Rheology-modified substantially gel-free thermoplastic elastomer composition and its process for preparation and use

Rheology-modified TPE compositions are prepared by peroxide modification of a melt blend of an EAO polymer or EAO polymer blend and a high melting polymer such as polypropylene or a propylene/ -olefin copolymer. The resulting compositions have an elastomeric phase, a non-elastomeric phase and certai...

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Bibliographic Details
Main Authors PARIKH, DEEPAK RASIKLAL, WEAVER, LAURA BAUERLE, HECK, HENRY GEORGE, BETHEA, JAMES ROBERT, MEISKE, LARRY ALAN
Format Patent
LanguageEnglish
Published 01.05.2001
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Rheology-modified TPE compositions are prepared by peroxide modification of a melt blend of an EAO polymer or EAO polymer blend and a high melting polymer such as polypropylene or a propylene/ -olefin copolymer. The resulting compositions have an elastomeric phase, a non-elastomeric phase and certain physical properties that exceed those of a like composition that is not rheology-modified or of the same composition prior to rheology modification. The compositions can be used to make a variety of articles of manufacture, such as automotive parts, non-automotive parts, roofing membranes, and boot shafts, via conventional procedures.
Bibliography:Application Number: TW199887101119