Process for preparing polyimides

Details Process for preparing polyimides Process for preparing polyimides

1986-04-16

1988-05-03

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, C08G 6926

Patent

active

047421533

ABSTRACT:
An improved process for preparing polyimides is disclosed which involves end capping intermediate polyamic acids with dicarboxylic acid monoanhydrides and thermally converting to high molecular weight polyimides.

REFERENCES:
patent: 3179630 (1965-04-01), Endrey
patent: 4405770 (1983-09-01), Schoenberg et al.

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