Laminar thermoplastic film constructions

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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428 35, 428212, 428516, 428517, 427230, 229 53, 229 55, B29D 2304, B32B 2708, B65D 3100

Patent

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043571913

ABSTRACT:
Laminar thermoplastic film constructions comprising a layer of low density polyethylene bonded to a layer of a dissimilar polymer blend comprising high density polyethylene and polyethylene copolymers. In particular such copolymers comprise polyethylene copolymerized with another alpha olefin containing from about 3 up to about 15 carbon atoms. Such copolymers are also characterized by being linear, low density polymers having densities which are below about 0.94 grams/cc.

REFERENCES:
patent: 3508944 (1970-04-01), Henderson et al.
patent: 4022646 (1977-05-01), Casey
patent: 4151318 (1979-04-01), Marshall
patent: 4303710 (1981-12-01), Bullard et al.

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