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PROCESS FOR COLOURING THERMOPLASTIC AND THERMOSETTING POLYMERS, MODIFICATED NATURAL RESINES AND LINSEED OIL VARNISH, AND PROCESS FOR PRODUCING NEW 1,4-DIKETO-PYRROLO /3,4 C/ PYRROLES
PROCESS FOR COLOURING THERMOPLASTIC AND THERMOSETTING POLYMERS, MODIFICATED NATURAL RESINES AND LINSEED OIL VARNISH, AND PROCESS FOR PRODUCING NEW 1,4-DIKETO-PYRROLO /3,4 C/ PYRROLES
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机译:热塑性和热固性聚合物,改性天然树脂和亚麻籽油清漆的着色工艺,以及新的1,4-二酮-吡咯/ 3,4 C /吡咯的制备方法
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摘要
A process for dyeing high-molecular organic material in the bulk characterized by the use of a 1,4-diketo-pyrrolo[3,4-c]-pyrrole of the formula IMAGE wherein R1 and R2 are isocyclic or heterocyclic aromatic radicals, preferably unsubstituted or substituted phenyl or naphthyl radicals. The dyeings obtained, for example in plastics, fibres, lacquers and printings, are distinguished by very high coloring strength, high saturation, good dispersibility, good fastness to cross-lacquering, migration, heat, light and weather, and also by a high gloss and a good IR-remission behavior.
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