REACTIVE HOT-MELT ADHESIVE COMPOSITION CONTAINING A POLYESTER-POLYURETHANE

A reactive hot-melt adhesive composition is provided which is the product of a reaction mixture comprising a polyester-polyurethane intermediate, optionally crystalline and/or amorphous polyesters or polyethers, and an excess of isocyanate groups. The inclusion of the polyester-polyurethane intermed...

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Bibliographische Detailangaben
Hauptverfasser:	SESE SOLANO, Jose, GALISTEO ALMIRON, Barbara M, LOWENBERG, Gonzalo, SALVATELLA RADRESA, Daniel
Format:	Patent
Sprache:	eng ; fre
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:	A reactive hot-melt adhesive composition is provided which is the product of a reaction mixture comprising a polyester-polyurethane intermediate, optionally crystalline and/or amorphous polyesters or polyethers, and an excess of isocyanate groups. The inclusion of the polyester-polyurethane intermediate in the reactive hot-melt adhesive composition allows the properties of the adhesive composition to be customized for various applications. L'invention concerne une composition adhésive thermofusible réactive qui est le produit d'un mélange réactionnel comprenant un intermédiaire polyester-polyuréthane, facultativement des polyesters ou polyéthers cristallins et/ou amorphes et un excès de groupes isocyanate. L'incorporation de l'intermédiaire polyester-polyuréthane dans la composition adhésive thermofusible réactive permet d'adapter spécifiquement les propriétés de la composition adhésive pour diverses applications.