Hardener for epoxy resins

Details Hardener for epoxy resins Hardener for epoxy resins

C - Chemistry, Metallurgy

08

G

C08G 69/26 (2006.01) C08G 59/18 (2006.01) C08G 59/54 (2006.01) C08L 63/00 (2006.01) C08L 79/02 (2006.01)

Patent

CA 2089532

92/K 009 Abstract of the disclosure: Hardeners for epoxy resins, comprising reaction products of (A) polyamidoamines that were obtained by polycondens- ation of (a) dicarboxylic acids containing oxyalkylene groups, or their derivatives, with (b) polyamines containing at least two amino groups capable of undergoing condensation with (a), (B) polyamines containing at least two secondary amino groups, and (C) adducts of (c) polyepoxy compounds and (d) poly- alkylene polyether polyols. Epoxy resins that have been cured with these hardeners exhibit in particular a very good water resistance.

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