Patent · US Expired

Structured reactive latex

US5849837A · kind A · utility

6Cited by
16References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1997
Grant dateDec 15, 1998
Priority date
Expiry dateOct 13, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F291/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A latex comprising a free radically polymerized product, said product comprising at least two ethylenically unsaturated monomers, at least one of said monomers having an isocyanate group which is sterically hindered or blocked and at least one other of said ethylenically unsaturated monomers being free of isocyanate functional groups, in an aqueous emulsion in the presence of a free-radical polymerization catalyst, in a manner such that the sterically hindered or blocked isocyanate groups distribute in the outer layer of the latex particle and the method of making such.

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