used in rubber formulations, for example, for fabricating tires with low rolling resistance.

Free-flowing filler composition and rubber composition containing same

This invention relates to novel free-flowing filler compositions containing sulfur-containing silane coupling agents, and to a rubber containing the filler composition.

Tire compositions and components containing silated cyclic core polysulfides

Sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These silanes can be carried on organic and inorganic fillers. The invention also relates to tire compositions and articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Tire compositions and components containing free-flowing filler compositions

Free-flowing filler compositions containing silated cyclic core polysulfide coupling agents, and rubber and tire compositions containing the filler compositions.

Tire compositions and components containing silated core polysulfides

Sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These silanes can be carried on organic and inorganic fillers. The invention also relates to tire compositions and articles of manufacture, particularly tires, made from elastomer compositions.

Tire compositions and components containing free-flowing filler compositions

Free-flowing filler compositions containing sulfur-containing silane coupling agents, and a tire composition containing the filler composition, for use in the manufacture of tires.

Tire compositions and components containing blocked mercaptosilane coupling agent

Sulfur silane coupling agents for use in tire compositions used to formulate tires or tire components which contain multiple blocked mercapto groups which are in a state of reduced activity until activated. The coupling agents are advantageously used in rubber formulations, including tire compositions, for example, for fabricating tires with low rolling resistance.

Cyclic diol-derived blocked mercaptofunctional silane compositions

TIRE AND COMPONENTS COMPOSITIONS CONTAINING SILENTED NUCLEAR POLYSULFETS

Blocked mercaptosilane coupling agents, process for making and uses in rubber

The invention relates to sulfur silane coupling agents containing multiple blocked mercapto groups which are in a state of reduced activity until activated. The coupling agents are advantageously used in rubber formulations, for example, for fabricating tires with low rolling resistance.

SILADO CYCLE CORE POLYESULPHETS, THEIR PREPARATION AND USE IN THE FIELD OF ELASTOMIC COMPOSITIONS

PREPARATION PROCEDURE FOR SILANO THIOCARBOXYLATE.

Un procedimiento para la preparación de un tiocarboxilato silano que comprende la reacción de una solución acuosa de una sal de un ácido tiocarboxílico con un haloalquil silano en la presencia o ausencia de un catalizador de transferencia de fase, para proporcionar un tiocarboxilato silano. A process for the preparation of a thiocarboxylate silane comprising the reaction of an aqueous solution of a salt of a thiocarboxylic acid with a haloalkyl silane in the presence or absence of a phase transfer catalyst, to provide a thiocarboxylate silane.

Coupling agents for mineral-filled elastomer compositions

A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Thiocarbamoyldisulfanyl-functional cycloaliphatic compound, process for its preparation, filled sulfur-vulcanizable elastomer composition containing same and articles fabricated therefrom

A thiocarbamoyldisulfanyl-functional cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-C a H 2a -S-S-C(=S)NR 2 ] n wherein G is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO-] n [R 2 SiO-] p group of valence n; each R independently is a hydrogen or a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a independently is an integer wherein a is 2 to 6; n is an integer of from 3 to 6; and, p is an integer of from 0 to 3.

Silated cyclic core polysulfides, their preparation and use in filld elastomer compositions

Rubber compositions comprising coupling agents for mineral-filled elastomer compositions

A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Hydrocarbon core polysulfide silane coupling agents for filled elastomer compositions

The present invention discloses novel hydrocarbon core polysulfide silanes a nd methods of preparing the hydrocarbon core polysulfide silanes. Preferably, t he silanes of the present invention contain assemblies of a single unit of a hydrolyzable silane group, tethered to one end of a chain of sulfur atoms, a nd several of these assemblies are bound to a common central hydrophobic core v ia the outer end of the sulfur atoms chain. The hydrocarbon core polysulfide silanes may be incorporated into filled elastomeric compositions providing improved dispersibility of the filler materials. Mineral fillers may be pre- treated with the hydrocarbon core polysulfide silanes prior to use in elastomeric compositions.

