Patent ID: 6777027
Filing Date: 2004-08-17
Classification: C08J,C08L,C09D

Abstract:
A coating powder, comprising:one or more than one cationic curable resin chosen from aromatic epoxides polyglycidyl compounds having an aromatic structure, epoxy novolac resins, epoxy cresol resins, vinyl ethers, oxetanes oxolanes, cyclic acetals, thiiranes, thiotanes, and combinations thereof; one or more than one cationic photoinitiator; one or more than on free radical curable resin; one or more than one free radical photoinitiator; and optionally, a thermal cure catalyst, wherein the one or more than one cationic curable resin and the one or more than one free radical curable resin are each present in a ratio of 5:95 to 95:5 by weight and,further wherein, when the said one or more than one cationic curable resin is chosen from aromatic epoxides, polyglycidyl compounds having an aromatic structure, epoxy novolac resins, and epoxy cresol resins, the amount said aromatic epoxides ranges from 20 to 80 parts per hundred resin (phr).