Polyvinylbenzyl ethers of polyphenols, their polymers and copoly

Details Polyvinylbenzyl ethers of polyphenols, their polymers and copoly Polyvinylbenzyl ethers of polyphenols, their polymers and copoly

1976-09-07

1978-09-26

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526288, 526292, 526293, 526313, C08F 3600, C08F 1234, C08F 2804

Patent

active

041169360

ABSTRACT:
Vinylbenzyl ethers of polyphenolics such as bisphenol A and novolac resins comprise a new class of curable resins which have marked advantages over comparable types of resins. They have the greater ease of free-radical curing compared to epoxy resins. The cured resins have greater stability than polyester resins because of the lack of hydrolyzable groups, and they have high heat distortion temperatures. Additionally, the resins produce solutions of low viscosity with comonomers such as styrene.

REFERENCES:
patent: 2233080 (1941-02-01), Hester et al.
patent: 2522501 (1950-09-01), Brooks et al.
patent: 3663625 (1972-05-01), Neville

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