Patent · US Expired

Cathodic electrocoating binders

US4594136A · kind A · utility

4Cited by

5References

4Claims

0Family size

Assignee

BASF SE

Inventors

Eberhard Schupp · Schwetzingen, DE
Werner Loch · Erpolzheim, DE
Rolf Osterloh · Lechenich, DE
Klaas Ahlers · Munster, DE

Key dates

Filing date	Jul 17, 1985
Grant date	Jun 10, 1986
Priority date	—
Expiry date	Jul 17, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S524/901
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Binders useful for cathodic electrocoating are water-dilutable on addition of acid and comprise a mixture of PA0 (A) a polyadduct which carries basic nitrogen groups and contains groups of the formula (I) and/or (II) ##STR1## where R.sup.1 and R.sup.2 are hydrogen or methyl and R.sup.3 and R.sup.4 are alkyl or hydroxyalkyl or together are a 5- or 6-membered ring, and PA0 (B) a reaction product of a polyisocyanate and an olefinically unsaturated amine which carries a secondary amino group and a methacrylamide or methacrylate group.

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