Method of producing cross-linked, unsaturated polyesters

Details Method of producing cross-linked, unsaturated polyesters Method of producing cross-linked, unsaturated polyesters

1980-04-03

1981-07-07

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 457R, 260 4575B, 260DIG24, 521 54, 521 92, 521122, 521123, 521128, 521130, 521138, 521182, 521907, 525 12, 525 20, 525 49, 525437, C08J 914

Patent

active

042775701

ABSTRACT:
A method of producing cross-linked unsaturated polyesters from a solution of a linear unsaturated polyester in a cross-linking agent, wherein a reaction medium comprising said solution and containing free hydroxyl radicals is brought in contact, at room temperature and under atmospheric pressure, with at least one hydrolyzable chlorine-containing derivative in an amount from 0.1 to 10% by weight, based on said solution.

REFERENCES:
patent: 3227665 (1966-01-01), Fourcade et al.
patent: 3232893 (1966-12-01), Salgado et al.
patent: 3260688 (1966-07-01), Watanabe et al.
patent: 3350475 (1967-10-01), Watanabe et al.
patent: 3894984 (1975-07-01), Demmler et al.

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