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Method of improving heat stability of emulsion polymerized polyvinyl chloride
   
Document Number
US Patent 3922258
Issued Date
November 25, 1975
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Abstract
An improvement in redox-initiated emulsion polymerization of vinyl chloride comprising post-heating of the product emulsion in the presence of vinyl chloride monomer is disclosed, the post-heating providing under specified conditions improved heat stability of product resin.
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Number of Claims:
4
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Published
November 25, 1975
Application Number
05/518,660
Filed
October 29, 1974
US Classification
526/234   526/230 526/344.2
Int'l Classification
C08F   259/04   (20060101)   C08F   259/00   (20060101)  
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USPTO Field of Search
260/92.8W   260/92.8A   450/631.5   525/3001972  
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