Blocked mercaptosilane hydrolyzates as coupling agents for mineral-filled elastomer compositions

Blocked mercaptosilane coupling agents, process for making and use in rubber compositions

The invention relates to sulfur silane coupling agents containing multiple blocked mercapto groups which are in a state of reduced activity until activated. The coupling agents are advantageously used in rubber formulations, for example, for fabricating tires with low rolling resistance.

Hydrocarbon core polysulfide silane coupling agents for filled elastomer compositions

Silated core polysulfides, their preparation and use in filled elastomer compositions

This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Sulfur-containing cycloaliphatic compound, process for its preparation, filled sulfur-vulcanizable elastomer composition containing same and articles fabricated therefrom

A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[—C a H 2a —S—S(═O) b —R] n wherein G is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—] n [R 2 SiO—] p group of valence n; each R independently is a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 1 or 2; n is an integer of from 3 to 6; and p is an integer of from 0 to 3.

silane compositions, processes for their preparations and rubber compositions containing the same

composições de silano, processos para suas preparações e composições de borracha contendo as mesmas as composições de silano apresentando fórmula geral são fornecidas aqui compreendendo [ (ro) x (r^ 1^) (3-x)^ -si-mt^]~ q~¯l- [(r^ ª^) car- (cr^ ²^=cr^ ²^)~ y~]~ z~ onde r e r^ ¹^ são independentemente um grupo de hidrocarboneto de 1 até cerca de 20 átomos de carbono; r^ ²^ são cada um independentemente hidrogênio ou um grupo de hidrocarboneto de 1 até cerca de 20 átomos de carbono; m é um grupo de conexão de hidrocarboneto divalente de 1 até cerca de 20 átomos de carbono para ligar o átomo de silício e o grupo l; l é um grupo de ligação de hidrocarboneto ligado covalentemente de 1 até cerca de 20 átomos de carbono ou um grupo de ligação de heteroátomo selecionado a partir do grupo consistindo em -o-, -5-, -nr^ ³^- onde r^ ³^ é uma ligação ou um grupo de hidrocarboneto de 1 até cerca de 20 átomos de carbono; ra é um grupo alquileno de 1 a 12 átomos de carbono; ar é um grupo aromático substituído ou não substituído; q é um número inteiro de 1 a 4; t e c são cada um independentemente 0 ou 1; e x, y e z são cada um independentemente número inteiros de 1 a 3, inclusive, com a condição de que t é 1 quando l for um grupo heteroátomo. são também fornecidos processos para a preparação de composições de silano e composições de borracha compreendendo as composições de silano. silane compositions, processes for their preparation and rubber compositions containing the same silane compositions having general formula are provided herein comprising [(ro) x (r ^ 1 ^) (3-x) ^ -si-mt ^] ~ q ~ ¯l- [(r ^ ª ^) car- (cr ^ ² ^ = cr ^ ² ^) ~ y ~] ~ z ~ where r r ^ ^ are independently a hydrocarbon group of 1 to about 20 atoms of carbon; R 2 are each independently hydrogen or a hydrocarbon group of 1 to about 20 carbon atoms; m is a divalent hydrocarbon linking group of 1 to about 20 carbon atoms to bond the silicon atom and group 1; 1 is a covalently bonded hydrocarbon linking group of 1 to ...

Method of stabilizing imino-functional silane

A method of stabilizing imino-functional silane involving adding thereto at least one Bromsted-Lowry base to inhibit, suppress or prevent the addition reactions of the imino- functional silane with itself to form a imino- and amino-functional silane and the subsequent deamination reactions to form conjugated carbon-carbon double bond-containing imino- functional silanes and stabilized imino-functional silanes containing the at least one Bronsted- Lowry base.

Moisture curable silylated polymer compositions containing reactive modifiers

A moisture-curable resin composition comprising (a) a moisture-curable polymer having at least one hydrolysable silyl group; (b) a reactive modifier; (c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under curing conditions; and optionally, the composition can contain one or more conventional components, including pigments, fillers, curing catalysts, dyes, plasticizers, thickeners, coupling agents, extenders, volatile organic solvents, wetting a agents, tackifiers, crosslinking agents, thermoplastic polymers, ultraviolet stabilizers, and combination thereof. The moisture-curable resin composition is useful in the production of adhesives including hot melt adhesives, primers, sealants and coatings.

