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    Functionalized polymer, rubber composition and pneumatic tire
    1.
    发明授权
    Functionalized polymer, rubber composition and pneumatic tire 有权

    公开(公告)号：US11492426B2

    公开(公告)日：2022-11-08

    申请号：US16987521

    申请日：2020-08-07

    申请人： The Goodyear Tire & Rubber Company

    发明人： Seth Cody Ensign ,  Robert Alan Woloszynek

    IPC分类号： C08C19/22 ,  C08C19/28 ,  C08C19/00 ,  C08F136/06 ,  C08L9/00 ,  C08L15/00

    摘要： A functionalized elastomer comprising the reaction product of a living elastomeric polymer and a polymerization terminator of formula I [R1]n—B—[X—R2]m  I where B is boron; X is oxygen or nitrogen; R1 is independently vinyl, oxiranyl, phenyl, 1-alkenyl of 2 to 8 carbon atoms, alkyl of 1 to 8 carbon atoms including at least one halogen atom, 1-alkenyl of 2 to 8 carbon atoms including at least one halogen or one hydrogen; R2 is independently C1 to C8 alkyl, C8 to C14 aryl; or when m>1 R2 may be taken together to form a substituted or unsubstituted cyclic structure comprising 2 to 16 carbon atoms where the cyclic structure may be heterocyclic or non-heterocyclic; n is 1 or 2, m is 1 or 2, and n+m=3.

    Functionalized aluminum reagents
    2.
    发明授权
    Functionalized aluminum reagents 有权

    公开(公告)号：US10968239B2

    公开(公告)日：2021-04-06

    申请号：US16400088

    申请日：2019-05-01

    申请人： The Goodyear Tire & Rubber Company

    发明人： Margaret Flook Vielhaber ,  Seth Cody Ensign

    IPC分类号： C07F7/10 ,  C08K5/56 ,  C08F36/06

    摘要： The invention is directed to functionalized aluminum reagents of formula 1 where R is a linear or branched alkane group containing 1 to 8 carbon atoms, and R1 is phenylene, or a linear or branched alkane diyl group containing 2 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing 1 to 10 carbon atoms; Q is of formula 2 where R5, R6 and R7 are independently a linear or branched alkyl group containing 1 to 3 carbon atoms or a group of formula 3 where R3 and R4 are independently phenyl or a linear or branched alkyl group containing 1 to 10 carbon atoms, or R3 and R4 taken together with the nitrogen atom represent a nitrogen containing heterocyclic group containing from 4 to 12 carbon atoms; or R5, R6 and R7 taken together with the silicon atom represent a structure of formula 4 where R8 is C1 to C4 linear or branched alkanediyl and Z is N or a group of formula 5 wherein R13 is C1 to C8 alkyl.

    Method of making a functionalized elastomer, elastomer, rubber composition and tire
    8.
    发明授权
    Method of making a functionalized elastomer, elastomer, rubber composition and tire 有权

    公开(公告)号：US11352455B2

    公开(公告)日：2022-06-07

    申请号：US16793192

    申请日：2020-02-18

    申请人： The Goodyear Tire & Rubber Company

    发明人： Seth Cody Ensign ,  Margaret Flook Vielhaber

    IPC分类号： C08F136/04 ,  C08F36/04 ,  C08F4/54 ,  B60C1/00

    摘要： The present invention is directed to a method of making a functionalized elastomer, comprising the step of polymerizing a conjugated diene monomer in the presence of a lanthanide-based coordination polymerization catalyst activated with a functionalized aluminum reagent of formula 1 where R is a linear or branched alkane group containing 1 to 8 carbon atoms, and R1 is phenylene, or a linear or branched alkane diyl group containing 2 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing 1 to 10 carbon atoms; Q is of formula 2 where R5, R6 and R7 are independently a linear or branched alkyl group containing 1 to 3 carbon atoms or a group of formula 3 where R3 and R4 are independently phenyl or a linear or branched alkyl group containing 1 to 10 carbon atoms, or R3 and R4 taken together with the nitrogen atom represent a nitrogen containing heterocyclic group containing from 4 to 12 carbon atoms; or R5, R6 and R7 taken together with the silicon atom represent a structure of formula 4 where R8 is C1 to C4 linear or branched alkanediyl and Z is N or a group of formula 5 wherein R13 is C1 to C8 alkyl.

    METHOD OF MAKING A FUNCTIONALIZED ELASTOMER, ELASTOMER, RUBBER COMPOSITION AND TIRE
    10.
    发明申请
    METHOD OF MAKING A FUNCTIONALIZED ELASTOMER, ELASTOMER, RUBBER COMPOSITION AND TIRE 审中-公开

    公开(公告)号：US20200347162A1

    公开(公告)日：2020-11-05

    申请号：US16793192

    申请日：2020-02-18

    申请人： The Goodyear Tire & Rubber Company

    发明人： Seth Cody Ensign ,  Margaret Flook Vielhaber

    IPC分类号： C08F136/04 ,  B60C1/00

    摘要： The present invention is directed to a method of making a functionalized elastomer, comprising the step of polymerizing a conjugated diene monomer in the presence of a lanthanide-based coordination polymerization catalyst activated with a functionalized aluminum reagent of formula 1 where R is a linear or branched alkane group containing 1 to 8 carbon atoms, and R1 is phenylene, or a linear or branched alkane diyl group containing 2 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing 1 to 10 carbon atoms; Q is of formula 2 where R5, R6 and R7 are independently a linear or branched alkyl group containing 1 to 3 carbon atoms or a group of formula 3 where R3 and R4 are independently phenyl or a linear or branched alkyl group containing 1 to 10 carbon atoms, or R3 and R4 taken together with the nitrogen atom represent a nitrogen containing heterocyclic group containing from 4 to 12 carbon atoms; or R5, R6 and R7 taken together with the silicon atom represent a structure of formula 4 where R8 is C1 to C4 linear or branched alkanediyl and Z is N or a group of formula 5 wherein R13 is C1 to C8 alkyl.