Reagents for heat activated polymer crosslinking

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 5/32 (2006.01) C07C 205/01 (2006.01) C08F 8/00 (2006.01) C08G 18/67 (2006.01) C08G 18/80 (2006.01) C09J 175/16 (2006.01)

Patent

CA 2385612

The present invention is directed to nitrile-oxide precursor compounds, and their preparation and use as an irreversible cross-linking agent in polymers having appropriate functionality, i.e., alkenes, alkynes nitriles, and isocyanates. The present invention is also directed to the use of nitrile oxide compound in filled or unfilled applications such as pressure sensitive adhesives, reactive hot melts, polyurethane dispersions, thermosetting adhesives, thermoplastic adhesives or coatings.

L'invention concerne des composés précurseurs nitrile oxyde, ainsi que leur préparation et leur utilisation en tant qu'agent de réticulation irréversible dans des polymères possédant une valence fonctionnelle adéquate, c'est à dire, des alcènes, des alcynes, des nitriles et des isocyanates. Cette invention concerne également l'utilisation de composé nitrile oxyde dans des produits d'application chargés ou non chargés tels que des adhésifs autocollants, des adhésifs thermofusibles réactifs, des dispersions polyuréthanne, des adhésifs thermodurcissables, des adhésifs thermoplastiques ou des revêtements.

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