processos para a preparação contìnua de poliisocianatos com estrutura biureto
A process for the continuous production of polyisocyanates (I) having a biuret structure by continuous reaction of an excess of organic diisocyanates having exclusively aliphatic and cycloaliphatic isocyanate groups with organic diamines having exclusively aliphatic and cycloaliphatic primary amine...
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| creator | SIEGFRIED OECKL REINHARD HALPAAP HARALD MERTES DIETER MAGER |
| description | A process for the continuous production of polyisocyanates (I) having a biuret structure by continuous reaction of an excess of organic diisocyanates having exclusively aliphatic and cycloaliphatic isocyanate groups with organic diamines having exclusively aliphatic and cycloaliphatic primary amine groups at greater than 170 degrees C comprises dose addition of acids during the reaction. |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | processos para a preparação contìnua de poliisocianatos com estrutura biureto |
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