METHOD FOR PREPARING ANION POLYURETHANE DISPERSION

FIELD: chemistry, in particular, synthesis of anion urethane dispersions which can be employed in processing leather, impregnating fabrics and manufacturing coatings and adhesives that may find applications in various spheres of industry. SUBSTANCE: this invention allows scaling up percentage of dis...

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Bibliographische Detailangaben
Hauptverfasser:	SAMIGULLIN F.K, MOSHAROVA O.JA, ZHITINKIN A.A, USHAKOVA L.V, GLADKOVSKIJ G.A, NEPYSHNEVSKIJ V.M
Format:	Patent
Sprache:	eng ; rus
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: chemistry, in particular, synthesis of anion urethane dispersions which can be employed in processing leather, impregnating fabrics and manufacturing coatings and adhesives that may find applications in various spheres of industry. SUBSTANCE: this invention allows scaling up percentage of dispersion dry residue up to 60 % and reducing its viscosity to 270 cP due to use of product resulting from reacting 1 mole of oxyalkylated xylitol having molecular mass of 670 to 1104 with 1 to 3 moles of maleic anhydride as chain elongator neutralized by triethylamine. EFFECT: higher yield of dry residue and storageability and lower viscosity. 2 tbl Изобретение относится к синтезу анионных уретановых дисперсий, которые могут быть использованы для отделки кожи, пропитки тканей, получения покрытий, клеев, применяемых в различных областях промышленности. Изобретение позволяет повысить содержание сухого остатка дисперсии (до 60%) при одновременном снижении ее вязкости (до 270 сП) за счет использования в качестве удлинителя цепи нейтрализованного триэтиламином продукта реакции 1 моль оксиалкилированного ксилита с мол.м. 670 - 1104 с 1 - 3 моль малеинового ангидрида. 2 табл.