AQUEOUS COATING COMPOSITION

An aqueous coating composition having a long pot life, a process for preparing such coating composition, and a method of preparing coatings having good adhesion to a substrate. 1. An aqueous coating composition , comprising ,(a) an aqueous polymer dispersion comprising a polymer, wherein the polymer comprises, based on the weight of the polymer,from 2% to 8% by weight of structural units of an α, β-ethylenically unsaturated carboxylic acid monomer, andfrom 0.05% to 1.8% by weight of structural units of an ethylenically unsaturated silane functional monomer;(b) an aqueous solution of a zinc ammonia complex salt, comprising zinc ions; and(c) from 60% to 90% by weight of a filler, based on the total weight of the aqueous coating composition;wherein the weight ratio of the zinc ions to the polymer is in the range of 0.7% to 6%.2. The aqueous coating composition of claim 1 , wherein the ethylenically unsaturated silane functional monomer is selected from (meth)acryloxyethyltrimethoxysilanes claim 1 , (meth)acryloxypropyltrimethoxysilanes claim 1 , vinyltriethoxysilane claim 1 , vinyltrimethoxysilane claim 1 , derivatives thereof claim 1 , or combinations thereof.3. The aqueous coating composition of claim 1 , wherein the polymer comprises claim 1 , based on the weight of the polymer claim 1 , from 0.1% to 1% by weight of structural units of the ethylenically unsaturated silane functional monomer.4. The aqueous coating composition of claim 1 , wherein the weight ratio of the zinc ions to the polymer is in the range of from 1.5% to 3%.5. The aqueous coating composition of claim 1 , wherein the zinc ammonia complex salt is selected from zinc ammonium bicarbonate claim 1 , zinc ammonium nitrate claim 1 , zinc ammonium acetate claim 1 , or mixtures thereof.6. The aqueous coating composition of claim 1 , wherein the polymer comprises claim 1 , based on the weight of the polymer claim 1 , from 2% to 4% by weight of structural units of the α claim 1 , β-ethylenically unsaturated ...

AN AQUEOUS COATING COMPOSITION

An aqueous coating composition capable of providing coating films with balanced properties of low gloss, high clarity, and good water resistance and alcohol resistance, and a process of making and using such aqueous coating composition. 1. An aqueous coating composition comprising , based on the total weight of the coating composition ,(a) 1-40 wt % of a polymer binder,(b) 0.5-2 wt % of a first matting agent having a specific surface area larger than 100 square meters per gram according to ASTM D1993-03(2008) method,(c) 1-6 wt % of a second matting agent having a specific surface area smaller than 5 square meters per gram according to ASTM D1993-03(2008) method,(d) 0.1-1 wt % of an epoxy silane, and(e) 0.5-6 wt % of a wax.2. The aqueous coating composition of claim 1 , wherein the wax comprises paraffin wax claim 1 , polyethylene wax claim 1 , or mixtures thereof.3. The aqueous coating composition of claim 1 , wherein the wax has an average particle size of no more than 4.5 microns according to ASTM E2651-10 method.4. The aqueous coating composition of claim 1 , wherein the coating composition comprises 0.8-1.5 wt % of the first matting agent claim 1 , 1.5-5.5 wt % of the second matting agent claim 1 , 0.1-0.6 wt % of the epoxy silane claim 1 , and 0.8-5 wt % of the wax.5. The aqueous coating composition of claim 1 , wherein the first matting agent has a specific surface area of 150-350 square meters per gram.6. The aqueous coating composition of claim 1 , wherein the first matting agent is selected from a silica matting agent claim 1 , a polyurea matting agent claim 1 , or mixtures thereof.7. The aqueous coating composition of claim 1 , wherein the second matting agent has a specific surface area of 0.1-4 square meters per gram.8. The aqueous coating composition of claim 1 , wherein the second matting agent is a polyacrylate matting agent claim 1 , a polyethylene matting agent claim 1 , a polytetrafluoroethene matting agent claim 1 , or mixtures thereof.9. The ...

