PSA CONTAINING OLEFIN BLOCK COPOLYMERS AND STYRENE BLOCK COPOLYMER

The invention relates to a 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 a-olefin, which can be obtained as a block copolymer by metallocene-catalyzed polymerization, and at least one styr...

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Bibliographic Details
Main Authors Eckhard PÜRKNER, Annie SEILER
Format Patent
LanguageEnglish
Spanish
Published 16.03.2018
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Summary:The invention relates to a 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 a-olefin, which can be obtained 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, and 0 to 40 wt% of additional additives, wherein the sum of the % shares should equal 100% and the tackifying resin is completely or partially a soft resin. La invención se refiere a un adhesivo termofusible estable en almacenamiento que contiene 15 a 70% en peso de una mezcla de al menos un copolímero a base de etileno y/o propileno y al menos una a-olefina con C4 a C20 que es obtenible como un copolímero en bloque mediante polimerización catalizada con metaloceno, y al menos un copolímero en bloque de estireno, 10 a 70% en peso de al menos una resina adherente, 0 a 40% en peso de aditivos adicionales, en donde el total de los porcentajes deberá sumar hasta 100% y la resina adherente es por completo o en parte una resina blanda.
Bibliography:Application Number: MX20140006138