METHOD FOR PRODUCTION OF POLYAMIDE FOAM

FIELD: manufacturing of heat and sound insulation materials. SUBSTANCE: polymerization of C6-C12 lactams is carried out in the presence of activating agent, catalyst, frothing agent and finely dispersed filler. Toluylene diisocyanate is used as activating agent, sodium formate is used catalyst, prod...

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Bibliographische Detailangaben
Hauptverfasser:	CHISTJAKOV VLADIMIR NIKOLAEVICH, BODJAGIN VITALIJ NIKOLAEVICH, ATROSHCHENKO ALEKSANDRA IL'INICHNA, GOLUBEV NIKOLAJ IVANOVICH
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	FIELD: manufacturing of heat and sound insulation materials. SUBSTANCE: polymerization of C6-C12 lactams is carried out in the presence of activating agent, catalyst, frothing agent and finely dispersed filler. Toluylene diisocyanate is used as activating agent, sodium formate is used catalyst, product of direct distillation of white spirit having boiling point 165-200 C being used as frothing agent. EFFECT: improved efficiency of the method. 1 tblr