Patent ID: 9701876
Date: 2017-07-11
CPC Classifications: C09J,E04D,Y10T

Claim:
1. A two-part adhesive having an A side and a B side, the two-part adhesive comprising: at least one of a polyurethane prepolymer and a diisocyanate present in the A side; not more than two polyols present in the B side, wherein the weight ratio of the two polyols is at least 4:1; at least one catalyst present in the B side; a blowing agent present in an amount of less than 1 wt % of the B side; at least on adhesion promoter in at least one of the A side or the B side in an amount of about 10% to 50% by weight of the two-part adhesive and wherein the A side and the B side of the two part adhesive are mixed in a volumetric ratio of 1:1 and the two part adhesive has a heat aged T-peel breakaway strength of at least about 1 pli.