Polyester resin composition

Details Polyester resin composition Polyester resin composition

1983-05-19

1985-08-20

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524133, 524417, 524145, 524147, 524152, 524153, 524394, 524400, 524425, 524445, 524451, 524452, 524456, 524513, 524539, 524414, 525411, 525437, 525438, C08L 6702, C08L 6704

Patent

active

045365318

ABSTRACT:
A polyester resin composition having excellent molding mobility and crystallizing property, comprises (A) at least one thermoplastic polyester resin selected from polyethylene terephthalate resins and polybutylene terephthalate resins; (B) a polycaprolactone having a number average molecular weight of from 200 to 2,000 in an amount of 0.1 to 30 parts by weight per 100 parts by weight of the polyester resin, in which polycaprolactone molecules, at least 50% of the terminal radicals thereof, are modified to be non-reactive, (C) 0.01 to 10 parts by weight of a crystal nucleating agent per 100 parts of the polyester resin, and optionally, (D) at least one additive selected from fillers and specific phosphorous compounds which may be in combination with a specific epoxy compound, the polyester resin composition being useful for producing a molded product having an excellent dimensional stability and mechanical strength.

REFERENCES:
patent: 3583935 (1971-06-01), Weissermel
patent: 3835089 (1974-09-01), Fox
patent: 3892821 (1975-07-01), Koleske
patent: 4212791 (1980-07-01), Avery
patent: 4222928 (1980-09-01), Kawamura
patent: 4223113 (1980-09-01), Bier

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