Use of zinc salts of mercaptobenzimidazole and dithiophosphoric acid esters for the preparation of nitrile rubber/polyvinyl chloride mixtures

US4435532A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Thormer · Leverkusen, DE
• Hans H. Bertram · Leichlingen, DE
• Otto Benn · Bensberg, DE
• Helmut Hurnik · Leverkusen, DE

Key dates

• Filing date: Jun 28, 1982
• Grant date: Mar 6, 1984
• Expiry date: Jun 28, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L27/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Use of zinc salts of mercaptobenzimidazoles corresponding to the following general formula: ##STR1## wherein R represents hydrogen or a C.sub.1 -C.sub.4 alkyl group; and/or a zinc salt of a di-C.sub.1 -C.sub.9 -alkyldithiophosphate for the preparation of nitrile rubber/PVC mixtures.