Patent · US Expired

Synthesis method for block polymers by controlled radical polymerization from dithioester compounds

US6545098B1 · kind B1 · utility

22Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2000
Grant dateApr 8, 2003
Priority date
Expiry dateAug 17, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2438/03
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention concerns a method for preparing, by radical polymerisation, block polymers of general formula (1), which consists in contacting: an ethylenically unsaturated monomer of formula CYY′(═CW—CW′)a═CH2: and a precursor compound of general formula (II): a radical polymerization initiator.

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