Material coated with polyamic acid ester

Details Material coated with polyamic acid ester Material coated with polyamic acid ester

1987-06-29

1989-03-21

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428463, 428442, 428702, 428704, 428 1, 522905, 522904, 427 531, 427 541, B32B 2700, G03C 500

Patent

active

048142336

ABSTRACT:
A material to which there is applied a polyamic acid ester obtained from aromatic tri-or tetracarboxylic acids which contain benzophenone groups and organic diamines is suitable for producing protective coatings or relief images. After it has been irradiated, the material can be subjected to a heat treatment to convert the polyamic acid ester into the polyimide.

REFERENCES:
patent: 3855273 (1974-12-01), Bilow
patent: 4331249 (1986-12-01), Kalyanaraman
patent: 4629777 (1986-12-01), Pfeifer
patent: 4696890 (1987-09-01), Pfeifer

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