E. I. du Pont de Nemours and Company
Matte finish polyimide films and methods relating thereto

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Abstract:

The present disclosure is directed to a base film having a chemically converted polyimide, a non-carbon black pigment and a particulate polyimide matting agent. The particulate polyimide matting agent is present in an amount from 1.6 to 9 weight percent of the base film.

Status:
Grant
Type:

Utility

Filling date:

8 Feb 2018

Issue date:

24 Nov 2020