Thermoplastic polyimide tubular film

Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag

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Details

2642091, 2642095, B29C 4720, B29C 5522, B32B 108, C08J 518

Patent

active

053894120

ABSTRACT:
A tubular thermoplastic polyimide film manufactured by melt-extruding a novel kind of thermoplastic polyimide resin is provided. This film has a remarkably high dimensional accuracy, inclusive of the accuracy of film thickness, and is suitable for use in a variety of applications such as printer fixation belts.

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patent: 5070181 (1991-12-01), Kawai et al.
patent: 5075036 (1991-12-01), Parish et al.

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