Coupling agents for mineral-filled elastomer compositions

A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

TIRE COMPOSITIONS AND COMPONENTS CONTAINING LOAD COMPOSITIONS THAT FLOW FREE.

Una composición de neumático para formar un componente de neumático, formándose la composición combinando al menos una composición de carga que fluye libremente preformada y al menos un caucho vulcanizable seleccionado de cauchos naturales, cauchos de poliisopreno sintéticos, cauchos de poliisobutileno, cauchos de polibutadieno, y cauchos de estireno-butadieno (SBR) al azar; formándose la composición de carga que fluye libremente preformada combinando al menos una carga activa y un primer silano; incluyendo la carga activa al menos una de carga activa seleccionada de negros de humo, sílices, cargas a base de silicio, y óxidos metálicos presentes en una cantidad combinada de al menos 35 partes en peso por 100 partes en peso de caucho vulcanizable total, de la cual al menos 10 partes en peso es negro de humo, sílice, o una combinación de los mismos; y comprendiendo el primer silano al menos un polisulfuro con núcleo sililado que tiene la fórmula general: en la que: [Y 1 R 1 Sx-]m[G 1 (R 2 SiX 1 X 2 X 3 )a]n[G 2 ]o[R 3 Y 2 ]p cada caso de G 1 se selecciona independientemente de una especie hidrocarbonada polivalente que tiene de 1 a 30 átomos de carbono que contiene un grupo polisulfuro representado por la fórmula general: [(CH2)b-]cR 4 [-(CH2)dSx-]e; cada caso de G 2 se selecciona independientemente de una especie hidrocarbonada polivalente de 1 a 30 átomos de carbono que contiene un grupo polisulfuro representado por la fórmula general: [(CH2)b-]cR 5 [-(CH2)dSx-]c; cada caso de R 1 y R 3 se selecciona independientemente de un fragmento hidrocarbonado divalente que tiene de 1 a 20 átomos de carbono; cada caso de Y 1 e Y 2 se selecciona independientemente de sililo (-SiX 1 X 2 X 3 ), hidrógeno, alcoxi (-OR 6 ), ácido carboxílico, éster (-C(=O)OR 6 ), en el que R 6 es un grupo hidrocarbonado monovalente que tiene de 1 a 20 átomos de carbono; cada caso de R 2 es un fragmento hidrocarbonado de cadena lineal representado por -(CH2)f-; cada caso de R 4 se selecciona ...

Process for the preparation of thiocarboxylate silane

An aqueous process is described in which thiocarboxylate silane is produced from haloalkyl silane by reaction of the haloalkyl silane with an aqueous solution of thiocarboxylate salt. Also described is a process for the preparation of aqueous thiocarboxylate salt from a sulfide and/or hydrosulfide and an acid chloride and/or acid anhydride.

sulfur-containing cycloaliphatic compound, process for its preparation, sulfur-vulcanizable charged elastomer composition containing sulfur and articles made therefrom.

Mineral-filled elastomer compositions

A composition of matter is disclosed wherein the composition comprises: at least one latent mercaptosilane coupling agent; and at least one additional mercaptan. Preferable, the composition comprises: at least one sulfur vulcanizable rubber; at least one latent mercaptosilane coupling agent; at least one latent mercaptosilane activator; at least one filler; and, optionally, at least one additional mercaptosilane. A two pass process for preparing cured articles, such as tires and/or tire treads, which employs the composition is also disclosed.

Hydrocarbon core polysulfide silane coupling agents for filled elastomer compositions

The present invention discloses novel hydrocarbon core polysulfide silanes and methods of preparing the hydrocarbon core polysulfide silanes. Preferably, the silanes of the present invention contain assemblies of a single unit of a hydrolyzable silane group, tethered to one end of a chain of sulfur atoms, and several of these assemblies are bound to a common central hydrophobic core via the outer end of the sulfur atoms chain. The hydrocarbon core polysulfide silanes may be incorporated into filled elastomeric compositions providing improved dispersibility of the filler materials. Mineral fillers may be pre-treated with the hydrocarbon core polysulfide silanes prior to use in elastomeric compositions.

