MANUFACTURE OF POLYISOCYANATE CONTAINING ISOCYANURATE GROUP AND USE FOR MANUFACTURE OF POLYISOCYANATE POLYADDUCT

The present invention is directed to a process for the preparation of isocyanurate group-containing polyisocyanates by trimerizing a portion of the isocyanate groups of an organic polyisocyanate and terminating the trimerization reaction by the addition of a catalyst poison, characterized in that th...

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Hauptverfasser: DEIMITORIOSU KERIMISU, HANSU PEETAA MIYUURAA
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creator DEIMITORIOSU KERIMISU
HANSU PEETAA MIYUURAA
description The present invention is directed to a process for the preparation of isocyanurate group-containing polyisocyanates by trimerizing a portion of the isocyanate groups of an organic polyisocyanate and terminating the trimerization reaction by the addition of a catalyst poison, characterized in that the trimerization catalyst used is a quaternary phosphonium salt of a tertiary phosphine and an alkylating ester of an acid of phosphorus. The present invention also relates to the use of the polyisocyanates obtained according to this process, optionally, in a form that has been freed from excess starting polyisoyanate and/or optionally blocked with blocking agents for isocyanate groups as the isocyanate component for the preparation of polyisocyanate polyaddition products, preferably polyurethanes.
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The present invention also relates to the use of the polyisocyanates obtained according to this process, optionally, in a form that has been freed from excess starting polyisoyanate and/or optionally blocked with blocking agents for isocyanate groups as the isocyanate component for the preparation of polyisocyanate polyaddition products, preferably polyurethanes.</description><language>eng</language><subject>APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; GENERAL METHODS OF ORGANIC CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC CHEMISTRY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1987</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19870708&amp;DB=EPODOC&amp;CC=JP&amp;NR=S62153277A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19870708&amp;DB=EPODOC&amp;CC=JP&amp;NR=S62153277A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DEIMITORIOSU KERIMISU</creatorcontrib><creatorcontrib>HANSU PEETAA MIYUURAA</creatorcontrib><title>MANUFACTURE OF POLYISOCYANATE CONTAINING ISOCYANURATE GROUP AND USE FOR MANUFACTURE OF POLYISOCYANATE POLYADDUCT</title><description>The present invention is directed to a process for the preparation of isocyanurate group-containing polyisocyanates by trimerizing a portion of the isocyanate groups of an organic polyisocyanate and terminating the trimerization reaction by the addition of a catalyst poison, characterized in that the trimerization catalyst used is a quaternary phosphonium salt of a tertiary phosphine and an alkylating ester of an acid of phosphorus. 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subjects APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
title MANUFACTURE OF POLYISOCYANATE CONTAINING ISOCYANURATE GROUP AND USE FOR MANUFACTURE OF POLYISOCYANATE POLYADDUCT
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