Toughened polyester resins

Details Toughened polyester resins Toughened polyester resins

1982-04-22

1983-12-06

Nielsen, Earl A.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 39, 525 40, 525 42, 525 44, 525 49, C08L 6706

Patent

active

044194870

ABSTRACT:
Unsaturated polyester resins are rendered less brittle without significantly deteriorating other physical properties by reacting therewith 0.1 to 25 parts of a carboxyl terminated reactive liquid polymer, preferably poly(butadiene-acrylonitrile), per 100 parts of the polyester resin.

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patent: 2652342 (1953-09-01), Gleason
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patent: 3806490 (1974-04-01), Kajiura et al.
patent: 3892819 (1975-07-01), Najvar
patent: 3928491 (1975-12-01), Waters
patent: 4020036 (1977-04-01), South
patent: 4085018 (1978-04-01), Ariga et al.
patent: 4111770 (1978-09-01), Najvar
patent: 4288571 (1981-09-01), Comstock et al.
Mark et al., Encyclopedia of Polymer Science and Technology, Interscience, 1965, New York, vol. 2, pp. 701, 709, 732 and 733.

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