NCO-free compounds and usage thereof in a curable composition

US10577463B2 · kind B2 · utility

Assignees

• Henkel AG & Co. KGaA · DE
• HENKEL IP & HOLDING GMBH · DE

Inventors

• Ligang Zhao · Goldkronach, DE
• Roberto Pela · Düsseldorf, DE
• Weifeng Dai · Tarragona, ES
• Ciaran B. McArdle · Dublin, IE
• Eva Maria Alcazar · Tarragona, ES
• Maria Merce Bertomeu · Tarragona, ES
• Nils Bongartz · Haan, DE
• Jun Liu · 安丰镇, CN

Key dates

• Filing date: Mar 29, 2017
• Grant date: Mar 3, 2020
• Expiry date: Dec 9, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J175/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a compound comprising at least two —(NH—C═O)— groups and at least two —(C═O)—C≡C—R1 groups, wherein R1 represents hydrogen or a group having from 1 to 12 carbon atoms; a curable composition comprising a first unit comprising at least two —(NH—C═O)— groups, a second unit comprising at least two —(C═O)—C≡C—R1 groups, and a catalyst; and the use of the composition as an adhesive, coating, casting composition or as sealant.