Polyester resin compositions exhibiting long-term temperature re

Details Polyester resin compositions exhibiting long-term temperature re Polyester resin compositions exhibiting long-term temperature re

1991-01-31

1992-02-04

Hoke, Veronica P. 6

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524219, 524223, 524225, C08K 537, C08K 520

Patent

active

050861042

ABSTRACT:
Polyester resin compositions include a crystalline thermoplastic polyester resin (such as polybutylene terephthalate), a polyester elastomer (such as a copolymer including recurring hard and soft segments) and between 0.005 to 10 parts by weight, based on 100 parts of the crystalline and elastomeric resins, of an amide compound having the formula (I) ##STR1## wherein R is an organic group such as an aromatic ring, X is an alkylene of C.sub.2 to C.sub.10 such as ethylene and propylene, Y is --COOH, --OH, --SH or --NH.sub.2 and n is 2 to 4, inclusive.

REFERENCES:
patent: 3312620 (1967-04-01), Low et al.
patent: 3470131 (1969-09-01), Baitinger
patent: 3856748 (1974-12-01), Dexter et al.
patent: 3896078 (1975-07-01), Hoeschele
patent: 3907926 (1975-09-01), Brown et al.
patent: 4119789 (1978-10-01), Braus et al.
patent: 4661546 (1987-04-01), Abu-Isa et al.

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