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    MODIFIED CELLULOSE FIBERS
    3.
    发明申请
    MODIFIED CELLULOSE FIBERS 审中-公开

    公开(公告)号：US20190169314A1

    公开(公告)日：2019-06-06

    申请号：US15757700

    申请日：2016-09-05

    申请人： KAO CORPORATION

    发明人： Yutaka YOSHIDA ,  Shotaro SHIBATA ,  Yoshiaki KUMAMOTO ,  Takuma TSUBOI ,  Motoi KONISHI

    IPC分类号： C08B11/193 ,  C08L75/14 ,  C08L63/00 ,  C08L25/06 ,  C08L23/06 ,  C08L9/06 ,  C08L7/00

    摘要： Modified cellulose fibers, wherein each of (A) one or more substituents selected from substituents represented by the following general formula (1) and substituents represented by the following general formula (2): —CH2—CH(OH)—R1 (1); —CH2—CH(OH)—CH2—(OA)n-O—R1 (2), wherein each R1 in the general formula (1) and the general formula (2) is independently a linear or branched alkyl group having 3 or more carbon atoms and 30 or less carbon atoms; n in the general formula (2) is a number of 0 or more and 50 or less; and A is a linear or branched, divalent saturated hydrocarbon group having 1 or more carbon atoms and 6 or less carbon atoms, and (B) a substituent represented by the following general formula (3): —CH2—CH(OH)—R2 (3), wherein R2 in the general formula (3) is an alkyl group having 1 or more carbon atoms and 2 or less carbon atoms, is independently bonded to cellulose fibers via an ether bond, wherein the modified cellulose fibers have a cellulose I crystal structure. The resin composition blended with the modified cellulose fibers of the present invention can be suitably used in various industrial applications such as daily sundries, household electric appliance parts, wrapping materials for household electric appliance parts and automobile parts.

    ADDITIVE FOR RESINS
    4.
    发明申请
    ADDITIVE FOR RESINS 审中-公开

    公开(公告)号：US20180142088A1

    公开(公告)日：2018-05-24

    申请号：US15568730

    申请日：2016-04-22

    申请人： KAO CORPORATION

    发明人： Koichi KAWAMOTO ,  Motoi KONISHI ,  Toshihiro YANO ,  Hayato YOSHIKAWA

    IPC分类号： C08L9/06 ,  C08J3/20 ,  C12P7/22

    摘要： Provided are an abrasion resistance improver for inorganic filler-containing rubber composition capable of giving high abrasion resistance to a rubber composition containing an inorganic filler, a rubber composition containing the abrasion resistance improver for rubber composition, a tire using the rubber composition, and a method for producing the abrasion resistance improver for rubber composition. The present invention are concerned with [1] an abrasion resistance improver for inorganic filler-containing rubber composition, including, as an active ingredient, lignin having an aldehyde yield rate by alkaline nitrobenzene oxidation of 12% by mass or more; [2] a rubber composition containing the abrasion resistance improver as set forth above in [1], a rubber, and an inorganic filler; [3] a tire using the rubber composition as set forth above in [2]; [4] a method for producing an abrasion resistance improver for inorganic filler-containing rubber composition, including, as an active ingredient, lignin having an aldehyde yield rate by alkaline nitrobenzene oxidation of 12% by mass or more, the method including steps (A-1) to (A-3); and [5] a method for producing an abrasion resistance improver for inorganic filler-containing rubber composition, including, as an active ingredient, lignin having an aldehyde yield rate by alkaline nitrobenzene oxidation of 12% by mass or more, the method including steps (B-1) and (B-2).

    RUBBER COMPOSITION
    5.
    发明申请
    RUBBER COMPOSITION 审中-公开

    公开(公告)号：US20180244806A1

    公开(公告)日：2018-08-30

    申请号：US15757784

    申请日：2016-09-05

    申请人： KAO CORPORATION

    发明人： Yutaka YOSHIDA ,  Takuma TSUBOI ,  Shotaro SHIBATA ,  Yoshiaki KUMAMOTO ,  Motoi KONISHI

    IPC分类号： C08B11/193 ,  C08J3/00 ,  C08J5/06 ,  C08L9/06

    CPC分类号： C08B11/193 ,  B60C1/00 ,  C08B11/08 ,  C08J3/005 ,  C08J5/06 ,  C08J2309/06 ,  C08J2401/26 ,  C08L1/284 ,  C08L9/02 ,  C08L9/06 ,  C08L2205/16

    摘要： A rubber composition containing a rubber and modified cellulose fibers, wherein one or more substituents selected from substituents represented by the following general formulas (1) and (2): —CH2—CH(OH)—R1 (1), —CH2—CH(OH)—CH2—(OA)n—O—R1 (2), wherein each R1 in the general formulas (1) and (2) is independently a linear or branched alkyl group having 3 or more carbon atoms and 30 or less carbon atoms; n in the general formula (2) is a number of 0 or more and 50 or less; and A is a linear or branched, divalent saturated hydrocarbon group having 1 or more carbon atoms and 6 or less carbon atoms are bonded to cellulose fibers via an ether bond, wherein the modified cellulose fibers have a cellulose I crystal structure. The rubber composition of the present invention can be suitably used for machine tool parts, household electric appliance parts, automobile parts, and the like.