Patent ID: 8545667
Filing Date: 2013-10-01
Classification: C08F,C08K,C08L,C09J

Abstract:
1. A pumpable and wash-off resistant epoxy paste adhesive comprising: at least one epoxy resin selected from the group consisting of diglycidyl ethers of bisphenol A and bisphenol F and present in an amount of from about 30 wt % to about 65 wt % based on the overall epoxy paste adhesive; a dispersion of rubber particles having a core-shell structure in an epoxy resin matrix, said rubber particles having an average particle size of from about 25 to about 150 nm and present in an amount of from about 0.1 wt % to about 10 wt % based on the overall epoxy paste adhesive; a thixotropic agent of an organically-modified nanoclay prepared from a mineral clay mixture of different clay types that has been treated with one or more alkyl quaternary ammonium compounds and present in an amount of from about 0.5 wt % to about 10 wt % based on the overall epoxy paste adhesive; and at least one heat-activated latent curing agent present in an amount of from about 0.5 wt % to about 10 wt % based on the overall epoxy paste adhesive.