PSA CONTAINING OLEFIN BLOCK COPOLYMERS AND STYRENE BLOCK COPOLYMER

The invention relates to storage-stable hot-melt adhesive containing 15 to 70 wt % of a mixture of at least one copolymer based on ethylene and/or propylene and at least one C4 to C20 α-olefin which is obtainable as a block copolymer by metallocene-catalyzed polymerization, and at least one styrene...

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Bibliographic Details
Main Authors SEILER, Annie, PÜRKNER, Eckhard
Format Patent
LanguageEnglish
French
German
Published 07.10.2020
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DYES
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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Summary:The invention relates to storage-stable hot-melt adhesive containing 15 to 70 wt % of a mixture of at least one copolymer based on ethylene and/or propylene and at least one C4 to C20 α-olefin which is obtainable as a block copolymer by metallocene-catalyzed polymerization, and at least one styrene block copolymer, 10 to 70 wt % of at least one tackifying resin, 0 to 40 wt % of further additives, wherein the total of the percentages should amount to 100% and the tackifying resin is entirely or in part a soft resin.
Bibliography:Application Number: EP20120790893