AQUEOUS COMPOSITION

The present invention provides a composition comprising i) an acrylic polymer dispersion and ii) a polyurethane/acrylic hybrid; wherein the acrylic polymer has a Tg from 25° C. to 80° C.; the polyurethane/acrylic hybrid has a Tg from −55° C. to 0° C.; and the minimum film formation temperature of the composition is lower than 10° C. The present invention further provides a coating comprising the composition. 1. A composition comprising i) an acrylic polymer dispersion and ii) a polyurethane/acrylic hybrid; wherein the acrylic polymer has a Tg from 25° C. to 80° C.; wherein the polyurethane/acrylic hybrid has a Tg from −55° C. to 0° C.; and wherein the composition has a minimum film formation temperature of lower than 10° C.2. The composition according to claim 1 , wherein acrylic monomers in the acrylic polymer and in the polyurethane/acrylic hybrid are different acrylic compounds.3. The composition according to claim 1 , wherein the acrylic polymer further comprises claim 1 , as polymerized units claim 1 , a diacetone acrylamide.4. The composition according to claim 1 , wherein the polyurethane/acrylic hybrid further comprises claim 1 , as polymerized units claim 1 , a diacetone acrylamide.5. The composition according to further comprising an adipic dihydrozide.6. The composition according to claim 1 , wherein the acrylic polymer has a Tg from 28° C. to 70° C. and the polyurethane/acrylic hybrid has a Tg from −45° C. to −5° C.7. A coating comprising a composition comprising i) an acrylic polymer dispersion and ii) a polyurethane/acrylic hybrid; wherein the acrylic polymer has a Tg from 25° C. to 80° C.; wherein the polyurethane/acrylic hybrid has a Tg from −55° C. to 0° C.; and wherein the composition has a minimum film formation temperature of lower than 10° C.8. The coating according to claim 7 , wherein acrylic monomers in the acrylic polymer and in the polyurethane/acrylic hybrid are different acrylic compounds.9. The coating according to claim 7 , wherein the ...

AQUEOUS DISPERSION AND COATING COMPOSITION COMPRISING THE SAME

An aqueous dispersion capable of providing a coating composition with balanced properties of early block resistance and good chemical resistance including water resistance, 48% alcohol resistance, and paraffin oil resistance; a process of preparing the same; and a coating composition comprising the same. 1. An aqueous dispersion comprising:(A) copolymer particles, wherein the copolymer comprises as polymerized units, based on the weight of the copolymer,(i) from 0.5 wt % to 2 wt % of an allyl ether phosphate functional monomer;(ii) from 0.1 wt % to 10 wt % of an ethylenically unsaturated hydroxy-functional monomer;(iii) from 0.1 wt % to 10 wt % of a self-crosslinking monomer;(iv) from 0.01 wt % to 1.5 wt % of an ethylenically unsaturated monomer having at least one alkoxysilane functionality;{'sub': 6', '22, '(v) from 28 wt % to 46 wt % of a (meth)acrylate C-Calkyl ester nonionic hydrophobic monomer; and'}(vi) ethylenically unsaturated nonionic monomers comprising at least one hydrophobic monomer and at least one hydrophilic monomer, excluding monomers (i), (ii), (iii), (iv) and (v); wherein the weight ratio of the hydrophobic monomer to the hydrophilic monomer is from 0.5 to 2.0;(B) from 0.3 wt % to 5 wt % of an alkyl ethoxylated phosphate or alkylphenol ethoxylated phosphate surfactant, based on the weight of the copolymer; and{'sub': '2', '(C) from 0 to 10 wt % of a compound containing at least two —NHor —NH— functionality, or a polyfunctional carboxylic hydrazide containing at least two hydrazide groups per molecule, based on the weight of the copolymer.'}2. The aqueous dispersion of claim 1 , wherein the copolymer comprises as polymerized units claim 1 , based on the weight of the copolymer claim 1 ,(i) from 0.5 wt % to 1.5 wt % of the allyl ether phosphate functional monomer;(ii) from 0.1 wt % to 5 wt % of the ethylenically unsaturated hydroxy-functional monomer;(iii) from 1 wt % to 5 wt % of the self-crosslinking agent;(iv) from 0.1 wt % to 1.3 wt % of the ...

