Stabilized thermosettable ethylenically unsaturated epoxy ester

Details Stabilized thermosettable ethylenically unsaturated epoxy ester Stabilized thermosettable ethylenically unsaturated epoxy ester

1982-05-12

1983-11-01

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525524, 525531, C08L 6112, C08G28310, C08L 6310

Patent

active

044131054

ABSTRACT:
This invention is directed to thermosettable ethylenically unsaturated epoxy ester resin compositions having improved storage stability and to a method for improving the storage stability of such compositions by adding an anaerobically effective polymerization inhibitor to the resin composition. The resin composition comprises the reaction product of a bisphenol-base epoxy resin, a novolac-base epoxy resin, or a mixture thereof with an ethylenically unsaturated monocarboxylic acid dissolved in a polymerizable monomer containing a >C.dbd.CH.sub.2 group. The polymerization inhibitors of this invention are 4-chloro-2-nitrophenol, 2,4-dichloro-6-nitrophenol, or mixtures thereof.

REFERENCES:
patent: 3301743 (1967-01-01), Fekete et al.
patent: 3524901 (1970-08-01), Najvar
patent: 4253918 (1981-03-01), Traenckner et al.
patent: 4309473 (1982-01-01), Minamisawa et al.

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