Elastomer modified unsaturated polymers

Details Elastomer modified unsaturated polymers Elastomer modified unsaturated polymers

1982-11-09

1985-07-23

Lieberman, Allan M.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525111, 525112, 525438, 525524, 525531, 523427, 523500, 523527, C08K 340, C08L 6308, C08L 6310, C08L 6706

Patent

active

045309620

ABSTRACT:
An elastomer-modified unsaturated polymer comprises an unsaturated polyester or vinyl ester polymer modified by a low molecular weight elastomer. The elastomer has terminal groups provided by an epoxy resin which render it compatible with the unsaturated polymer. These elastomer-modified unsaturated polymers are useful for providing resin compositions which include a cross-linking agent for the unsaturated polymer. The elastomer is soluble in the resin composition, which is curable to provide an unsaturated resin matrix having particles of the modifying elastomer dispersed therein.

REFERENCES:
patent: 3674893 (1972-07-01), Nowak et al.
patent: 3904813 (1975-09-01), Groff
patent: 3928491 (1975-12-01), Waters
patent: 4077927 (1978-03-01), McPherson
patent: 4336344 (1982-06-01), Craigie
patent: 4350789 (1982-09-01), Rowe et al.
The curing of an epoxide adhesive modified by a functionally terminated elastomer is also described in an article by Paul et al., Polymer, (1977), vol. 18, pp. 945-950.

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