Polymerization of monomers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526321, 526328, 526330, 526343, 526345, C08F 202

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active

040312976

ABSTRACT:
A constant composition copolymer is automatically made by means of a self-regulating batch process by maintaining the polymerization system at a constant volume throughout the reaction by adding polymerizable monomer in such a manner as to maintain both the unpolymerized monomer in the polymerization mixture at the original composition and the polymerization mixture at the original volume. The process is applicable to any polymerization reaction where a polymer is formed from two or more monomers and where a reduction in the volume of reaction mixture occurs during polymerization.

REFERENCES:
patent: 3051677 (1962-08-01), Rexford
patent: 3230203 (1966-01-01), Kuhne
patent: 3231534 (1966-01-01), Blades et al.
patent: 3251810 (1966-05-01), Buning
Chemistry of Acrylonitrile, 2nd Ed., 1959, pp. 32-36.

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