Mixtures of poly(alkylene carbonate) polyols and polymers of eth

Details Mixtures of poly(alkylene carbonate) polyols and polymers of eth Mixtures of poly(alkylene carbonate) polyols and polymers of eth

1988-12-02

1990-03-20

Pertilla, Theodore E.

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

Synthetic resins

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

25218211, 525123, 525185, 525187, 525461, C08L 7102

Patent

active

049102567

ABSTRACT:
Modified mixtures of poly(alkylene carbonate) polyols and polymers of certain unsaturated esters are prepared by (A) forming a mixture of a polymer of an ethylenically unsaturated ester and a polyalkylene carbonate polyol and (B) subjecting such mixture to conditions sufficient to induce a transesterification reaction between the polymer of an acrylic ester and a polyalkylene carbonate polyol.

REFERENCES:
patent: 3833404 (1974-09-01), Sperling et al.
patent: 4302553 (1981-11-01), Frisch et al.
patent: 4713399 (1987-12-01), Webb et al.

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