Aqueous binder composition for mineral fibres

A - Human Necessities – 01 – G

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A01G 31/00 (2006.01) C03C 25/32 (2006.01) C08F 8/32 (2006.01)

Patent

CA 2662015

An aqueous binder composition for mineral fibres comprises a water-soluble binder component obtainable by reacting, in one or more steps, at least one alkanolamine, at least one carboxylic anhydride and at least one polyalkylene glycol component selected from polyalkylene glycols, copolymers and derivates thereof and, optionally, treating the reaction product with a base.

L'invention concerne une composition aqueuse de liant pour des fibres minérales, qui comprend un composant liant soluble dans l'eau et pouvant être obtenu par la réaction, en une ou plusieurs étapes, d'au moins un alcanolamine, d'au moins un anhydride carboxylique et d'au moins un composant polyalkylène glycol choisi parmi des polyalkylène glycols, des copolymères et des dérivés de ceux-ci, et, facultativement, par le traitement du produit de la réaction par une base.

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