Adhesive materials having a high refractive index based on acrylate block copolymers

US7758933B2 · kind B2 · utility

Assignee

• teas SE · DE

Inventors

• Thilo Dollase · Hamburg, DE
• Marc Husemann · Hamburg, DE

Key dates

• Filing date: Jun 24, 2003
• Grant date: Jul 20, 2010
• Expiry date: May 21, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31935
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A pressure-sensitive adhesive based on at least 50% of one or more block copolymers, at least one block copolymer being composed at least in part on the basis of (meth)acrylic acid derivatives, the at least one block copolymer comprising at least the unit P(A)-P(B)-P(A), comprising at least one polymer block P(B) and at least two polymer blocks P(A), where