Patent · US Expired

Process for the production of styrene polymers

US4376847A · kind A · utility

11Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1981
Grant dateMar 15, 1983
Priority date
Expiry dateApr 9, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F291/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for polymerizing a styrene monomer or a styrene monomer having a rubber-like polymer dissolved therein by using, as the catalyst, an organic peroxide of the formula ##STR1## where R.sub.1 and R.sub.2 are the same or different radicals selected from the group consisting of hydrogen, alkyl radicals of from 1 to 5 carbon atoms, and phenyl. Preferably, the polymerization is continuously carried out by bulk or solution polymerization while the reaction mixture present in the polymerization zone is kept in such a mixed state as to make it substantially homogeneous.

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