POLYVINYL CHLORIDE RESINS AND METHOD OF PREPARATION AND USE IN THE PRODUCTION OF WHITENED POLYVINYL CHLORIDE FOAM

摘要

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.