Formaldehyde-free aqueous binders

Details Formaldehyde-free aqueous binders Formaldehyde-free aqueous binders

C - Chemistry, Metallurgy

08

L

C08L 35/00 (2006.01) C08F 8/32 (2006.01) C08K 5/17 (2006.01) D04H 1/64 (2006.01) D06M 15/263 (2006.01) D06N 3/04 (2006.01)

Patent

CA 2247312

Formaldehyde-free aqueous binders containing: A) a polymer consisting of 5 to 100 wt% of an ethylenically unsaturated acid anhydride or an ethylenically unsaturated bicarboxylic acid, the carboxylic acid groups of which can form an anhydride group, and B) an alkanol amine with at least two hydroxyl groups.

Liant aqueux, exempt de formaldéhyde, renfermant: A) un polymère constitué par 5 à 100 % en poids d'un anhydride d'acide éthyléniquement insaturé ou d'un acide dicarboxylique éthyléniquement insaturé, dont les groupes acide carboxylique peuvent former un groupe anhydride, et B) une alcanolamine ayant au moins deux groupes hydroxyle.

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