Emulsion process for polymer particles

Details Emulsion process for polymer particles Emulsion process for polymer particles

1979-05-09

1981-03-03

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526 80, 526 87, C08F 218

Patent

active

042540046

ABSTRACT:
An improved two-step process for producing bimodal emulsion polymer particles includes the steps of first providing uniform size polymer particles in the first stage by feeding monomers to the reaction mixture at a rate faster than the rate the monomers polymerize, and followed by a controlled second stage monomer polymerization by feeding monomers to the reaction mixture at a rate slower than the rate of polymerization of the monomers. The polymer particles are bimodal and are particularly useful in coatings, adhesives, and plastics.

REFERENCES:
patent: 3485808 (1969-12-01), Wiesner
patent: 3547857 (1970-12-01), Murray
patent: 3890261 (1975-06-01), Fitzgerald
patent: 3954698 (1976-05-01), Bradley
patent: 3962197 (1976-06-01), Khanna
patent: 4046730 (1977-09-01), Tortai

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