Process for preparing filterable polystyrene dispersion
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Aug 26, 1997
filing date -
Mar 6, 1995
priority date (Note) -
Expired
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Abstract
Particulate, filterable polystyrene formulations are obtained by anionic polymerization of styrene in nonaqueous dispersion if the polymerization is carried out in an aliphatic hydrocarbon as the dispersing medium and with a styrene/diene/styrene three-block copolymer, for example based on polybutadiene or polyisoprene, as the dispersant.
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