Heat sealable laminate
AssigneeThe Goodyear Tire & Rubber Company
InventorsWilliam A. Watts, Mark D. Creekmore
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Abstract
A laminate of a blend of 40 to 80 parts of polyvinyl chloride and 60 to 20 parts of a copolymer of butadiene acrylonitrile adhered to a substrate of polypropylene with a latex or solvent solution of a copolymer of vinylidene chloride and a second monomer of vinyl chloride or acrylonitrile can be formed as films which have excellent heat sealability.
Claims1
A laminate comprising a film of a blend of 40 to 80 parts of polyvinyl chloride and 60 to 20 parts of a copolymer of about 60-70% by weight of butadiene and about 40-30% by weight of acrylonitrile adhered to a film of polypropylene with an adhesive layer of a copolymer of vinylidene chloride and a second monomer of vinyl chloride or acrylonitrile.
Dependencies are inferred from the claim text.