Vulcanizable rubber compositions containing salts of partial carboxylic acid esters

US5416167A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Thormer · Leverkusen, DE
• Thomas Scholl · New Haven, US
• Hans-Wilhelm Engels · Kerpen, DE

Key dates

• Filing date: May 3, 1994
• Grant date: May 16, 1995
• Expiry date: May 3, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/47
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Vulcanizable rubber compositions are disclosed which contain partial polycarboxylic acid esters or their salts. Vulcanizates obtained from the compositions are readily processible and are found to have reduced compression set and high tension values, in particular after ageing by heat.