CRACK SENSING TAG AND METHOD

Embodiments of the present disclosure provide a crack sensing tag including a dielectric substrate, a tag chip, an antenna and a metal patch. The tag chip and the antenna are respectively attached to an upper surface of the dielectric substrate, the tag chip is connected with the antenna, the metal patch is attached to a lower surface of the dielectric substrate, and the antenna is connected with the metal patch. The crack sensing tag may be removed without breaking its geometry after a monitoring cycle for the next surface crack monitoring, as the occurrence of cracks is monitored. The monitoring region is a coverage region of the crack sensing tag, which is complementary to a coupling tag, enabling the further enlarging of the crack sensing region to monitor the metal member to be tested in all dimensions. The crack sensing tag identifies crack depth variations up to millimeter accuracy. 1. A crack sensing tag comprising:a dielectric substrate, a tag chip, an antenna, and a metal patch, the tag chip and the antenna being respectively attached to an upper surface of the dielectric substrate, wherein the tag chip being connected to the antenna, wherein the metal patch being attached to a lower surface of the dielectric substrate, and the antenna being connected to the metal patch.2. The crack sensing tag of claim 1 , wherein the dielectric substrate and the metal patch are respectively attached to a surface of a metal member to be tested claim 1 , wherein the metal member to be tested being a flat metal member claim 1 , further wherein a crack generated on the surface of the metal member to be tested being perpendicular to a long side of the crack sensing tag.3. The crack sensing tag of further comprising a shorting pin through which the antenna is connected with the metal patch.4. The crack sensing tag of claim 1 , wherein the tag chip is spaced apart from the antenna claim 1 , and opposite pins of the tag chip are respectively connected to the antenna.5. The crack ...

AQUEOUS POLYMER COMPOSITION

An aqueous polymer composition comprising a multiethylenically unsaturated carboxylic acid monohydrazide and a keto-functionalized polymer, and an aqueous coating composition comprising such aqueous polymer composition and providing coatings with improved water resistance and alcohol resistance without compromising early block resistance. 1. An aqueous polymer composition , comprising:a polymer comprising structural units of a keto-containing (meth)acrylamide; and{'sub': 5', '36, 'a multiethylenically unsaturated aliphatic C-Ccarboxylic acid monohydrazide.'}3. The aqueous polymer composition of claim 1 , wherein the carboxylic acid monohydrazide is a monohydrazide of an unsaturated carboxylic acid selected from the group consisting of eleostearic acid claim 1 , α-linolenic acid claim 1 , linoleic acid claim 1 , and stearidonic acid.4. The aqueous polymer composition of claim 1 , wherein the carboxylic acid monohydrazide is present claim 1 , based on the weight of the polymer claim 1 , from 0.1% to 10% by weight.5. The aqueous polymer composition of claim 1 , wherein the polymer comprises claim 1 , based on the weight of the polymer claim 1 , from 0.1% to 20% by weight of structural units of the keto-containing (meth)acrylamide.6. The aqueous polymer composition of claim 1 , wherein the keto-containing (meth)acrylamide is selected from the group consisting of diacetone acrylamide claim 1 , diacetone methacrylamide claim 1 , and diacetone ethacrylamide.7. The aqueous polymer composition of claim 1 , wherein the polymer has a glass transition temperature of from −30° C. to 40° C.8. The aqueous polymer composition of claim 1 , wherein the polymer is a multistage polymer comprising:a polymer (i) comprising: structural units of a multiethylenically unsaturated monomer, structural units of a monoethylenically unsaturated ionic monomer, present in an amount of from 0 to 10% by weight of the polymer (i), and structural units of a monoethylenically unsaturated nonionic ...

