Patent · US Expired

Dialky alkoxy phenyl sulfonium salt cationic initiators

US5274148A · kind A · utility

4Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 1992
Grant dateDec 28, 1993
Priority date
Expiry dateAug 10, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/902
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to C.sub.14 to C.sub.20 alkoxy monophenyl sulfonium salt initiators having the formula ##STR1## wherein R is C.sub.14 to C.sub.20 alkyl; R.sub.1 and R.sub.2 are each independently C.sub.4 to C.sub.20 alkyl and X.sup.- is a non-basic, nonnucleophilic anion, which initiators are employed in the polymerization of mono- and poly- functional glycidyl ethers, alpha-olefin oxides and vinyl monomers or oligomers.

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