Methods of preparing polyimides and polyimide precursors

Details Methods of preparing polyimides and polyimide precursors Methods of preparing polyimides and polyimide precursors

1980-09-12

1981-10-20

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521180, 521185, 521 88, 526 70, 526 71, 528125, 528128, 528229, C08J 900, C08G 1816

Patent

active

042962080

ABSTRACT:
Methods of preparing polyimides and polyimide precursors from liquid resins containing tetracarboxylic acid esters and primary diamines which involve spray drying the resin.

REFERENCES:
patent: 2187877 (1940-01-01), Ferris et al.
patent: 2880794 (1959-04-01), Marshall, Jr.
patent: 2902223 (1959-09-01), Nyrop
patent: 3049174 (1962-08-01), Marshall, Jr.
patent: 3489725 (1970-01-01), Lucas

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