Title:
POLYESTER COMPOSITE FILM FOR LAMINATION OF METAL
Document Type and Number:
Japanese Patent JP3304002
Kind Code:
B2
Abstract:
PURPOSE: To provide a polyester composite film for the lamination of metals excellent in deformability, impact resistance, close adhesiveness and heat resistance at the time of can manufacturing, not generating the sticking of a punch or the mark of a feed pin and excellent in flavor resistance.
CONSTITUTION: A polyester composite film comprises a layered structure of A/B/A where the layer A is composed of polyethylene terephthalate isophthalate with an m.p. of 210-230°C and the layer B is composed of polyester with Tg of 40°C or lower containing 50mol% or more of a terephthalic acid residue, 5-50mol% of a 10C aliphatic dicarboxylic acid residue, 35-60mol% of EG and 40-65mol% of 1,4-butane diol.
Inventors:
Katsuro Kuze
Hiroshi Nagano
Kunio Takeuchi
Saburo Ota
Kuniharu Mori
Tsutomu Isaka
Hiroshi Nagano
Kunio Takeuchi
Saburo Ota
Kuniharu Mori
Tsutomu Isaka
Application Number:
JP19474993A
Publication Date:
July 22, 2002
Filing Date:
August 05, 1993
Export Citation:
Assignee:
TOYO BOSEKI KABUSHIKI KAISHA
International Classes:
B32B15/09; B32B15/08; B32B27/36; (IPC1-7): B32B27/36; B32B15/08
Domestic Patent References:
| JP5154971A |