TWI649388B

A hydroxyl-functionalized polybutadiene polyurethane hotmelt prepolymer that comprises the chemical reaction product of at least one polybutadiene diol, at least one chain extender having a hydroxyl functionality of two and a molecular weight of less than or equal to 300 g/mol and optionally at leas...

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Bibliographische Detailangaben
Hauptverfasser:	DIETZE, SEBASTIAN, SCHUEMANN, UWE
Format:	Patent
Sprache:	chi
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES GENERAL PROCESSES OF COMPOUNDING 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 WORKING-UP
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Beschreibung
Zusammenfassung:	A hydroxyl-functionalized polybutadiene polyurethane hotmelt prepolymer that comprises the chemical reaction product of at least one polybutadiene diol, at least one chain extender having a hydroxyl functionality of two and a molecular weight of less than or equal to 300 g/mol and optionally at least one polybutadiene polyol that has a number-average mean functionality between greater than 2.0 and less than or equal to 3.0 with at least one aliphatic or alicyclic diisocyanate, is thermally vulcanizable, and at room temperature is sufficiently solid or high-viscosity that it can be rolled into a roll as a film applied to a carrier without flowing out or being squeezed out on the side.