Rubber composition for heavy-duty tire, and tire

A rubber composition for heavy-duty tires with which a heavy-duty tire can be produced that exhibits both low heat generation properties and excellent wear resistance, and a tire tread, a bead filler, a tire belt and a heavy-duty tire using said rubber composition in a portion thereof are provided....

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Bibliographic Details
Main Authors KODA, DAISUKE, KANBARA, HIROSHI
Format Patent
LanguageChinese
English
Published 01.06.2019
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DEVICES OR ARRANGEMENTS RELATED TO TYRES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
TYRE CHANGING OR REPAIRING
TYRE INFLATION
VEHICLE TYRES
VEHICLES IN GENERAL
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Summary:A rubber composition for heavy-duty tires with which a heavy-duty tire can be produced that exhibits both low heat generation properties and excellent wear resistance, and a tire tread, a bead filler, a tire belt and a heavy-duty tire using said rubber composition in a portion thereof are provided. This rubber composition for a heavy-duty tire contains, for 100 parts by mass of a solid rubber (A), 0.1-50 parts by mass of a modified liquid diene rubber (B) having a functional group derived from a silane compound having a specific structure, and 20-200 parts by mass of a filler (C), wherein the modified liquid diene rubber (B) satisfies (i) and (ii) below. (i) The weight average molecular weight (Mw) is 1,000 to 120,000 (ii) The vinyl content is less than 30 mol%.
Bibliography:Application Number: TW20187130498