Process for preparing a pressure-sensitive self-adhesive composition wherein tackifiers in dispersed, melted or solid form are mixed with natural rubber latex

US6777490B2 · kind B2 · utility

Assignee

• tesa AG · DE

Inventors

• Bernhard Mussig · Seevetal, DE
• Zygmut Kozaczka · Hamburg, DE
• Dieter Zielske · Barmstedt, DE
• Jochen Stähr · Hannover, DE
• Ralf Hirsch · Quickborn, DE

Key dates

• Filing date: May 26, 1999
• Grant date: Aug 17, 2004
• Expiry date: May 26, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J7/383
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Process for preparing a pressure-sensitive adhesive composition, characterized in that tackifiers in dispersed, melted or solid form are mixed with natural rubber latex, the water content being not more than 45% by weight.