Method for elastifying and extending polymers with PVC-homo-and copolymers or with EVA-copolymers in gel form

US6593405B1 · kind B1 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Michael Schaetzle · Walldorf, DE
• Gabriele Bride · Schallstadt, DE
• Gisbert Kern · Mannheim, DE
• Wolfgang Lepka · Heidelberg, DE

Key dates

• Filing date: Jul 25, 2000
• Grant date: Jul 15, 2003
• Expiry date: Jul 25, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2200/0687
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Methods for elastifying and extending polymers with EVA copolymers, PVC homopolymers or PVC copolymers in gel form are described. The elastified and extended polymers are useful as sealing materials, adhesives and sealants.