Water-soluble partially saponified copolymers based on vinyl acetate and methyl acrylate and their use for delaying the polymerization of styrene
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United States of America Patent
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Jun 5, 1984
Grant Date -
N/A
app pub date -
Apr 26, 1982
filing date -
May 2, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
By emulsion polymerization of vinyl acetate, methylacrylate, acrylic acid, monoolefinically unsaturated sulfoalkyl esters or amides and vinyl sulfonate and partial saponification of the resultant copolymer emulsion, an aqueous solution of a copolymer is obtained which greatly delays the polymerization of styrene in aqueous media.
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