B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
190/150, 190/43,
B32B 15/08 (2006.01)
Patent
CA 1155381
POLYESTER FILM-HEAT-BONDED METAL SHEET AND CONTAINER MADE THEREOF ABSTRACT OF THE DISCLOSURE A polyester film-heat-bonded metal sheet is provided, which comprises a biaxially oriented polyester film or films, heat-bonded to a metal sheet by means of an adhesive layer interposed therebetween. The adhesive layer is made of a polyblend comprised of, based on the weight of the polyblend, 5 to 80 wt.% of at least one high melting point polyester having a melting point of at least 200°C and 20 to 95 wt.% of at least one low melting point polyester having a melting point of at least 100°C, but not higher than a temperature which is 5°C lower than the melting point of the high melting point polyester. The polyblend may contain a minor amount of a polyolefin resin. The polyester film-heat- -bonded metal sheet has good formability and is suitable for cans and other containers. The containers exhibit enhanced impact resistance, adaptability to retort treatment and corrosion resistance.
355119
Aizawa Masanori
Asakura Masayoshi
Sano Hiroki
Yabe Kenji
Mcfadden Fincham
Toray Industries Inc.
Toyo Seikan Kaisha Ltd.
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