Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-02-27
1991-12-24
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
526262, C07D20976, C08F 246
Patent
active
050754564
ABSTRACT:
Imides of the formula I ##STR1## In which R.sub.1, R.sub.2 and R.sub.4 independently of one another are hydrogen or methyl, R.sub.3 is a direct bond or a C.sub.2 -C.sub.20 aliphatic radical which can be interrupted by O atoms or a mononuclear or polynuclear C.sub.5 -C.sub.20 cycloaliphatic or C.sub.6 -C.sub.20 aromatic radical or is a group of the formula II ##STR2## in which T is methylene, isopropylidene, CO, O, S or SO.sub.2 and R.sub.5 is hydrogen or phenyl, can be crosslinked either photochemically or by heat and produce polymers having excellent properties, in particular a very high resistance to heat. They are particularly suitable for the production of heat-resistant photolithographs or as matrix resins for the production of composite materials.
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Banks Christopher P.
Irving Edward
Renner Alfred
Vonlanthen Christian
Ciba-Geigy Corporation
Shah Mukund J.
Villamizar JoAnn
Ward E. C.
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