Polymeric composition obtained by suspended emulsion polymerization
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United States of America Patent
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Nov 26, 1996
Issued Date -
N/A
app pub date -
Feb 22, 1994
filing date -
Mar 17, 1987
priority date (Note) -
Expired
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Abstract
Vinyl polymers, e.g., the homo- and copolyvinyl chlorides, are prepared in one or more stages, to a degree of conversion of at least 50%, by suspended emulsion polymerizing at least one vinyl monomer, e.g., vinyl chloride, said at least one monomer having dispersed therein finely divided droplets of an aqueous solution of at least one component of a polymerization initiating system, and wherein the amount of water in said aqueous solution constitutes at least 19%, and preferably at least 20% by weight of the at least one monomer.
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