Coagulating agent and solution for the production of...

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 9/00 (2006.01) C09J 11/08 (2006.01) C09J 111/02 (2006.01) C08L 11/02 (2006.01)

Patent

CA 2445240

The invention relates to industrial glues, especially contact glues which are used in the foam industry, especially bi-component or multi-component glues containing polychloroprene . The object of the invention is a coagulating agent, a solution containing said agent, the use thereof in the production of a bi-compoent or multi-component glue, and the glue thus obtained. The invention also relates to a glueing method wherein said glue is used, a glued product thus obtained, and a device which is especially adapted in order to carry out said method. The coagulating agent is characterized in that it essentially comprises at least one polymer containing at least one functional acid group and at least one polymer containing at least one basic functional group.

La présente invention concerne le domaine des colles industrielles, plus particulièrement celui des colles dites "contact" intervenant dans l'industrie des mousses et notamment les colles bi- ou multicomposantes, en particulier les colles bicomposantes contenant du polychloroprène. Elle a pour objet un agent de coagulation, une solution contenant un tel agent, leur utilisation pour la fabrication d'une colle bi- ou multicomposante ainsi que la colle obtenue. Elle a également pour objet un procédé de collage utilisant une telle colle, le produit collé obtenu et un dispositif particulièrement adapté à la mise en oeuvre dudit procédé. Agent de coagulation caractérisé en ce qu'il comprend essentiellement au moins un polymère possédant au moins un groupement fonctionnel acide et au moins un polymère possédant au moins un groupement fonctionnel basique.

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