Aqueous coating composition and process of making the same

An aqueous coating composition capable of providing coating films with balanced properties of high hardness, high clarity, good water resistance, and good alcohol resistance; and a process of making such aqueous coating composition.

AQUEOUS POLYMER DISPERSION AND PROCESS OF MAKING THE SAME

An aqueous polymer dispersion and an aqueous coating composition comprising the aqueous polymer dispersion; and the aqueous coating composition capable of providing coating films with excellent tannin blocking and satisfactory early block resistance and sandability. 1. An aqueous polymer dispersion , wherein the polymer comprises as polymerized units , based on the total dry weight of the polymer ,{'sub': 6', '18, '(i) from 5% to 50% by weight of a C-Calkyl ester of (meth)acrylic acid;'}(ii) from 15% to 45% by weight of a cycloalkyl (meth)acrylate; and(iii) from 1% to 10% by weight of an acid monomer selected from an α,β-ethylenically unsaturated carboxylic acid, a phosphorous-containing acid monomer, or mixtures thereof; and(iv) from 5% to 50% by weight of a vinyl aromatic monomer; and{'sub': 1', '4, '(v) from 0 to 55% by weight of a C-Calkyl ester of (meth)acrylic acid;'}wherein the polymer has a glass transition temperature less than 45° C.2. The aqueous polymer dispersion of claim 1 , wherein the polymer comprises:(A) a polymer A comprising, as polymerized units,{'sub': 6', '18, '(a1) a C-Calkyl ester of (meth)acrylic acid;'}(a2) a cycloalkyl (meth)acrylate; and(a3) an acid monomer selected from an α,β-ethylenically unsaturated carboxylic acid, a phosphorous-containing acid monomer, or mixtures thereof;(a4) optionally a vinyl aromatic monomer; and{'sub': 1', '4, '(a5) optionally a C-Calkyl ester of (meth)acrylic acid; and'}{'sub': 'g', '(B) a polymer B having a Tof at least 70° C. and comprising, as polymerized units, one or more monomers selected from a vinyl aromatic monomer, a cycloalkyl (meth)acrylate, or mixtures thereof; and'}wherein the weight ratio of the polymer A to the polymer B is from 50:50 to 95:5.3. The aqueous polymer dispersion of claim 2 , wherein the polymer B comprises as polymerized units claim 2 , based on the total dry weight of the polymer claim 2 , from 5% to 50% by weight of the vinyl aromatic monomer.4. The aqueous polymer dispersion ...

AQUEOUS COATING COMPOSITION AND PROCESS OF MAKING THE SAME

An aqueous coating composition capable of providing coating films with balanced properties of low gloss and high clarity. 1. An aqueous coating composition comprising , based on the total weight of the aqueous coating composition ,(a) an aqueous polymer dispersion present in an amount of from 15% to 33% by solids weight, wherein the polymer comprises at least 95% by solids weight of an acrylic emulsion copolymer based on the solids weight of the polymer;(b) anionic colloidal silica present in an amount of from 1% to 13% by solids weight;(c) a solvent present in an amount of from 0.5% to 9% by weight, wherein the solvent has at least one hydroxyl group and a dielectric constant at 25° C. of from 7 to 10.3;(d) a monoamine compound present in an amount of from 0.2% to 1.5% by weight, wherein the monoamine compound is selected from an alkyl monoamine, a beta-hydroxyl monoamine containing up to 2 hydroxyl groups, or mixtures thereof; and(e) water.2. The aqueous coating composition of claim 1 , wherein the monoamine compound is a primary monoamine.3. The aqueous coating composition of claim 1 , wherein the monoamine compound is selected from n-butylamine claim 1 , 2-amino-2-methyl-1-propanol claim 1 , or mixtures thereof.4. The aqueous coating composition of claim 1 , wherein the monoamine compound is present in an amount of from 0.5% to 1.2% by weight claim 1 , based on the total weight of the aqueous coating composition.5. The aqueous coating composition of claim 1 , wherein the anionic colloidal silica has a pH value >8.5.6. The aqueous coating composition of claim 1 , wherein silica particles in the anionic colloidal silica have a specific surface area of from 20 to 800 m/g.7. The aqueous coating composition of claim 1 , wherein the anionic colloidal silica is present in an amount of from 1.5% to 11% by solids weight claim 1 , based on the total weight of the aqueous coating composition.8. The aqueous coating composition of claim 1 , wherein the solvent is selected ...

