Method of producing alpha-methylstyrene resin
Abstract
Abstract A METHOD OF PRODUCING A SYNTHETIC GRAFT POLYMER RESIN AT AN IMPROVED RATE UNDER AQUEOUS EMULSION POLYMERIZATION CONDITIONS COMPRISING POLYMERIZING AN AQUEOUS DISPERSION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE AND A MIXTURE OF BUTADIENE AND METHACRYLIC ACID TO FORM A FIRST POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE AND POLY(BUTADIENE-METHACRYLIC ACID) AND POLYMERIZING AN AQUEOUS LATEX OF THE FIRST FORMED POLYMER TOGETHER WITH ALPHA-METHYLSTYRENE, AND ACRYLONITRILE UNDER AQUEOUS EMULSION POLYMERIZATION CONDITIONS TO FORM A SYNTHETIC RESIN COMPOSED OF A POLYBUTADIENE OR POLY(BUTADIENE-METHACRYLIC ACID) BACKBONE HAVING GRAFTED THEREON ALPHA-METHYLSTYRENE AND ACRYLONITRILE COPOLYMERS, SAID POLYMERIZATIONS BEING CONDUCTED IN THE PRESENCE OF A QUATERNARY AMMONIUM CHLORIDE CATIONIC EMULSIFIER AT A PH BETWEEN ABOUT 6 AND 8.
Inventors
- 👤 Carmen M Cusano
Bibliographic Details
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