Water-dispersible polyisocyanate preparations for producing repulpable paper

This invention relates to water-dispersible polyisocyanates obtained by reactinga) at least one bishydroxy-functional compound of the formula (I) wherein R1, R2, R3, and n are defined herein, withb) at least one polyisocyanate of the formula (II) wherein Q and q are defined herein, and subsequently,...

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Bibliographische Detailangaben
Hauptverfasser:	ROICK THOMAS, JANSEN BERNHARD, THIELE BERND
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON IMPREGNATING OR COATING OF PAPER MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	This invention relates to water-dispersible polyisocyanates obtained by reactinga) at least one bishydroxy-functional compound of the formula (I) wherein R1, R2, R3, and n are defined herein, withb) at least one polyisocyanate of the formula (II) wherein Q and q are defined herein, and subsequently, in any order, withc) at least one monofunctional polyether alcohol of the formula (III) wherein R4, R5, and m are defined herein, and optionally withd) at least one compound of the formula (IV) wherein R5, R6, R7, R8, O, and X- are defined herein.