Adhesives having adhesion promoters with sulphonamide groups

US9340713B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Dennis Bankmann · Dressendorf, DE
• Nina Jungholt · Issum, DE
• Stefan Tomke · Oberhausen, DE

Key dates

• Filing date: Dec 1, 2014
• Grant date: May 17, 2016
• Expiry date: Dec 16, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J175/04
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Adhesive for adhering synthetic and/or metal substrates, selected from liquid or thermoplastic adhesives which have urethane groups in the polymer chain, wherein the adhesive is selected from NCO-reactive adhesives, silane-reactive adhesives or thermoplastic polyurethanes (TPU) and include as a constituent 0.01 to 10 wt. % of at least one compound (H) having a molecular weight of less than 500 g/mol, which compound has at least one sulphonamide group having an SO2—NH—C(O) structure or at least one amidosulphonate group.