| abstract |
PURPOSE: To produce a composition having remarkably improved cure shrinkage and giving a molded article having excellent surface smoothness, by compounding an unsaturated polyester, a specific ethylene-acrylic acid ester copolymer and styrene. n CONSTITUTION: (A) 20W55pts.(wt.) of an unsaturated polyester having a molecular weight of 2,000W5,000 (preferably 150W200 per double bond) is compounded with (B) 5W30pts. of an ethylene-acrylic acid ester copolymer having an ethylene content of 10W50wt%, preferably 15W30wt% and (C) 40W65pts. of styrene. n COPYRIGHT: (C)1986,JPO&Japio |