Biaxially-oriented polyester film for fabrication and method...

Details Biaxially-oriented polyester film for fabrication and method... Biaxially-oriented polyester film for fabrication and method...

2005-06-14

2005-06-14

Chen, Vivian (Department: 1773)

Stock material or miscellaneous articles

Composite

Of metal

C428S035700, C428S035800, C428S035900, C428S457000, C428S480000, C428S910000, C428S331000, C428S446000, C428S447000, C428S450000, C528S275000, C528S283000, C528S302000, C528S305000, C528S308000, C528S308100, C528S308300, C528S308600, C528S308800, C524S275000, C524S277000, C524S261000, C525S165000, C525S437000, C525S446000

Reexamination Certificate

active

06905774

ABSTRACT:
Biaxially-drawn polyester film for fabrication which is characterized in that it is a film comprising polyester in which ethylene terephthalate units and/or ethylene naphthalate units are the chief structural component, and the melting point of said film is 180-270° C., the angle of contact to water is 70°-120°, and the planar orientation coefficient is 0.08-0.15. This film shows outstanding release properties following repeated use, use after fabrication and use in an aqueous environment and, furthermore, it exhibits stable properties with little variation and, in particular, following lamination to metal sheet such as steel or aluminium, when used as the inner face of a fabricated metal can, it is outstanding in its non-stick properties to the contents, and provides a combination of heat resistance and processability.

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