C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5333, 402/9
C08L 75/06 (2006.01) B32B 15/08 (2006.01) C08G 18/10 (2006.01) C08G 18/42 (2006.01) C08G 18/46 (2006.01) C08G 63/183 (2006.01) C08L 75/00 (2006.01) C09J 175/06 (2006.01)
Patent
CA 1096094
Abstract of the Disclosure An adhesive composition for plastic-metal foil composite packaging materials which comprises (A) A polyester glycol having a molecular weight of 3,000 to 100,000, a polyester- polyurethane polyol having a molecular weight of 3,000 to 100,000 or n mixture thereof, (B) a silane coupling agent and (C) an organic polyisocyanate, the molar equivalent ratio (NCO/H) of isocyanate group (NCO) to active hydrogen (H) thereof being within the range of 1 to 10. The adhesive composition provides a satisfactory packaging material which does not have the problem Or delamination between the metal foil and plastic film even on hot-water sterilization as it contains foods in sealed relation and which ensures long shelf lives and an improved tolerance for foodstuffs.
318528
Igarashi Sachio
Yamazaki Kyuya
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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