Organic solvent-soluble photosensitive polyimide resin

Details Organic solvent-soluble photosensitive polyimide resin Organic solvent-soluble photosensitive polyimide resin

1984-05-30

1985-12-10

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

430283, 430287, 528187, 528188, 528189, C08G 7310, C08G 7312

Patent

active

045581177

ABSTRACT:
An organic solvent-soluble photosensitive polyimide resin having excellent heat resistance and electrical and mechanical properties, comprising a copolycondensation product of a biphenyltetracarboxylic acid component with an aromatic diamine component consisting of 40 to 90 molar % of a diamine compound of the formula (I) and 10 to 60 molar % of a diaminodiphenylether compound of the formula (II), ##STR1## wherein X=--CO--O-- or --CH.sub.2 --O--, R.sub.1 and R.sub.2 =an organic residue having an ethylenically unsaturated radical, and R.sub.3 =H or --NHCOR.sub.2.

REFERENCES:
patent: 3926914 (1975-12-01), Miyadera et al.
patent: 4168360 (1979-09-01), D'Alelio
patent: 4321198 (1982-03-01), D'Alelio et al.

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