CROSSLINKABLE COMPOSITION AND COATING MADE THEREFROM

A crosslinkable composition, a coating made therefrom, a process for producing a coating with reduced odor, and a method of reducing the odor of a coating. 1. A crosslinkable composition comprising:(a) a polyol, a polycarbamate, or mixtures thereof; having an average of 2 or more functional groups;(b) a polyaldehyde, an acetal or hemiacetal of the polyaldehyde, an aminoplast resin, or mixtures thereof;(c) an acid catalyst having a pKa of less than 6.0;(d) a hindered phenol having a molecular weight of 300 or more; and(e) optionally an organic solvent.2. The crosslinkable composition of claim 1 , wherein the molecular weight of the hindered phenol is 400 or more.3. The crosslinkable composition of claim 1 , wherein the hindered phenol is selected from 3-(3 claim 1 ,5-ditert-butyl-4-hydroxyphenyl)-N′-[3-(3 claim 1 ,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide; pentaerythritol tetrakis(3-(3 claim 1 ,5-di-tert-butyl-4-hydroxyphenyl)propionate); octadecyl-3-(3 claim 1 ,5-di-tert-butyl-4-hydroxyphenyl)-propionate; ethylenebis(oxyethylene)bis-3 claim 1 ,5-tert-butyl-4-hydroxy-m-tolyl)-propionate; 4-[[3 claim 1 ,5-bis[(3 claim 1 ,5-di-tert-butyl-4-hydroxyphenyl)methyl]-2 claim 1 ,4 claim 1 ,6-trimethylphenyl]methyl]-2 claim 1 ,6-di-tert-butylphenol; 4 claim 1 ,4-methylene-bis(3 claim 1 ,5-di-tert-butylphenol); or mixtures thereof.4. The crosslinkable composition of claim 1 , wherein the hindered phenol is present in an amount of from 0.2% to 20% by weight claim 1 , based on the total weight of the polyaldehyde claim 1 , the acetal or hemiacetal of the polyaldehyde claim 1 , and the aminoplast resin.5. The crosslinkable composition of claim 1 , wherein the polyol or polycarbamate is an acrylic claim 1 , styrene-acrylic claim 1 , styrene-butadiene claim 1 , saturated polyester claim 1 , urethane claim 1 , alkyd claim 1 , polyether or polycarbonate.6. The crosslinkable composition of claim 1 , wherein the polyaldehyde has from 2 to 20 carbon atoms.7. The ...

