STABLE DISPERSION OF POLYUREA AND/OR POLYHYRAZODICARBONAMIDEDISPERSED IN HYDROXYL GROUP-CONTAINING COMPOUND WITH RELATIVELY LARGE MOLECULAR WEIGHT, ITS PRODUCTION AND USE THEREOF IN PRODUCTION OF POLYURETHANE

STABLE DISPERSION OF POLYUREA AND/OR POLYHYRAZODICARBONAMIDEDISPERSED IN HYDROXYL GROUP-CONTAINING COMPOUND WITH RELATIVELY LARGE MOLECULAR WEIGHT, ITS PRODUCTION AND USE THEREOF IN PRODUCTION OF POLYURETHANE

The present invention is directed to a stable dispersion of a polyurea and/or a polyhydrazodicarbonamide having a solids content of from 5 to 40%, by weight, in a relatively high molecular weight, hydroxyl group-containing polyether, obtained by continuously reacting: (a) an organic di- and/or polyi...

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Hauptverfasser: KURAUSU KEENITSUHI, MANFURETO DEIITORITSUHI
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Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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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creator KURAUSU KEENITSUHI
MANFURETO DEIITORITSUHI
description The present invention is directed to a stable dispersion of a polyurea and/or a polyhydrazodicarbonamide having a solids content of from 5 to 40%, by weight, in a relatively high molecular weight, hydroxyl group-containing polyether, obtained by continuously reacting: (a) an organic di- and/or polyisocyanate with an amine-functional material selected from the group consisting of (i) primary and/or secondary amino group-containing di- and/or polyamines, (ii) hydrazines, (iii) hydrazides and (iv) mixtures thereof in (c) said polyether at an equivalent ratio of components (a) to (b) of from 1.051:1 to 1.50:1 in a throughflow mixer in such a quantity that the average residence time of the reaction components in the mixer is less than 10 minutes and collecting the reaction product issuing from the throughflow mixer in a receiver optionally with heating to from 50 DEG to 150 DEG C. and optionally with subsequent stirring. The invention also relates to the production and use of such dispersions.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title STABLE DISPERSION OF POLYUREA AND/OR POLYHYRAZODICARBONAMIDEDISPERSED IN HYDROXYL GROUP-CONTAINING COMPOUND WITH RELATIVELY LARGE MOLECULAR WEIGHT, ITS PRODUCTION AND USE THEREOF IN PRODUCTION OF POLYURETHANE
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