Hypro® 1300X63 ETBN – A new Diglycidyl Ester of a Low Molecular Weight Butadiene-Acrylonitrile Copolymer

30 September 2011 by claire.smith

Hypro® 1300X63 ETBN is a linear epoxy capped low molecular weight butadiene-acrylonitrile copolymer based on Hypro® 1300X13.  It is designed to function as a toughening agent for epoxy adhesives, coatings and composites applications.

Unlike traditional adducts of CTBN, Hypro® 1300X63 is free of residual epoxy resin and can be used to modify any resin system.  As such, it achieves lower formulated viscosities at equal rubber content while maximising Tg and lap shear over resin adducts.  Hypro® 1300X63 is fully reactive with conventional epoxy hardeners.  

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