Prepeg with improved room temperature storage stability

Details Prepeg with improved room temperature storage stability Prepeg with improved room temperature storage stability

B - Operations, Transporting

32

B

B32B 27/04 (2006.01) B32B 5/28 (2006.01) B32B 27/38 (2006.01) C08G 59/32 (2006.01) C08G 59/50 (2006.01) C08J 5/24 (2006.01) D06M 15/55 (2006.01)

Patent

CA 2044057

ABSTRACT Prepreg comprising structural fiber and matrix resin formulated from epoxys selected from the group consisting of polyglycidyl ethers of polycyclic bridged hydroxy- substituted polyaromatic compounds and N,N,N',N'-tetraglyciciyl-bis(4-amino-3- ethylphenyl) methane with from about 6 to about 150 pbw, per hundred parts by weight of the epoxy resin components, of a solid aromatic diamine hardener insoluble in said composition in an amount effective to cure said epoxy resin exhibiting improved storage stability characteristics at room temperature.

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