Hot-curing rubber foams with high structural strength

US5994422A · kind A · utility

Assignee

• Henkel-Teroson GmbH · DE

Inventors

• Peter Born · Sandhausen, DE
• Frank Dittrich · Sinsheim, DE
• Michael Hirthammer · Heidelberg, DE

Key dates

• Filing date: Nov 18, 1997
• Grant date: Nov 30, 1999
• Expiry date: Nov 18, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2200/0622
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Hot-curing, foamable reactive compositions based on natural and/or synthetic rubbers containing olefinic double bonds, vulcanizing agents and blowing agents with a high percentage content of sulfur give foamed rubber compositions exhibiting high structural strength and high volume expansion. These compositions are suitable as multifunctional filling materials for hollow structures or hollow profiles in vehicle or machine construction. At one and the same time, they perform a sealing function, damp acoustic vibration and stiffen the hollow structures to a considerable extent.