Polyester block copolymer composition

Details Polyester block copolymer composition Polyester block copolymer composition

1984-10-15

1986-04-22

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525444, 525411, C08L 6702, C08L 6704

Patent

active

045843538

ABSTRACT:
An improved polyester block copolymer composition having a rubber-like elasticity, particularly having excellent moldability, impact resistance, heat resistance and water resistance, which comprises a polyester block copolymer produced from a crystalline aromatic polyester and a lactone in melt-admixture with a polytetramethylene terephthalate and optionally further with at least one epoxy compound.

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