Patent · US Expired

Stabilizer combination for vinyl chloride polymers containing partial esters of pentaerythritol with fatty acids

US4220570A · kind A · utility

9Cited by

20References

11Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

Frido Loffelholz · Bremerhaven, DE
Peter Wedl · Loxstedt, DE
Kurt Worschech · Loxstedt, DE

Key dates

Filing date	Sep 19, 1977
Grant date	Sep 2, 1980
Priority date	—
Expiry date	Sep 19, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L91/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A stabilizer composition for molding compositions based on polyvinyl chloride and/or mixed polymers containing predominantly vinyl chloride comprising PA1 (a) a partial ester of pentaerythritol with a fatty acid, PA1 (b) calcium and/or zinc stearate, and/or the corresponding palmitate, PA1 (c) a waxy hydrocarbon and/or a fatty acid, and PA1 (d) an antioxidant.

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