B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/114.6
B32B 27/18 (2006.01)
Patent
CA 1248417
ABSTRACT OF THE DISCLOSURE A method for producing a laminated material giving higher adhesive strength of laminated layers and the thermal deterioration of polyolefin and the undesirable release of the active agent during the lamination process are avoided. The method is characterized in that the substrate sheet is previously laminated with a polyolefin layer, and a molten web of polyolefin film is laminated to the side of said polyolefin layer of the substrate sheet under pressure at a relatively lower temperature.
518380
Gowling Lafleur Henderson Llp
Nippon Petrochemicals Co. Ltd.
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