MOISTURE CURING POLYURETHANE HOT-MELT ADHESIVE HAVING GOOD ADHESION TO POLAR SUBSTRATES

The invention relates to moisture curing polyurethane hot-melt adhesives having good bonding on polar substrates, in particular on metal substrates. The adhesive composition comprises a first reaction product RP1 obtainable by reacting a first reaction mixture comprising at least one polyol PO and a...

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Bibliographische Detailangaben
Hauptverfasser:	BIEN, Kathrin, JANKE, Doreen, PASCHKOWSKI, Kai
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The invention relates to moisture curing polyurethane hot-melt adhesives having good bonding on polar substrates, in particular on metal substrates. The adhesive composition comprises a first reaction product RP1 obtainable by reacting a first reaction mixture comprising at least one polyol PO and at least one polyisocyanate P and a second reaction product RP2 obtainable by reacting a second reaction mixture comprising at least one monoisocyanate Ml and at least one isocyanate reactive silane SI containing only one isocyanate reactive group selected from the group consisting of a hydroxyl group, mercapto group and amino group. The invention is also related to a method for producing the adhesive composition, to use of the adhesive composition as an assembly adhesive, laminating adhesive, or as adhesive for building of sandwich elements, and to a method for producing a composite element using the adhesive composition of the present invention.