| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polyester film [1] which is superior in mechanical property, enables thermocompression bonding with a metal sheet, despite a high degree of crystallization of the film, reduces quality change of a plastic film laminated on the metal sheet even if faced with variation of conditions of thermocompression bonding with the metal sheet, and which enables thermocompression bonding even at a relatively low temperature, [2]which is superior in formability, [3] which is superior in flavoring property and impact resistance, and which does not cause whitening or delamination of the film, or microcracks on the film, even if the film in the metal laminated sheet obtained by thermocompression bonding of the film on the metal sheet or the film on the surface of a metal can obtained by subjecting the metal laminated sheet to various form processings is crystallized, and [4] which satisfies productivity on an industrial scale. <P>SOLUTION: The polyester film is composed of two kinds of polyester resins having specific DSC temperatures (and specific glass transition points). <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
