Process for the preparation of polydodecanamide, and copolymers based thereon
The proposed process for the preparation of polydodecanamide or copolymers based thereon proposes melting omega -dodecalactam or a mixture thereof with amido-forming monomers and polymerising the resultant melt at a temperature of 180-320 DEG C in the presence of a catalyst and in the presence of a...
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| creator | MARIA GEORGIEVNA PLATOSHKINA VLADIMIR ALEXANDROVICH EVSEEV BORIS PAVLOVICH CHEBURASHKO VLADIMIR PETROVICH NEFEDOV EVGENY SOLOMONOVICH ARTSIS MARINA KONSTANTINOVNA DOBROKHOTOVA LJUDMILA IVANOVNA VALYSHKINA GENNADY ABOVICH ENENSHTEIN |
| description | The proposed process for the preparation of polydodecanamide or copolymers based thereon proposes melting omega -dodecalactam or a mixture thereof with amido-forming monomers and polymerising the resultant melt at a temperature of 180-320 DEG C in the presence of a catalyst and in the presence of a molecular weight regulator. According to the invention, the polymerisation is preceded by filtration of the resultant melt through a layer which contains first oxidised particles of omega -dodecalactam with an elemental oxygen content of 10-24% by weight. |
| format | Patent |
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According to the invention, the polymerisation is preceded by filtration of the resultant melt through a layer which contains first oxidised particles of omega -dodecalactam with an elemental oxygen content of 10-24% by weight.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Process for the preparation of polydodecanamide, and copolymers based thereon |
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