Process for the preparation of thiocarboxylate silane

An aqueous process is described in which thiocarboxylate silane is produced from haloalkyl silane by reaction of the haloalkyl silane with an aqueous solution of thiocarboxylate salt. Also described is a process for the preparation of aqueous thiocarboxylate salt from a sulfide and/or hydrosulfide and an acid chloride and/or acid anhydride.

Diol-derived organofunctional silane and compositions containing same

Coupling agents for mineral-filled elastomer compositions

Hydrocarbon core polysulfide silane coupling agents for filled elastomer compositions

The present invention discloses novel hydrocarbon core polysulfide silanes and methods of preparing the hydrocarbon core polysulfide silanes. Preferably, the silanes of the present invention contain assemblies of a single unit of a hydrolyzable silane group, tethered to one end of a chain of sulfur atoms, and several of these assemblies are bound to a common central hydrophobic core via the outer end of the sulfur atoms chain. The hydrocarbon core polysulfide silanes may be incorporated into filled elastomeric compositions providing improved dispersibility of the filler materials. Mineral fillers may be pre-treated with the hydrocarbon core polysulfide silanes prior to use in elastomeric compositions.

Metal - catalyzed mono - hydrosilylation of polyunsaturated compounds

Disclosed herein is the selective synthesis of mono-hydrosilylated derivatives of polyunsaturated compounds, such as trivinylcyclohexane using non-precious metal based pyridined limine and terpyridine complex as selective hydrosilylation catalysts.

Blocked mercaptosilane coupling agents, process for making and use in rubber compositions

COMPOSITION OF ELASTOMERO CONTAINING MERCAPTOFUNCTIONAL SILANE AND PROCEDURE TO DO THE SAME

Una composicion de elastomero relleno que comprende a) por lo menos un componente de goma, b) por lo menos un relleno en partículas, y c) por lo menos un silano mercaptofuncional de la formula general (1) [HSG1SiZqZb]m[HSG2SiZb3]n[HSG3SiZb2X]o[[HSG4SiZbX2]p donde: cada aparicion de G1, G2, G3, y G4 es independientemente un grupo carbileno que contiene desde 1 hasta 30 átomos de carbonos seleccionados del grupo que consiste de grupos divalentes derivados por sustitucion de un hidrogeno en alquilo, alquenilo, arilo, o aralquilo o un grupo heterocarbono divalente que contiene de 1 hasta 30 átomos de carbono y uno o más átomos de oxígeno etérico (-O-) y/o azufre (-S-): cada aparicion de X es independientemente seleccionada del grupo que consiste de -CI, -Br, RO-, RC(=O)O-, R2C=NO-, R2NO-, -R, (HO)d-1G5O-, donde cada R es independientemente seleccionado del grupo que consiste de hidrogeno, alquilo recto, cíclico o ramificado que puede o no contener grupos alquenilo, grupos arilo y grupos aralquilo, de insaturacion, donde cada R, distinto de hidrogeno, contiene desde 1 hasta 18 átomos de carbono, G5 es independientemente un grupo hidrocarburo substituido desde 2 hasta 15 átomos de carbono o un grupo heterocarbono substituido desde alrededor de 4 hasta 15 átomos de carbono y contiene uno o más átomos de oxígeno etérico; cada aparicion Zbeta, que forma una estructura de union entre dos átomos de silicio, es [-OG5(OH)d-2O-]0-5, donde cada aparicion de G5 está independientemente seleccionado del grupo que consiste de un grupo hidrocarbileno de desde 2 hasta 15 átomos de carbono o un grupo heterocarbono divalente de desde 4 hasta 15 átomos de carbono conteniendo uno o más átomos de oxígeno etérico; cada aparicion de Ztheta, que forma una estructura cíclica con un átomo de silicio, es independientemente dado por -OG5(OH)d-2O- donde G5 está independientemente seleccionado del grupo que consiste de un grupo hidrocarbileno de desde 2 hasta 15 átomos de carbono o un grupo ...

