Silane primer for improving the adhesion of adhesive tapes on hydrophilic surfaces, especially glass surfaces

US9080083B2 · kind B2 · utility

Assignee

• tesa SE · DE

Inventors

• Uwe Schümann · Pinneberg, DE
• Sebastian Dietze · Hamburg, DE
• Kai Ellringmann · Hamburg, DE
• Marco Kupsky · Quickborn, DE
• Thilo Dollase · Hamburg, DE

Key dates

• Filing date: May 6, 2013
• Grant date: Jul 14, 2015
• Expiry date: May 6, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J139/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a primer, comprising a mixture dissolved or dispersed in one or more solvents, the mixture composed of Such primer provides reliable and excellent adhesion between pressure-sensitive adhesive tapes and hydrophilic surfaces, in particular glass. The adhesion-promoting effect is retained even when the primer additionally contains functional fillers.