HEAT SEALABLE LAMINATE 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 polyvinylidene and a second monomer of vinyl chloride or acrylonitrile can be formed as films which have excellent heat sealability.
