Patent · US Expired

Polymeric reaction product that becomes water-thinnable on protonation with an acid

US5051160A · kind A · utility

3Cited by

6References

8Claims

0Family size

Assignee

Basf Lacke & Farben Aktiengesellschaft · DE

Inventors

Thomas Schwerzel · Meckenheim, DE
Hans Schupp · Worms, DE

Key dates

Filing date	Feb 8, 1990
Grant date	Sep 24, 1991
Priority date	—
Expiry date	Feb 8, 2010

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D163/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Polymeric reaction products which become water-thinnable on protonation with an acid and are suitable for use in the form of aqueous dispersions as additives in electrocoating baths are formed from PA1 A. a butadiene/acrylonitrile copolymer which contains primary and/or secondary amino groups and PA1 B. an epoxy compound having an average molecular weight of from 140 to 10,000 and containing on average from 1.5 to 3 epoxy groups per molecule, the amount of (A) being such that 1.05 moles or more of primary and/or secondary amino groups of component (A) are present per mole of epoxy groups of component (B).

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