Synthesizing tech. of water dispersant type polyaminoester emulsion

A process for preparing a dispersed-in-water polyurethane emulsion includes such steps as proportionally adding polyol, detackfying resin and polyisocyanate into reactor, stirring, heating while stirring to generate pre-polymer, cooling, adding acetone, cooling, adding hydrophilic chain extending ag...

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Bibliographische Detailangaben
1. Verfasser:	SHAOZHEN YU
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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A process for preparing a dispersed-in-water polyurethane emulsion includes such steps as proportionally adding polyol, detackfying resin and polyisocyanate into reactor, stirring, heating while stirring to generate pre-polymer, cooling, adding acetone, cooling, adding hydrophilic chain extending agent, heating, neutralizing to pH=7-8 by triethane, adding deionized water, emulsifying, laying aside, heating, removing acetone and adding assistant.