Soapless emulsion polymerization of methyl methacrylate in water in the presence of barium sulfate

Mikio Konno, Koichi Shimizu, Kunio Arai, Shozaburo Saito

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

To investigate the kinetics of soapless emulsion polymerization in the presence of a solid phase, polymerization experiments were carried out for the methyl methacrylateK2S2O8H2O system using barium sulfate powder, which is assumed to be chemically inert. Reaction conditions were varied with respect to the ranges of initiator concentration, monomer concentration, agitation speed, and quantity of powder. Experimental results showed that the polymerization rate is greatly affected by the addition of powder. It is concluded that the physical circumstances of the polymerization are changed considerably with the addition of the powder. A conceptual model for the mechanism of the polymerization was proposed to explain the effects of the experimental variables.

Original languageEnglish
Pages (from-to)223-230
Number of pages8
JournalJournal of Polymer Science Part A: Polymer Chemistry
Volume25
Issue number1
DOIs
Publication statusPublished - 1987 Jan

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

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