METHOD FOR PRODUCING NON-METAL SELF-HEATABLE MOLDS

A multi-layered composite mold structure () is provided. The multi-layered composite mold structure () comprises a multi-layered member including (a) at least one metal heating layer (); (b) at least one metal heat distribution layer (); (c) at least one laminate composite layer (); and (d) a surface layer (). A process for preparing the multi-layered composite mold structure is also provided. 1. A composite mold structure comprising a layered member including at least one metal heat distribution layer disposed under a surface layer of the composite mold structure.2. The composite mold structure of comprising a multi-layered member including (a) at least one heating layer; (b) at least one metal heat distribution layer; (c) at least one laminate composite layer; and (d) at least one surface layer.3. The composite mold structure of claim 2 , wherein the at least one heating layer is embedded between at least two laminate composite layers.4. The composite mold structure of claim 1 , wherein the at least one heating layer comprises heating wire claim 1 , heating tube or heating mat encapsulated with cured laminate composite.5. The composite mold structure of claim 2 , wherein the at least one metal heat distribution layer comprises a perforated metal plate claim 2 , sheet claim 2 , foil or combination thereof; or a non-perforated metal plate claim 2 , sheet claim 2 , foil or combination thereof.6. The composite mold structure of claim 5 , wherein metal plate claim 5 , sheet claim 5 , foil or combination thereof comprises steel claim 5 , cooper claim 5 , aluminum or metal alloys.7. The composite mold structure of claim 5 , wherein the perforated metal layer is a mesh type metal layer.8. The composite mold structure of claim 2 , wherein the at least one laminate composite layer comprises fiber or fabric materials impregnated and cured with thermosets or thermoplastic materials.9. The composite mold structure of claim 2 , wherein the surface layer comprises fabric ...

A CURABLE EPOXY RESIN COMPOSITION

A curable epoxy resin composition, upon curing, has a clarity value of at least 30% and provides improved impact strength while maintaining glass transition temperature; and a process of preparing the curable epoxy resin composition. 2. The curable epoxy resin composition of claim 1 , wherein the curing agent is selected from an anhydride compound claim 1 , a polyoxyalkylene polyamine claim 1 , a cycloaliphatic polyamine claim 1 , or mixtures thereof.3. The curable epoxy resin composition of claim 1 , wherein the curing agent is selected from a polyoxypropylenediamine claim 1 , isophorondiamine; 1 claim 1 ,3-cyclohexanebis(methylamine); 4 claim 1 ,4′-methylenebis (cyclohexylamine); 1 claim 1 ,2-diaminocyclohexane; 4 claim 1 ,4′-dianinodicyclohexylmethane; or mixtures thereof.4. The curable epoxy resin composition of claim 1 , wherein the curing agent is selected from nadic maleic anhydride; methyltetrahydrophthalic anhydride; methylhexahydrophthalic anhydride; methyl-(endo)-5-norbornene-2 claim 1 ,3-dicarboxylic anhydride; hexahydrophthalic anhydride; tetrahydrophthalic anhydride; pyromellitic dianhydride; ciscyclopentanetetracarboxylic acid dianhydride; hemimellitic anhydride; trimellitic anhydride; naphthalene-1 claim 1 ,8-dicarboxylic acid anhydride; phthalic anhydride; dichloromaleic anhydride; dodecenylsuccinic anhydride; glutaric anhydride; maleic anhydride; succinic anhydride; or mixtures thereof.5. The curable epoxy resin composition of claim 1 , further comprising a curing catalyst.6. The curable epoxy resin composition of claim 5 , wherein the curing catalyst is present in an amount of from 0.1 to 1 wt % claim 5 , based on the total weight of the epoxy resin composition.7. The curable epoxy resin composition of claim 1 , wherein the at least one anhydride-reactive group of the amphiphilic block copolymer comprises at least one hydroxyl functional group.8. The curable epoxy resin composition of claim 1 , wherein the epoxy resin miscible block segment ...

Method for producing non-metal self-heatable molds

Method for producing non-metal self-heatable molds

A multi-layered composite mold structure (10) is provided. The multi-layered composite mold structure (10) comprises a multi-layered member including (a) at least one metal heating layer (11); (b) at least one metal heat distribution layer (13); (c) at least one laminate composite layer (12); and (d) a surface layer (14). A process for preparing the multi-layered composite mold structure is also provided.

A curable epoxy resin composition