Patent ID: 9403951
Filing Date: 2016-08-02
CPC Classification: C08G,C09D

Claim Text:
1. A flame-retardant polyester having a structure of Formula I: wherein each A′ is, independently, a residue of a diol, each B′ and each B″ may be identical or different and are, independently, a residue of a saturated or unsaturated anhydride or acid, C′ and C″ may be identical or different and are, independently, hydrogen, a residue of an epoxy acrylate compound or a residue of an epoxy silicon-containing compound, with the proviso that C′ and C″ are not both hydrogen, wherein a is an integer of from 1 to 30, b is an integer of from 1 to 30, c is an integer of from 1 to 15, and wherein the flame-retardant polyester has an acid value of from 20 to 40, wherein the epoxy silicon-containing compound is or a combination thereof, wherein R 5 and R 6 are, independently, a C1 to C5 linear or branched alkyl group, a C1 to C15 linear or branched alkoxy group or R 7 is a C1 to C15 linear or branched alkyl group, a C1 to C15 linear or branched alkoxy group or and R 8 is a C1 to C15 linear or branched alkylene group, a polyether group or an arylene group.