AQUEOUS POLYMER DISPERSION AND PROCESS OF MAKING THE SAME

An aqueous polymer dispersion, a process of preparing the aqueous polymer dispersion, and an aqueous coating composition comprising the aqueous polymer dispersion; and the aqueous coating composition capable of providing coating films with good properties including coffee resistance and early block resistance. 1. An aqueous dispersion of a multistage polymer , wherein the multistage polymer comprises:(A) a polymer A comprises as polymerized units, based on the weight of the polymer A,(a1) from 75% to 92% by weight of a hydrophilic (meth)acrylic acid alkyl ester;(a2) from 2.1% to 10% by weight of a carbonyl-containing functional monomer; and(a3) from 5% to 15% by weight of an acid monomer comprising from 4% to 14% by weight of an α, β-ethylenically unsaturated carboxylic acid and from 1% to 9% by weight of a phosphorous-containing acid monomer, andwherein the polymer A has a number average molecular weight of from 3,000 to 100,000; and(B) a polymer B comprises as polymerized units, based on the weight of the polymer B,(b1) from 81% to 99% by weight of a hydrophobic monomer selected from a vinyl aromatic monomer, a hydrophobic (meth)acrylic acid alkyl ester, or mixtures thereof;(b2) from 0.8% to 10% by weight of a carbonyl-containing functional monomer; and(b3) from 0 to 15% by weight of a hydrophilic monomer;wherein the polymer B has a glass transition temperature at least 40° C. lower than that of the polymer A, and the weight ratio of the polymer A to the polymer B is from 25:75 to 50:50.2. The aqueous dispersion of claim 1 , wherein the carbonyl-containing functional monomers (a2) and (b2) are each independently selected from diacetone acrylamide.3. The aqueous dispersion of claim 1 , further comprising from 0.5% to 10% by weight of a polyfunctional carboxylic hydrazide containing at least two hydrazide groups per molecule claim 1 , based on the total weight of the polymer A and polymer B.4. The aqueous dispersion of claim 3 , wherein the polyfunctional carboxylic ...

AQUEOUS COATING COMPOSITION AND PROCESS OF MAKING THE SAME

A low VOC aqueous coating composition capable of providing coating films with balanced properties of low gloss and good stain resistance. 1. An aqueous coating composition comprising , based on the total solids weight of the aqueous coating composition ,(a) an aqueous acrylic polymer dispersion present in an amount of from 10% to 90% by solids weight;(b) anionic colloidal silica present in an amount of from 0.1% to 4.3% by solids weight; {'br': None, 'sub': 1', '2', 'n, 'R—(OR)—OH'}, '(c) a solvent present in an amount of from 0.1% to 7% by weight, wherein the solvent has the following structure{'sub': 1', '2', '2', '2', '2', '3', '2', '2', '2', '2', '2', '3, 'wherein Ris a saturated hydrocarbon group having from 1 to 6 carbon atoms, Ris —CHCH— or —CHCH(CH)—; and n is an integer from 1 to 4 when Rhas the structure of —CHCH—, or n is an integer from 2 to 4 when Rhas the structure of —CHCH(CH)—;'}(d) ammonia present in an amount of from 0.55% to 4.2% by weight;(e) an amine compound present in an amount less than 1.2% by weight; and(f) titanium dioxide.2. The aqueous coating composition of claim 1 , being substantially free of silane coupling agents.3. The aqueous coating composition of claim 1 , wherein the anionic colloidal silica has a pH value >8.5.4. The aqueous coating composition of of claim 1 , wherein the anionic colloidal silica is present in an amount of from 1% to 3.5% by solids weight.5. The aqueous coating composition of of claim 1 , wherein silica particles in the anionic colloidal silica have a specific surface area of from 20 to 800 m/g.6. The aqueous coating composition of of claim 1 , wherein ammonia is present in an amount of from 1% to 3% by weight.7. The aqueous coating composition of of claim 1 , wherein the solvent is selected from ethylene glycol monobutyl ether claim 1 , ethylene glycol monohexyl ether claim 1 , diethylene glycol methyl ether claim 1 , diethylene glycol monobutyl ether claim 1 , dipropylene glycol n-butyl ether claim 1 , ...

