Bulk polymerization using an organosiloxane anti-foam compound

Details Bulk polymerization using an organosiloxane anti-foam compound Bulk polymerization using an organosiloxane anti-foam compound

1975-01-31

1976-06-08

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 88, 526194, 526335, 526347, C08F23604, C08F27900, C08F 400

Patent

active

039622002

ABSTRACT:
The deleterious foam encountered during the bulk polymerization of diene monomers with each other or with vinyl aromatic compounds can be prevented by conducting the bulk polymerization in the presence of an organosiloxane anti-foam compound, which compound does not adversely affect either the coordination catalyst system or the properties of the polymer product.

REFERENCES:
patent: 2977349 (1961-03-01), Brockway
patent: 3062796 (1962-11-01), Greene et al.
patent: 3182050 (1962-10-01), Irvin
patent: 3227702 (1966-01-01), Small et al.
patent: 3560473 (1971-02-01), Bonfardeci et al.
patent: 3635852 (1972-01-01), Finestone et al.
patent: 3770710 (1973-11-01), Futamura et al.

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