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

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

1987-06-19

1989-07-11

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, 522164, 430283, 430325, C08G 6926

Patent

active

048473596

ABSTRACT:
Compounds containing at least 5 mol % of structural units of the formulae I and/or II ##STR1## 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, R.sup.1 is selected from the radicals of the formulae III, IV and V ##STR2## R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen, alkyl, cycloalkyl or substituted or unsubstituted aryl or aralkyl, R.sup.6 and R.sup.7 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 resistance to oxidation by heat. They can be used to produce coatings and relief structures.

REFERENCES:
patent: 3963762 (1976-06-01), Hohmann
patent: 4629777 (1986-12-01), Pfeifer
patent: 4657832 (1987-04-01), Pfeifer
patent: 4680195 (1987-07-01), Pfeifer
R. A. Dine-Hart, Makromol. Chem., 153, 237 (1972).

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