PROCESSO PARA FABRICACAO DE HOMOPOLIIMIDAS TERMO-ESTAVEIS DE COMBUSTAO LENTA,HOMOPOLIIMIDA TERMO-ESTAVEL DE COMBUSTAO LENTA,CORPO DE FORMA E FIBRAS DE HOMOPOLIIMIDAS

In order to prepare novel flame-retardant, thermostable homopolyimides containing structural units of the formula by reacting 3,3',4,4'-benzophenonetetracarboxylic dianhydride with an, in total, equimolar amount of 2,4- and/or 2,6-tolylene diisocyanate, the reaction is carried out in the p...

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Bibliographische Detailangaben
Hauptverfasser:	SIGRID SEIDL, HERBERT GRIESSER, KLAUS WEINROTTER
Format:	Patent
Sprache:	por
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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