Aqueous emulsion polymerization of vinyl monomers using mixtures

Details Aqueous emulsion polymerization of vinyl monomers using mixtures Aqueous emulsion polymerization of vinyl monomers using mixtures

1978-12-19

1980-12-16

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296RB, 260 297R, 260 297VA, 526 64, 526 89, 526216, 526225, 526340, 526342, 526346, C08F 1208, C08L 2504

Patent

active

042396697

ABSTRACT:
An emulsion polymerization process comprises subjecting an intimate aqueous dispersion of monomer material comprising at least one vinyl aromatic monomer, optionally with unsaturated nitrile or conjugated diene comonomer to a rapid polymerization, preferably adiabatic, in the presence of a particular emulsifier system in a continuous flow agitated reaction carried out at 80.degree. C. to 100.degree. C. The thermoplastic product in latex form is continuously removed and is ideal for use in reinforcing rubber latices. An advantage is that a small reactor may be used to obtain a large throughput.

REFERENCES:
patent: 2631142 (1953-03-01), Williams
patent: 3651037 (1972-03-01), Snow
patent: 3651038 (1972-03-01), Snow

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