Patent ID: 8921497
Filing Date: 2014-12-30
Classification: C08G,C08L,C09J

Abstract:
1. A curable adhesive composition for anchoring materials in or to concrete or masonry comprising: a first part including an epoxy resin comprising at least one polymerizable epoxy compound; and, a reactive diluent incorporated into the epoxy compound, the reactive diluent having at least one reactive terminal end portion, the epoxy compound and the reactive diluent having a weight ratio of 65:10 to 90:0.5; and a second part including a curing agent comprising a plurality of aliphatic amines and at least one tertiary amine; wherein said adhesive composition has an epoxy:amine weight ratio of about 0.5:1 to about 10:1 and passes the ICBO Heat Creep Test (ICBO Acceptance Criteria AC58) at 110° F. and passes the ICBO Damp Hole Test at 75° F.; the plurality of aliphatic amines includes a first aliphatic amine having an amine value of about 400 mg KOH/g to about 500 mg KOH/g and a second aliphatic amine having an amine value greater than about 550 mg KOH/g each of the first and second aliphatic amines having a glass transition temperature of from about 130° F. to about 135° F.; and the first and second parts are contained in separate cartridges of a dispensing gun, separate chambers of a glass capsule, or separate bulk containers.