Mineral-filled elastomer compositions

Tire compositions and components containing free-flowing filler compositions

LOCKED MERCAPTOSSILAN CONNECTION AGENTS, PROCESS FOR PRODUCTION AND USE IN RUBBER COMPOSITIONS

COUPLING AGENT FOR ELASTOMER COMPOSITION FILLED WITH MINERALS

Silica-reinforced rubber compositions and articles made therefrom

Rubber compositions comprising at least one diene based polymer, a precipitated silica, a coupling agent package comprising a mercapto-functional alkylalkoxysilane and a blocked mercapto-functional alkylalkoxysilane, a deblocking agent, a vulcanizing package comprising at least one vulcanizing agent comprising sulfur and at least one accelerator, and a scorch modifier are provided herein.

Cyclic diol-derived blocked mercaptofunctional silane compositions

Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic-diol-derived blocked mercaptofunctional silanes, process for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof.

Blocked mercaptosilane coupling agents for filled rubbers

This invention describes novel blocked mercaptosilanes wherein the hydrogen atom of the mercaptan functionality has been substituted. The invention includes methods of preparation for the blocked mercaptosilicon compounds as well as their use in filled rubbers. The blocked mercaptosilanes described are unique in that they allow the mixing of fillers with organic polymers to proceed while remaining inert toward coupling to the polymer. The coupling reactions of these blocked mercaptosilicon compounds are triggered by addition of an appropriate deblocking agent.

Diol-derived organofunctional silane and compositions containing same

Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof.

Elastomeric composition containing mineral filler

A composition of matter is disclosed wherein the composition comprises:A) at least one latent mercaptosilane coupling agent; andB) at least one additional mercaptan.Preferably, the composition comprises:A) at least one sulfur vulcanizable rubber;B) at least one latent mercaptosilane coupling agent;C) at least one latent mercaptosilane activator;D) at least one filler; and, optionally,E) at least one additional mercaptosilane.A two pass process for preparing cured articles, such as tires and/or tire treads, which employs the composition is also disclosed.

rubber mixture for penumatics with improved vulcanizing agent

Silated core polysulfides, their preparation and use in filled elastomer compositions

This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.

Tire compositions and components containing free-flowing filler compositions

Free-flowing filler compositions containing silated cyclic core polysulfide coupling agents, and rubber and tire compositions containing the filler compositions.

Tire compositions and components containing silated core polysulfides

Sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These silanes can be carried on organic and inorganic fillers. The invention also relates to tire compositions and articles of manufacture, particularly tires, made from elastomer compositions.

Reifenzusammensetzungen und d komponenten mit silylierten polysulfiden mit cyclischem kern

Polysulfid-silane mit niedrigem schwefel-gehalt und ein verfahren zu deren herstellung

Silizium-haltige kupplungsreagenzien mit einem kohlenwasserstoffkern für gefüllte elastomerenmischungen

Silane functional amine compositions and their use in rubber

The present disclosures are directed to a composition comprising at least one silane functional amine; a method of preparing a silane functional amine; a rubber composition comprising at least one silane functional amine, at least one diene-based polymer, silica, at least one process aid, and a vulcanizing package comprising at least one vulcanizing agent comprising sulfur and at least one accelerator; and a process of preparing a rubber composition.

Reifenzusammensetzungen und -komponenten mit polysulfiden mit siliertem kern

Reifenzusammensetzungen und -komponenten mit frei fliessenden füllzusammensetzungen

Elastomere zusammensetzungen die anorganische füllstoffe enthalten

Verwendung einer zusammensetzung enthaltend ein mercaptosilansalz

Silica-reinforced rubber compositions and articles made therefrom

Rubber compositions comprising at least one diene based polymer, a precipitated silica, a coupling agent package comprising a mercapto-functional alkylalkoxysilane and a blocked mercapto-functional alkylalkoxysilane, a deblocking agent, a vulcanizing package comprising at least one vulcanizing agent comprising sulfur and at least one accelerator, and a scorch modifier are provided herein.

