Novel acetylene end-capped polyesters

Details Novel acetylene end-capped polyesters Novel acetylene end-capped polyesters

1979-09-13

1981-08-11

Phynes, Lucille M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 11, 560 18, 560 52, 560 73, 560 83, C07C 6976

Patent

active

042835518

ABSTRACT:
A group of heat curable resins are provided which have good physical properties, which properties are retained to a surprising degree after prolonged exposure to temperatures as high as 300.degree. C. The products are acetylene end-capped polyesters prepared by reacting a hydroxyphenylacetylene with a diacid chloride of an aromatic dibasic acid such as 4,4'-benzophenone dicarboxylic acid dichloride.

REFERENCES:
patent: 2979538 (1961-04-01), Wotiz
patent: 3306928 (1967-02-01), Lux et al.
patent: 3872154 (1975-03-01), Hirzy
patent: 3996380 (1976-12-01), Henrick
patent: 4168360 (1979-09-01), D'Alelio
patent: 4168366 (1979-09-01), D'Alelio

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