RUBBER COMPOSITION, MODIFIED DIENE POLYMER AND METHOD FOR PRODUCING MODIFIED DIENE POLYMER

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RUBBER COMPOSITION, MODIFIED DIENE POLYMER AND METHOD FOR PRODUCING MODIFIED DIENE POLYMER

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KAGEYAMA HIROKAZU / KIMURA KAZUSHI

The purpose of the present invention is to provide a rubber composition having excellent processability and silica dispersibility, a modified diene-based polymer, and a method for producing the modified diene-based polymer. The present invention provides: a rubber composition containing silica and a modified diene-based polymer having a group expressed by formula (I) and a group expressed by formula (II); the modified diene-based polymer; and a method for producing the same. In formula (I), X1 represents at least one type selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, X3 represents a hydrocarbon group, n3 represents 0 to 4, and X2 represents at least one type selected from the group consisting of a sulfone-based protecting group, a carbamate-based protecting group, and -(R-O)n4-H. In formula (II), R1-1 represents a divalent hydrocarbon group, R1-2 and R1-3 each independently represent a monovalent hydrocarbon group, m1 is 1 to 3, m2 is 0 to 2, m1+m2 is 3, and R1-4 represents a hydrogen atom or a hydrocarbon group.

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Title :

RUBBER COMPOSITION, MODIFIED DIENE POLYMER AND METHOD FOR PRODUCING MODIFIED DIENE POLYMER

Contributors:

KAGEYAMA HIROKAZU (author) / KIMURA KAZUSHI (author)

Publication date :

2020-07-30

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen