AMORPHOUS POLY-ALPHA-OLEFINS AND USE THEREOF IN HOT-MELT COMPOSITIONS WITH IMPROVED SPRAYABILITY

The invention relates to amorphous poly-alpha-olefins, which are characterized in that said amorphous poly-alpha-olefins have a viscosity at 190°C of less than 5000 mPas, a molar mass distribution (Mw/Mn) of 3 to 8, a quotient Mz/Mw of less than or equal to 3.0 and a quotient Mz/Mn of less than 21Ø...

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Bibliographische Detailangaben
Hauptverfasser:	BAUTZ, JESSICA, BABIK, SEBASTIAN, RAWERT, KATHARINA, BEHRENDT, KLAUS, CEPA, STEFFEN, EBBERS, ANDRE, KOVACIC, GABRIELE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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 invention relates to amorphous poly-alpha-olefins, which are characterized in that said amorphous poly-alpha-olefins have a viscosity at 190°C of less than 5000 mPas, a molar mass distribution (Mw/Mn) of 3 to 8, a quotient Mz/Mw of less than or equal to 3.0 and a quotient Mz/Mn of less than 21Ø The invention further relates to a method for producing degraded amorphous poly-alpha-olefins, in particular the amorphous poly-alpha-olefins according to the invention, and to the use of the amorphous poly-alpha-olefins according to the invention or produced according to the invention in hot-melt adhesive compositions. La présente invention concerne des poly-alpha-oléfines amorphes qui sont caractérisées en ce qu'elles présentent une viscosité à 190 °C inférieure à 5000 mPas, une distribution du poids moléculaire (Mw/Mn) de 3 à 8, un quotient Mz/Mw inférieur ou égal à 3,0 et un quotient Mz/Mn inférieur à 21,0, un procédé pour produire des poly-alpha-oléfines amorphes dégradées, en particulier les poly-alpha-oléfines amorphes selon l'invention, et l'utilisation des poly-alpha-oléfines selon l'invention ou fabriquées selon l'invention dans des compositions adhésives thermofusibles.