Diamino-9,10-dihydroanthracenes and polyamide acid (esters)...

Details Diamino-9,10-dihydroanthracenes and polyamide acid (esters)... Diamino-9,10-dihydroanthracenes and polyamide acid (esters)...

C - Chemistry, Metallurgy

08

G

402/221, 402/234

C08G 73/00 (2006.01) C08G 73/10 (2006.01) G03F 7/038 (2006.01)

Patent

CA 1281481

Diamino-9,10-dihydroanthracenes and polyamide acid (esters) and polyimides derived therefrom Abstract Compounds containing at least 5 mol % of structural units of the formulae I and/or II Image (I), (II), in which Q is an unsubstituted or substituted tetravalent aromatic radical to which in each case two carbonyl groups are bonded in the ortho- or peri-position, R1 is selected from the radicals of the formulae III, IV and V Image (III), Image (IV), Image (V), R2, R3, R4 and R5 are hydrogen, alkyl, cycloalkyl or sub- stituted or unsubstituted aryl or aralkyl, R6 and R7 are aryl or halogen, m and n are 0, 1 or 2 and o is 0, 1, 2, 3 or 4, are described. The compounds are distinguished by an increased resis- tance to oxidation by heat. They can be used to produce coat- ings and relief structures.

540662

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