Thickened vinyl ester resin compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525404, 525438, 525531, 525532, 525922, C08L 6300

Patent

active

043473431

ABSTRACT:
Curable vinyl ester resin compositions, that can be B-staged with magnesium oxide, comprise a vinyl ester resin having no free carboxyl groups, a reactive diluent, and a thickening agent which is the reaction product of a polyethylene glycol having a molecular weight greater than 2,000 and an anhydride of a polycarboxylic acid with the thickening agent having more than two carboxyl groups per molecule.

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patent: 3651649 (1972-03-01), Najvar
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patent: 3808114 (1974-04-01), Tsuschihara
patent: 3836600 (1974-09-01), Brewbaker
patent: 3882187 (1975-05-01), Takiyama
patent: 3947422 (1976-03-01), Tatum
patent: 4085018 (1978-04-01), Ariga

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