AQUEOUS POLYMER DISPERSION AND PROCESS OF MAKING THE SAME

An aqueous dispersion of a multistage polymer and an aqueous coating composition comprising the aqueous dispersion and providing coating films with good scratch resistance and balanced properties. 2. The aqueous dispersion of claim 1 , wherein the carbonyl-containing functional monomers (a1) and (b 1) are each independently diacetone acrylamide.3. The aqueous dispersion of claim 1 , further comprising from 0.5% to 10% by weight of a polyfunctional carboxylic hydrazide containing at least two hydrazide groups per molecule claim 1 , based on the weight of the multistage polymer.4. The aqueous dispersion of claim 3 , wherein the polyfunctional carboxylic hydrazide is selected from the group consisting of adipic dihydrazide claim 3 , oxalic dihydrazide claim 3 , isophthalic dihydrazide claim 3 , and polyacrylic polyhydrazide.5. The aqueous dispersion of claim 1 , wherein the silicone monomer has the structure of formula (II) claim 1 , wherein X is O claim 1 , Ris a methyl group claim 1 , each Ris a methyl group claim 1 , and m claim 1 , n each independently represents an integer of from 20 to 30.6. The aqueous dispersion of claim 1 , wherein the acid monomer is selected from the group consisting of (meth)acrylic acid claim 1 , itacolic acid claim 1 , fumaric acid claim 1 , and phosphoethyl (meth)acrylate.7. The aqueous dispersion of claim 1 , wherein the hydrophilic (meth)acrylic acid alkyl ester is methyl (meth)acrylate claim 1 , ethyl (meth)acrylate claim 1 , or a mixture thereof.8. The aqueous dispersion of claim 1 , wherein the ethylenically unsaturated nonionic monomer is selected from the group consisting of styrene claim 1 , 2-ethylhexyl acrylate claim 1 , iso-butyl (meth)acrylate claim 1 , butyl (meth)acrylate claim 1 , and methyl (meth)acrylate.9. The aqueous dispersion of claim 1 , wherein the polymer A has a number average molecular weight of from 3 claim 1 ,000 to 30 claim 1 ,000.10. The aqueous dispersion of claim 1 , wherein the weight ratio of the polymer ...

Composite anti-restenosis drug for coronary drug-eluting stent and controlled release system thereof

A composite anti-restenosis drug for use with a coronary drug-eluting stent, and a controlled release system for the drug. The composite drug comprises arsenic trioxide and rapamycin, which may be used in combination to prevent in-stent restenosis and reduce the incidence of intravascular thrombosis. The controlled release system for the composite drug may control the release of the composite drug so as to achieve the therapeutic effect of controlling restenosis and preventing the formation of thromboses.

Aqueous coating composition and process of making the same.

Una composición acuosa de recubrimiento capaz de proporcionar películas de recubrimiento con propiedades equilibradas de alta dureza, alta claridad, buena resistencia al agua, y buena resistencia al alcohol, y un proceso de elaboración de la composición acuosa de recubrimiento.

Aqueous polymer dispersion and process of making the same

An aqueous dispersion of a multistage polymer and an aqueous coating composition comprising the aqueous dispersion and providing coating films with good scratch resistance and balanced properties.

Aqueous polymer dispersion and preparation method thereof

Aqueous coating composition

An aqueous coating composition capable of providing coating films with balanced properties of low gloss, high clarity, and good water resistance and alcohol resistance, and a process of making and using such aqueous coating composition.

Aqueous coating composition and process thereof

An aqueous coating composition capable of providing coating films with balanced properties of low gloss and high clarity.

Aqueous polymer dispersion and process of making the same

Aqueous coating composition and process of making the same

An aqueous coating composition capable of providing coating films with balanced properties of high hardness, high clarity, good water resistance, and good alcohol resistance; and a process of making such aqueous coating composition.

aqueous dispersion and coating composition comprising the same

uma dispersão aquosa capaz de proporcionar uma composição de revestimento com propriedades equilibradas de resistência de bloco precoce e boa resistência química, incluindo a resistência à água, resistência ao álcool 48%, e resistência ao óleo de parafina; um processo de preparação da mesma; e uma composição de revestimento que compreende a mesma.

Aqueous coating composition and process thereof.

La presente invención se refiere a una composición acuosa de revestimiento capaz de proporcionar películas de revestimiento con propiedades equilibradas de bajo brillo y alta claridad.

Aqueous polymer dispersion and process of making the same.

