Hydrogenated Diene Polymer, Bale, Rubber Composition, and Tire

The present invention provides a hydrogenated diene polymer, having a branch number (Bn) measured by viscosity detector-equipped GPC-light scattering measurement of 1.5 or more, satisfying the following expression (S) assuming that component ratios (mol %) of a structural unit represented by the fol...

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Bibliographic Details
Main Authors Yasumoto, Atsushi, Matsuoka, Daigo, Sumitani, Shogo
Format Patent
LanguageEnglish
Published 04.04.2024
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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Summary:The present invention provides a hydrogenated diene polymer, having a branch number (Bn) measured by viscosity detector-equipped GPC-light scattering measurement of 1.5 or more, satisfying the following expression (S) assuming that component ratios (mol %) of a structural unit represented by the following formula (1), a structural unit represented by the following formula (2), a structural unit represented by the following formula (3), and a structural unit represented by the following formula (4) are respectively a, b, c, and d, and having a hydrogenation rate of 40 to 85%:10≤[(a+b)/(a+b+c+d)]×100≤70  Expression (S):
Bibliography:Application Number: US202118266016