METHOD FOR IMPROVING tandelta AND ANTIVIBRATION PROPERTY OF BUTYL RUBBER CROSSLINKED ARTICLE

PROBLEM TO BE SOLVED: To enhance antivibration properties of a butyl rubber by making it possible to crosslink the butyl rubber with an organic peroxide. SOLUTION: Antivibration properties are improved by raising tanδ of a butyl rubber crosslinked article, using a modified butyl rubber composition c...

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Bibliographic Details
Main Authors ASHIURA MAKOTO, KAWAMO TETSUJI
Format Patent
LanguageEnglish
Published 03.07.2008
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:PROBLEM TO BE SOLVED: To enhance antivibration properties of a butyl rubber by making it possible to crosslink the butyl rubber with an organic peroxide. SOLUTION: Antivibration properties are improved by raising tanδ of a butyl rubber crosslinked article, using a modified butyl rubber composition comprising a modified butyl rubber obtained by reacting the butyl rubber with (a) a compound having a nitroxide free radical which is stable at room temperature in its molecule, (b) a radical initiator, and (c) a bi- or multi-functional radically polymerizable monomer in the presence of oxygen, or modifying by reacting the butyl rubber with (a) a compound having a nitroxide free radical which is stable at room temperature in its molecule, and (b) a radical initiator in the presence of oxygen. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20080057004