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A Novel Polymerization Process of Poly(4,4'-oxydiphenylenepyromellitamic acid)

✍ Scribed by Echigo, Yoshiaki; Iwaya, Yoshiaki; Tomioka, Isao; Furukawa, Mikio; Okamoto, Shoji

Book ID
127250028
Publisher
American Chemical Society
Year
1995
Tongue
English
Weight
172 KB
Volume
28
Category
Article
ISSN
0024-9297

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Preparation of poly(bis(trialkylammonium
Preparation of poly(bis(trialkylammonium) 4,4β€²-oxydiphenylenepyromellitamate) films: A useful polyimide precursor film
✍ Yoshiaki Echigo; Norihiko Miki; Isao Tomioka πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 172 KB πŸ‘ 1 views

A poly[bis(trialkylammonium) 4,4 -oxydiphenylenepyromellitamate] film not containing residual solvents was prepared first as a polyimide precursor film. The preparative method is composed of three process steps involving (1) polymerization of pyromellitic dianhydride with 4,4 -oxydianiline in a mixe