A method of producing a modified polymer that is capable of reducing heat build-up of a tire, and a modified polymer obtained by the method, a rubber composition including the modified polymer, and a pneumatic tire using the rubber composition, are provided. The method of producing the modified polymer includes modifying a conjugated diene polymer (A) with a nitrone compound (B) having a carboxy group, wherein the nitrone compound (B) is in particulate form, having an average major axis length of not greater than 50 μm.
METHOD OF PRODUCING MODIFIED POLYMER, MODIFIED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE
2018-09-20
Patent
Electronic Resource
English
IPC: | C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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