POLYURETHANE REACTIVE COMPOSITION

The present invention relates to process for preparing a polyurethane reactive composition comprising the consecutive steps a to c: a) providing a diol or a higher functional polyol of a polyester or of a polycarbonate or a mixture thereof or a liquid diol or a higher functional polyol of a polyeste...

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Bibliographische Detailangaben
Hauptverfasser:	SCHNEIDER, DANIEL, ROHRER, PAUL, SYMIETZ, DETLEF
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention relates to process for preparing a polyurethane reactive composition comprising the consecutive steps a to c: a) providing a diol or a higher functional polyol of a polyester or of a polycarbonate or a mixture thereof or a liquid diol or a higher functional polyol of a polyester polyurethane as an isocyanate reactive compound, the polyester being derived from a hydroxy carboxylic acid or from the corresponding lactone and being in its liquid form, and adding a compound having at least two primary amino groups, b) adding a solid isocyanate and c) adding a mixture comprising the isocyanate reactive compound and a sterically hindered bismuth-catalyst, to obtain the polyurethane reactive composition, said composition being liquid in case that the isocyanate reactive compound is a liquid diol or a higher functional polyol of a polyester polyurethane.