Polyvinyl chloride resins and method of preparation and use in the production of whitened polyvinyl chloride foam
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United States of America Patent
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Aug 19, 2003
Grant Date -
N/A
app pub date -
Jan 21, 2003
filing date -
Sep 7, 2000
priority date (Note) -
Expired
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Abstract
Polyvinyl chloride resin compositions and methods of preparation and use thereof for increasing the degree of whiteness in finished polyvinyl chloride foam. The resin compositions contain sulfur compounds selected from sulfonic acid derivatives, sulfinic acid derivatives, and mercapto acetic acid sodium salt, and optionally contain water soluble salts and/or t-butyl hydroperoxide.
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