Stretched blow molding articles

Details Stretched blow molding articles Stretched blow molding articles

1995-09-26

1997-08-19

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

525540, 264532, 528 80, 528272, 428480, 428 357, B32B 2736

Patent

active

056586272

ABSTRACT:
Stretched blow molding articles are prepared by using an aliphatic polyester composition having a melting point of at least 70.degree. C. including: 97.5 to 75 parts by weight of an aliphatic polyester copolymer (A) having a Mn of at least 50,000 which is obtained by reacting 100 parts by weight of a polyester diol (a) with 0.1 to 5 parts by weight of diisocyanate, wherein the polyester diol (a) is obtained by conducting a polycondensation of 1 mol of an acid component consisting of 70 to 90 mol % of succinic acid and 10 to 30 mol % of adipic acid, with 1 to 1.1 mol of glycol; and 2.5 to 25 parts by weight of potybutylene succinate (B) with a linear structure, (C) with a branched long chain structure, or (D) with a branched longer chain structure, which have an Mn of at least 50,000 and are composed from some of succinic acid, 1,4-butanediol, polyfunctional comonomer and di- or poly-functional coupling agents.

REFERENCES:
patent: 5314969 (1994-05-01), Imaizzumi et al.
patent: 5324556 (1994-06-01), Hino et al.
patent: 5436056 (1995-07-01), Takiyama et al.
Database WPI, Week 9440, Derwent Publications Ltd., "Injection Blow Mould Product", AN 321756, for JP-A-6-246820, Sep. 6, 1994.

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