METHOD FOR PRODUCING AN ISOCYANATE AND ISOCYANURATE GROUPS CONTAINING COMPOSITION AND PUR/A PIR HARD FOAM FORMED FROM SAME

METHOD FOR PRODUCING AN ISOCYANATE AND ISOCYANURATE GROUPS CONTAINING COMPOSITION AND PUR/A PIR HARD FOAM FORMED FROM SAME

The present disclosure relates to a method for producing a composition containing isocyanate and isocyanurate groups having the following steps: 1) mixing a monomer polyisocyanate with polymer diphenylmethane diisocyanate, thereby obtaining a mixture, and 2) allowing the mixture obtained in step 1)...

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Hauptverfasser: SCHLEIERMACHER, Stephan, ARNTZ, Hans-Detlef
Format: Patent
Sprache:eng ; fre ; ger
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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 SCHLEIERMACHER, Stephan
ARNTZ, Hans-Detlef
description The present disclosure relates to a method for producing a composition containing isocyanate and isocyanurate groups having the following steps: 1) mixing a monomer polyisocyanate with polymer diphenylmethane diisocyanate, thereby obtaining a mixture, and 2) allowing the mixture obtained in step 1) to react in the presence of a trimerization catalyst, thereby obtaining a composition containing isocyanate and isocyanurate groups. The monomer polyisocyanate used in step 1) has a total chlorine content of
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The monomer polyisocyanate used in step 1) has a total chlorine content of &lt;100 ppm (determined using an X-ray fluorescence analysis according to DIN 51577 (1994) part 4). 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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 METHOD FOR PRODUCING AN ISOCYANATE AND ISOCYANURATE GROUPS CONTAINING COMPOSITION AND PUR/A PIR HARD FOAM FORMED FROM SAME
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