Self-adhesive compound and use thereof in an adhesive tape

US10717906B2 · kind B2 · utility

Assignee

• tesa SE · DE

Inventors

• Daniel SCHMITZ-STAPELA · Hamburg, DE
• Thorsten Krawinkel · Hamburg, DE
• Thilo Dollase · Hamburg, DE
• Anika PETERSEN · Heidmühlen, DE
• Tanja Altenwegner · Hamburg, DE
• Andreas Westphal · Hamburg, DE

Key dates

• Filing date: Oct 26, 2018
• Grant date: Jul 21, 2020
• Expiry date: Dec 12, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J2453/003
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A single- or double-sidedly bonding adhesive-sheet strip having a self-adhesive composition comprising a) at least one elastomer, at least one type of polybutadiene block copolymer being used as an elastomer, b) at least one partially hydrogenated hydrocarbon resin having a softening temperature of at least 90° C., c) at least one additional hydrocarbon resin, a terpene phenol resin and/or a colophonium resin having a softening temperature of at least 90° C., d) an optional soft resin, and e) additional additives as applicable.