Hardener composition for epoxy resins

Details Hardener composition for epoxy resins Hardener composition for epoxy resins

C - Chemistry, Metallurgy

08

K

C08K 5/18 (2006.01) C08G 59/50 (2006.01) C08G 59/56 (2006.01) C08K 5/13 (2006.01)

Patent

CA 2156095

A composition essentially consisting of the following components: A1) polyamines of formula (I) and/or (II) (I), Image (II), Image wherein R1 and R2 are each independently of the other a hydrogen atom or a methyl group, x is an integer from 1 to 3, and y is an integer from 0 to 2, the sum of x and y being up to and including 4, and z is an integer from 0 to 2; or A2) a mixture of polyamines of formula (I) and/or (II) with further polyamines; B) an aliphatic, cycloaliphatic or araliphatic alcohol or a mixture of corresponding alcohols; and C) an alkyl- and/or aralkyl-substituted monophenol or a mixture of correspondingmonophenols, component C) constituting 10 to 50 percent of the total weight of the cited components. The compositions are useful as hardeners for epoxy resins to give cured material of particularly good resistance to chemicals.

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