Novel acetylene end-capped esterimides

Details Novel acetylene end-capped esterimides Novel acetylene end-capped esterimides

1979-09-06

1981-12-01

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260326S, 260326N, 560 76, 560 37, 560 86, 528172, 528188, 528353, C08G 6944

Patent

active

043037755

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 esterimides having the structure: ##STR1## where R is an arylene group or a group having the structure: ##STR2## where X is ##STR3## R.sub.1 is an alkyl group containing 1 or 2 carbon atoms and R.sub.2 is hydrogen or an alkyl group containing 1 or 2 carbon atoms; and where R' is a phenylene group.

REFERENCES:
patent: 3879349 (1975-04-01), Bilow et al.
patent: 4058505 (1977-11-01), D'Alelio
patent: 4060515 (1977-11-01), D'Alelio
patent: 4108836 (1978-08-01), Bilow
patent: 4168360 (1979-09-01), D'Alelio

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