Patent · US Expired

Process for producing aqueous suspension containing organic azo compound as polymerization initiator

US4500649A · kind A · utility

6Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1982
Grant dateFeb 19, 1985
Priority date
Expiry dateOct 12, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2/18
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A stable aqueous suspension containing an organic azo compound as polymerization initiator in fine particles, containing substantially no organic solvent and containing no foam which damages dispersing stability of the aqueous suspension and retards polymerization rate can be formed by dissolving an organic azo compound in an organic solvent, emulsifying the resulting solution by adding water and a dispersing agent A and a dispersing agent B thereto with stirring, and removing the organic solvent from the emulsified liquid preferably under reduced pressure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.