Patent · US Expired

Liquid epoxy resin emulsions, method for the production and use thereof

US6949592B2 · kind B2 · utility

1Cited by

6References

24Claims

0Family size

Assignee

Dres. Fitznee, Muench & Kluin · DE

Inventors

Klaus-Wilhelm Lienert · Hamburg, DE
Gerold Schmidt · Hamburg, DE
Sascha Tödter-König · Hamburg, DE

Key dates

Filing date	Feb 6, 2002
Grant date	Sep 27, 2005
Priority date	—
Expiry date	Apr 13, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2363/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to novel liquid epoxy resin emulsions which contain the following components, dissolved and/or dispersed in water: (A) at least one binding agent selected from the group made of epoxy resins and modified epoxy resins, (B) at least one non ionic thickener and (C) at least one catalyst for hardening, produced by reacting at least one boron trifluoride complex with at least one compound containing at least one epoxy group. The invention also relates to a method for the production and use thereof as an impregnating varnish for electrotechnical components, particularly for electrical winding items.

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