Patent · US Active

Aqueous polyurethane dispersion

US9034981B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

PERSTORP CHEMICALS AB · SE

Inventors

Göran Ziegler · Viken, SE
David James · Blackstock, CA
Kent Sorensen · Perstorp, SE

Key dates

Filing date	Mar 16, 2006
Grant date	May 19, 2015
Priority date	—
Expiry date	Sep 7, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D175/16
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least one isocyanate reactive group and at least one free radically polymerizable unsaturated group, and at least one compound comprising at least one isocyanate reactive group and at least one at least dispersing active group, and optionally at least one compound comprising at least two isocyanate reactive groups and having a molecular weight of less than 1000 g/mol.

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