A modified conjugated diene-based polymer is produced by reacting a conjugated diene-based polymer having an alkali metal or an alkali-earth metal at a terminal of the polymer with a compound represented by formula (1). R 1 and R 2 independently represent a hydrocarbyl group having 20 or fewer carbon atoms. R 3 represents a substituted alkyl group having 20 or fewer carbon atoms prepared through substitution of at least one of a hydrogen atom and -CH 2 - of an alkyl group by a group containing only at least one heteroatom selected from the group consisting of nitrogen, phosphorus, oxygen, and sulfur, or a monovalent aromatic group having 20 or fewer carbon atoms and containing at least one element selected from the group consisting of nitrogen, phosphorus, oxygen, and sulfur, with the proviso that R 3 does not have active hydrogen. R 4 represents an alkanediyl group having 20 or fewer carbon atoms. n is 1 or 2


    Access

    Download


    Export, share and cite



    Title :

    MODIFIED CONJUGATED DIENE POLYMER, METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER, POLYMER COMPOSITION, CROSSLINKED POLYMER, AND TIRE


    Contributors:

    Publication date :

    2018-02-22


    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 / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS