Polyimides, a process for their preparation and their use, and t

Details Polyimides, a process for their preparation and their use, and t Polyimides, a process for their preparation and their use, and t

1987-07-06

1990-04-03

Kight, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, 528172, 528185, 528188, 528229, 528352, 430283, 430325, 522164, C08G 6926, C08G 802

Patent

active

049141813

ABSTRACT:
Polyimides which essentially consist of 0.1 to 100 mol % of at least one structural element of the formula I ##STR1## and 99.9 to 0 mol % of at least one structural element of the formula II and/or III ##STR2## in which Z and Z' are a tetravalent aromatic radical, Q' is a trivalent aromatic radical, X and X' are a divalent radical of an organic amine, are autophotocrosslinkable. They are suitable for the production of protective films and photographic relief images.

REFERENCES:
patent: 3203982 (1962-11-01), McCracken et al.
patent: 3702318 (1973-08-01), Browning
patent: 3752813 (1973-08-01), Shen et al.
patent: 4131730 (1978-12-01), D'3 Alelio
patent: 4629777 (1986-12-01), Pfeifer
patent: 4657832 (1987-04-01), Pfeifer
Derwent Abst. C68-P90850.

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