Formaldehyde-free binder

Details Formaldehyde-free binder Formaldehyde-free binder

C - Chemistry, Metallurgy

08

F

C08F 8/32 (2006.01) C03C 25/32 (2006.01) D04H 1/64 (2006.01)

Patent

CA 2632162

The present invention concerns a composition, containing: an aqueous dispersion of at least one polymer polycarboxylic acid; at least one amine compound, wherein the molecular mass of the amine compound does not exceed approximately 20 000 g/mol; as well as at least one activated silane. The composition in accordance with the invention is suited as a formaldehyde-free binder for the manufacture of bound mineral wool.

L'invention concerne une composition comprenant: une dispersion aqueuse d'au moins un acide polycarboxylique polymère; au moins un composé amine dont la masse moléculaire ne dépasse pas approximativement 20 000 g/mole; ainsi qu'au moins un silane activé. La composition de l'invention peut servir de liant exempt de formaldéhyde dans la fabrication de laine minérale liée.

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