Monomeric N-piperidinylmelamines as stabilizers for chlorine-containing polymers

US5804622A · kind A · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Horst Zinke · Ernsthofen, DE
• Wolfgang Wehner · Ober-Ramstadt, DE
• Karl-Josef Kuhn · Herbstein, DE
• Valerio Borzatta · Bologna, IT
• Gerhard Rytz · Schwarzenburg, CH

Key dates

• Filing date: Mar 17, 1997
• Grant date: Sep 8, 1998
• Expiry date: Mar 17, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/34926
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A stabilizer combination, principally for PVC, is described, comprising A at least one zinc carboxylate B at least one compound of the formula ##STR1## in which R.sub.1 to R.sub.6 are as defined in claim 1.