Patent · US Active

Aqueously dispersible polyurethane

US10538613B2 · kind B2 · utility

0Cited by

15References

15Claims

0Family size

Assignee

ALLNEX AUSTRIA GMBH · AU

Inventors

Anton Arzt · Tillmitsch Links der Laßnitz, AT
Markus Schafheutle · Hochheim, DE
Gerlinde Petritsch · Graz, AT
Julius Burkl · Graz, AT
Robert Harrer · Graz, AT
Ulrike Kuttler · Graz, AT

Key dates

Filing date	Oct 27, 2010
Grant date	Jan 21, 2020
Priority date	—
Expiry date	Mar 4, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D175/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to an aqueously dispersible polyurethane having a specific amount of substance of hydroxyl groups, —OH, of at least 0.6 mol/kg, and additionally satisfying at least two of the following conditions: a) a degree of branching measured as specific amount of substance of tertiary and/or quaternary aliphatic carbon atoms of from 0.01 mol/kg to 0.5 mol/kg, b) a specific amount of urea groups >N—CO—N< of from 0.8 mol/kg to 2 mol/kg, and c) a specific amount of substance of hydroxyl groups, —OH, of from 1 mol/kg to 4 mol/kg, wherein in each case the specific amount of substance is based on the mass of the polyurethane, a process for the preparation thereof, and a method of use thereof.

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