Blockierte merkaptosilane als kupplungsmittel für gefüllte kautschukzusammensetzung

Stabilized compositions of sulfur silanes with high mercapto content

The present invention relates to a composition comprising one or more sulfur-containing silanes, one or more mercapto-functional organic compounds and at least one acid selected from acids having a pKa, determined in aqueous solution at a temperature of 25°C, of less than 3.75, and Lewis acids, as a stabilizing agent with regard to the formation of hydrogen sulfide and disulfide by-products on storage and aging of such composition.

經交聯含多硫化物之環脂族化合物、其製法、含彼之經填充硫可硬化彈性體組合物、及由彼製成之物件

Crosslinked polysulfide-containing cycloaliphatic compound

A crosslinked polysulfide-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: [(C a H 2a -) m G 1 (-C b H 2b S x -) n-m and C c H 2c -G 2 - C d H 2d S y - ] p [R]q wherein G 1 is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO-] n [R 2 SiO-] r group of valence n; G 2 is a saturated, divalent cyclic aliphatic group of valence 2 containing from S to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO-] n [R 2 SiO-] r group of valence n;; each R independently is a selected from the group consisting of a hydrogen atom, monovalent hydrocarbon of up to 20 carbon atoms and a halogen atom; each occurrence of subscripts a, b, c, d, m, n, o, p, q, x and y independently is an integer wherein a is 2 to 6; b is 2 to 6; c is 1 to 6; d is 1 to 6; m is 1 or 2; n is 3 to 5; o is a positive integer, p is 0 or a positive integer; q is a positive integer; r is an integer of from 0 to 3; x is 1 to 10 and y is 1 to 10, with the provisos that, (i) at least one x is 2 to 10; (ii) the ratio of p to o is less than 1 to 5; and q is equal to the sum of unfilled valences of the (C a H 2a -) m G 1 (-C b H 2b S x -) n-m and C c H 2c -G 2 - C d H 2d S y - groups.

Verfahren zur passivierung der inneren oberfläche eines für koksbildung anfälligen reaktors durch ablagerung einer keramischen beschichtung, und verfahren zur pyrolyse von kohlenwasserstoffen

Composiciones de caucho reforzadas con silice y articulos fabricados a partir de las mismas.

En la presente se proporcionan composiciones de caucho que comprenden al menos un polímero basado en dieno, una sílice precipitada, un paquete de agentes de acoplamiento que comprende un alquilalcoxisilano mercapto-funcional y un alquilalcoxisilano mercapto-funcional bloqueado, un agente de desbloqueo, un paquete de vulcanización que comprende al menos un agente de vulcanización que comprende azufre y al menos un acelerador, y un modificador de quemadura.

Silica-reinforced rubber compositions and articles made therefrom

Rubber compositions comprising at least one diene based polymer, a precipitated silica, a coupling agent package comprising a mercapto-functional alkylalkoxysilane and a blocked mercapto-functional alkylalkoxysilane, a deblocking agent, a vulcanizing package comprising at least one vulcanizing agent comprising sulfur and at least one accelerator, and a scorch modifier are provided herein.

Moisture curable silylated polymer compositions containing reactive modifiers

A moisture-curable resin composition comprising (a) a moisture-curable polymer having at least one hydrolysable silyl group; (b) a reactive modifier; (c) a catalyst for catalyzing the reaction between the moisture-curable polymer (a) and reactive modifier (b) under curing conditions; and optionally, the composition can contain one or more conventional components, including pigments, fillers, curing catalysts, dyes, plasticizers, thickeners, coupling agents, extenders, volatile organic solvents, wetting agents, tackifiers, crosslinking agents, thermoplastic polymers, ultraviolet stabilizers, and combination thereof. The moisture-curable resin composition is useful in the production of adhesives including hot melt adhesives, primers, sealants and coatings.