Una dispersión polimérica acuosa y una composición de revestimiento acuosa que comprenden la dispersión polimérica y acuosa; y la composición de revestimiento acuosa es capaz de proporcionar películas de revestimiento con excelente bloqueo de taninos y resistencia satisfactoria a los bloqueos y lijado anticipados.

Aqueous coating composition

Wood coating composition.

Una formulación de revestimiento para madera con repelencia mejorada al agua mientras mantiene el desempeño del revestimiento tal como claridad y dureza, el proceso para elaborar la misma.

Aqueous composition

The present invention provides a composition comprising i) an acrylic polymer dispersion and ii) a polyurethane/acrylic hybrid; wherein the acrylic polymer has a Tg from 25 °C to 80 °C; the polyurethane/acrylic hybrid has a Tg from -55 °C to 0 °C; and the minimum film formation temperature of the composition is lower than 10 °C. The present invention further provides a coating comprising the composition.

POLYMER DISPERSION, E, WOOD COATING COMPOSITION

dispersão de polímero, e, composição de revestimento de madeira. formulação de revestimento de madeira com repelência a água melhorada enquanto mantendo desempenho de revestimento tal como transparência e dureza, o processo de produzir da mesma. polymer dispersion, and, wood coating composition. wood coating formulation with improved water repellency while maintaining coating performance such as clarity and hardness, the process of producing the same.

Aqueous dispersion comprising multistage polymer and process of making same

Dispersion acuosa de particulas polimericas de multiples etapas y proceso para su preparacion.

Una dispersión acuosa de partículas poliméricas de múltiples etapas que comprende al menos dos polímeros, un proceso para preparar la dispersión acuosa de partículas poliméricas de múltiples etapas; y una composición de recubrimiento acuosa comprende tal dispersión acuosa de partículas poliméricas de múltiples etapas que proporciona recubrimientos con resistencia al calor, resistencia al alcohol, resistencia al álcali y resistencia al ácido acético.

Aqueous coating composition

Aqueous dispersion of multistage polymeric particles and process for preparing thereof

Crosslinkable composition and coating made therefrom

A crosslinkable composition, a coating made therefrom, a process for producing a coating with reduced odor, and a method of reducing the odor of a coating.

Dispersão aquosa de partículas poliméricas de múltiplos estágios, processo para preparação da dispersão aquosa de partículas poliméricas, e, composição aquosa de revestimento

DISPERSÃO AQUOSA, PROCESSO PARA PREPARAÇÃO DA DISPERSÃO AQUOSA, E, COMPOSIÇÃO AQUOSA DE REVESTIMENTO. Trata-se de uma dispersão aquosa de partículas poliméricas de múltiplos estágios que compreende pelo menos dois polímeros, um processo para preparação da dispersão aquosa de partículas poliméricas de múltiplos estágios; e uma composição aquosa de revestimento compreendendo tal dispersão aquosa de partículas poliméricas de múltiplos estágios que fornece revestimentos com resistência a quente, resistência a álcool, resistência a álcali e resistência ao ácido acético.

具备滑动阻尼的可调节左心耳封堵器

本实用新型涉及植入式医疗器械领域，具体指一种具备滑动阻尼的可调节左心耳封堵器，包括封堵件和固定件，封堵件包括编织丝形成的扁笼状塞体以及垂直设置于塞体顶部的活动杆，固定件包括连接套以及设于连接套上端的多根倒U型的固定条，活动杆的上端穿过连接套并一限位端头，限位端头的宽度大于连接套的内径，活动杆包括两股弹性丝束，弹性丝束含有多根弹性丝，连接套内固定设有一根分隔销，两股弹性丝束经由分隔销的两侧穿过连接套。其中封堵件和固定件的相对距离可调且调节过程存在阻尼，可改善两者间力的传导以及外力分布情况。

Wood coating composition

A wood coating formulation with improved water repellency while maintaining coating performance such as clarity and hardness, the process of making thereof.