Patent ID: 6841212

Claim:
An adhesive composition suitable for sealing to a substrate selected from the group consisting of polymeric materials and steel, said composition comprising (a) An amount of from about 20 to about 60% by weight of maleic anhydride-modified propylene-ethylene copolymer resin; (b) An amount of from about 15 to about 40% by weight of a maleic anhydride-modified polyethylene; (c) An amount of from about 5 to 20% by weight of a polyisobutylene; (d) An amount of from about 5 to 20% by weight of a terpolymer comprising ethylene, propylene and a non-conjugated diene; and (e) An amount of from about 10 to about 30% by weight of an inert thermoplastic hydrocarbon resin tackifier formulated from a mixture of aromatic and aliphatic feedstocks.