Patent · US Expired

Finely distributed polyvinyl chloride molding compositions capable of being sintered

US4137381A · kind A · utility

4Cited by

10References

8Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Helmut Kraus · Cologne, DE
Heinz-Joachim Muller · Burgkirchen an der Alz, DE
Hans Huber · Lohmar, DE
Kasimir Ruchlak

Key dates

Filing date	Oct 17, 1977
Grant date	Jan 30, 1979
Priority date	—
Expiry date	Oct 17, 1997

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Powdery molding compositions capable of being sintered made from polyvinyl chloride, which are especially suitable for the manufacture of separator plates for electric cells, and which substantially consist of a suspension polyvinyl chloride, from 0.003 to 0.45 weight %, relative to the molding composition, of free sulfonic acids selected from the group of alkylarylsulfonic acids and/or alkylsulfonic acids, and 1/9 to 7/3 of said 0.003 to 0.45 weight % of anions of said sulfonic acids, in the form of their salts with organic cations, selected from the group of quaternary ammonium cations.

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