Thermoplastic polyester copolymer

Details Thermoplastic polyester copolymer Thermoplastic polyester copolymer

1982-04-06

1983-08-02

Phynes, Lucille M.

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

Synthetic resins

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

525437, 528300, 528301, 5283081, 5283086, 5283087, C08F28300, C08F28302, C08G 6376, C08L 6700

Patent

active

043967469

ABSTRACT:
A thermoplastic polyester copolymer comprises units derived from (A) terephthalic acid, a diol mixture of (B-1) 60 to 95 mol % of 2-methyl-1,3-propanediol and 5 to 40 mol % of 1,4-cyclohexanedimethanol, or (B-2) 5 to 95 mol % of 2-methyl-1,3-propanediol and 5 to 95 mol % of tetramethyleneglycol, and (C) 5 to 50 wt. %, based on the copolymer, of a polyalkylene ether glycol phthalate having a number-average molecular weight of 500 to 3000 in the polyalkylene ether glycol block thereof.

REFERENCES:
patent: 3883901 (1975-05-01), Coquard et al.
patent: 4025492 (1977-05-01), Binsack et al.
patent: 4081494 (1978-03-01), Sakai et al.

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