Polyimide varnish

Details Polyimide varnish Polyimide varnish

1997-12-08

1999-06-29

Bell, Janyce

Coating processes

Centrifugal force utilized

427 58, 427 64, 427108, 427387, 4273897, 4274072, 4274121, B05D 312

Patent

active

059166320

ABSTRACT:
A polyimide varnish which is a solution having a polyimide and/or a polyimide precursor dissolved in an organic solvent and which is useful for forming a polyimide coating film on a substrate by coating the solution on the substrate followed by heat treatment, wherein from 5 wt % to 60 wt % of the organic solvent is a polypropylene glycol derivative of the formula (I): ##STR1## wherein n is 1 or 2, and R is hydrogen, a C.sub.1-4 alkyl group, a C.sub.1-4 alkenyl group or a C.sub.1-4 alkanoyl group.

REFERENCES:
patent: 4562092 (1985-12-01), Wiech
patent: 5077055 (1991-12-01), Schnur et al.
patent: 5137751 (1992-08-01), Burgess et al.
patent: 5461099 (1995-10-01), Ishikawa et al.
patent: 5520952 (1996-05-01), Tanitso et al.

Affiliated with

Also associated with

Rating

Polyimide varnish does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyimide varnish, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyimide varnish will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1374100