Polyisocyanates

Polyisocyanates are prepared by a process which comprises(i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and one isocyanate group by reacting(a) a diisocyanate I with(b) compounds containing two groups which are reactive toward isocyanate, wher...

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Hauptverfasser:	BRUCHMANN BERND, KOENIGER RAINER, EHE ULRIKE, TREULING ULRICH, RENZ HANS, MUELLER-MALL RUDOLF
Format:	Patent
Sprache:	eng
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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creator	BRUCHMANN BERND KOENIGER RAINER EHE ULRIKE TREULING ULRICH RENZ HANS MUELLER-MALL RUDOLF
description	Polyisocyanates are prepared by a process which comprises(i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and one isocyanate group by reacting(a) a diisocyanate I with(b) compounds containing two groups which are reactive toward isocyanate, where at least one of the components (a) or (b) has functional groups having differing reactivities toward the functional groups of the other component,(ii) if desired, intermolecular addition reaction of the addition product (A) to form a polyaddition product (P) which contains one group which is reactive toward isocyanate and one isocyanate group and(iii) reaction of the addition product (A) and/or the polyaddition product (P) with a diisocyanate or polyisocyanate II which is different from diisocyanate I.
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subjects	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
title	Polyisocyanates
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