METHOD OF PRODUCING UREA-FORMALDEHYDE RESIN

FIELD: synthetic polymer materials production. SUBSTANCE: when producing urea- formaldehyde resin, in the condensation reaction of the 1st step, as an urea aqueous solution a mixture of urea-containing substances is used which is obtained by mixing urea and formaldehyde at their molar ratio (0.8-2.0...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BURYNDIN V.G, MIKHEEV A.A, LJAKHOV V.K, GLUKHIKH V.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	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
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