Thermoplastic molding compositions
AssigneeGeneral Electric Company
InventorStuart C. Cohen
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Abstract
A thermoplastic molding composition having improved mold release properties is provided, the composition comprising a thermoplastic resin selected from the group consisting of a high molecular weight linear polyester and a high molecular weight block copolyester, from about 0.1 to 4.5% by weight, based on the total composition, of a polyolefin or olefin-based copolymer, and, optionally, from about 0.02 to 0.5% by weight, based on the total composition, of talc.
Claims5
An improved molding composition having improved mold releasability, said composition consisting essentially of:
- (a) poly(1,4-butylene terephthalate);
- (b) from about 0.25 to 4.5 percent by weight, based on the total composition, of polyethylene or an olefin-based copolymer selected from propylene-ethylene copolymer, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer or mixtures thereof;
- and
- (c) from about 0.02 to about 0.5% by weight, based on the total composition, of talc.
An improved thermoplastic molding composition having improved mold releasability, said composition consisting essentially of:
- (a) poly(1,4-butylene terephthalate),
- (b) from about 0.1 to 4.5 percent by weight, based on the total composition, of polyethylene or an olefin-based copolymer selected from propylene-ethylene copolymer, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer or mixtures thereof;
- and
- (c) from about 0.02 to about 0.5% by weight, based on the total composition, of talc.
Dependencies are inferred from the claim text.