Patent ID: 8765879

Claim:
A modified recycled polyester resin, the resin containing: a recycled PET resin having a carboxyl group; and a modifying agent having an epoxy group and an oxazoline group in a same or different molecule, ends of the carboxyl group of the recycled PET resin being modified with the modifying agent alone, wherein the modifying agent having an epoxy group has an epoxy group introduced into a polymer having a polyolefin or polystyrene as its skeletal resin, and the modifying agent having an oxazoline group has an oxazoline group introduced into a polymer having a polyolefin or polystyrene as its skeletal resin, and wherein a mole ratio between the oxazoline group and the epoxy group is within a range of 100:90 to 100:0.1, and an additive amount of the modifying agent is 0.001 to 15 parts by mass with respect to 100 parts by mass of the recycled PET resin.