Method for using cyclic carbodimide

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 85/00 (2006.01) C07D 245/02 (2006.01) C07D 273/08 (2006.01) C08G 63/91 (2006.01) C08G 69/48 (2006.01)

Patent

CA 2745413

A method of sealing an end of a polymer with a carbodiimide compound without liberating an isocyanate compound. A compound including a cyclic structure having one carbodiimide group whose first nitrogen and second nitrogen are bonded together by a bond group is used as an end-sealing agent for the polymer.

Linvention propose un procédé permettant de sceller lextrémité terminale dun polymère,  sans libérer de composé isocyanate, en utilisant un composé de carbodiimide. Cette invention consiste en un procédé qui utilise en tant quagent de scellement dextrémité terminale dun polymère un composé possédant un groupe carbodiimide, dont la structure cyclique résulte de la liaison dun premier et dun second atome dazote réalisée grâce à un groupe de liaison.

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