Ultrathin polyimide polymer films and their preparation

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified

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Details

428334, 4284735, 528188, 528229, 528353, B29C 4112

Patent

active

049785737

ABSTRACT:
Disclosed herein are free-standing, pinhole-free, ultrathin polyimide films having thickness of about 400 angstroms or less and a process to prepare them. The films find particular utility in separatory applications.

REFERENCES:
patent: 4880699 (1989-11-01), Kohn

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