Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1983-09-02
1986-02-11
Woo, Jay H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156289, 428286, 4284248, 428904, B32B 3100, B32B 3130, B32B 3300
Patent
active
045697124
ABSTRACT:
A process is dislosed for producing a support suitable for use in the formation of polyurethane films, the support comprising a base and a releasing layer on the base comprising a polymeric mixture of 95 to 65 parts by weight of polypropylene and 5 to 35 parts by weight of polyethylene, which process comprises extrusion coating the base with said mixture through a T-die to form the releasing layer on the base, the temperature of the mixture as extruded through the T-die being controlled below 300.degree. C.
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"Polyethylene on Paper", Modern Plastics, Dec. 1950, pp. 67-71.
"Priming Paper for Extrusion Coating", Tech. Ass. of the Pulp and Paper Industry, 18th Plastics-Paper Conference, Oct. 14-16, 1963.
"Plastics Films--Manufacture and Application", Plastics Research Group, GIHODO Pub. Ltd., Tokyo, Japan, 1980.
Maruchi Sachio
Ozawa Hironori
Shibano Tomishi
Heitbrink Timothy W.
Sanyo Kokusaku Pulp Co., Ltd.
Woo Jay H.
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