公开(公告)号：US11884788B2

公开(公告)日：2024-01-30

申请号：US17433717

申请日：2020-02-21

Applicant: KURARAY CO., LTD.

Inventor： Toru Asada ,  Daisuke Koda ,  Shuhei Yorimitsu ,  Shinichi Takemoto ,  Hiroyuki Kawai

IPC: C08J5/24 ,  D06M15/693

CPC classification number: C08J5/246 ,  C08J5/249 ,  D06M15/693 ,  C08J2309/00

Abstract: Provided are reinforcing fibers using an adhesive component not containing resorcinol and formaldehyde, which are excellent in adhesiveness to rubber and which can be efficiently produced while preventing contamination of production facilities, and a method for producing them, as well as a molded article using them. The reinforcing fibers have an adhesive component that contains a conjugated diene rubber and an oil, in at least a part of the surfaces thereof, wherein the vapor pressure at 20° C. of the oil is 10 Pa or less.

公开(公告)号：US11124631B2

公开(公告)日：2021-09-21

申请号：US16329975

申请日：2017-09-01

Applicant: KURARAY CO., LTD.

Inventor： Hiromi Maeda ,  Daisuke Koda ,  Hiroshi Kanbara ,  Satomi Ohta

IPC: C08G18/73 ,  C08G18/10 ,  C08L9/06 ,  B60C1/00 ,  C08C19/25 ,  C08K3/04 ,  C08K3/36 ,  C08L15/00 ,  C08L21/00 ,  C08J3/24 ,  C08K3/013

Abstract: Disclosed herein is a rubber composition containing 100 parts by mass of a solid rubber (A), 0.1 to 50 parts by mass of a modified liquid diene rubber (B) having a functional group derived from a silane compound represented by the formula (1), and 20 to 200 parts by mass of a filler (C), the modified liquid diene rubber (B) satisfying (i) to (iii): (i) a weight average molecular weight (Mw) is not less than 1,000 and less than 15,000; (ii) a vinyl content is not more than 70 mol %; and (iii) an average number of functional groups per molecule of the modified liquid diene rubber (B) is 1 to 20.

公开(公告)号：US09732206B2

公开(公告)日：2017-08-15

申请号：US14390660

申请日：2013-04-02

Applicant: KURARAY CO., LTD. ,  AMYRIS, INC.

Inventor： Daisuke Koda ,  Kei Hirata

IPC: C08L9/06 ,  B60C1/00 ,  C08F236/08 ,  C08K3/04 ,  C08K3/36 ,  C08L47/00 ,  C08F236/22 ,  C08L21/00 ,  C08F236/20 ,  C08L7/00

CPC classification number: C08L9/06 ,  B60C1/00 ,  C08F236/08 ,  C08F236/20 ,  C08F236/22 ,  C08K3/013 ,  C08K3/04 ,  C08K3/06 ,  C08K3/22 ,  C08K3/36 ,  C08K5/548 ,  C08K2003/2296 ,  C08K2201/005 ,  C08L7/00 ,  C08L9/00 ,  C08L21/00 ,  C08L47/00 ,  C08L2205/02 ,  C08L2205/03 ,  Y02T10/862 ,  C08F4/48 ,  C08K3/0033

Abstract: The present invention relates to a copolymer including a monomer unit (a) derived from isoprene and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing isoprene with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof.

公开(公告)号：US20150057403A1

公开(公告)日：2015-02-26

申请号：US14390581

申请日：2013-04-02

Applicant: KURARAY CO., LTD. ,  AMYRIS, INC.

Inventor： Daisuke Koda ,  Kei Hirata

IPC: C08F236/22 ,  C08L7/00 ,  C08L9/06 ,  C08F236/06

CPC classification number: C08F236/22 ,  B60C1/00 ,  C08F236/04 ,  C08F236/06 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L9/06 ,  C08L21/00 ,  C08L47/00 ,  C08L2205/02 ,  C08L2205/03 ,  Y02T10/862 ,  C08F4/48 ,  C08K3/0033

Abstract: The present invention relates to a copolymer including a monomer unit (a) derived from a conjugated diene having not more than 12 carbon atoms and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing a conjugated diene having not more than 12 carbon atoms with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof.

Abstract translation: 本发明涉及包含衍生自不超过12个碳原子的共轭二烯的单体单元（a）和由法呢烯衍生的单体单元（b））的共聚物; 至少包括具有12个以下碳原子的共轭二烯与法呢烯共聚的工序; 橡胶组合物，其包含（A）共聚物，（B）橡胶组分和（C）炭黑; 包含（A）共聚物，（B）橡胶组分和（D）二氧化硅的橡胶组合物; 橡胶组合物，其包含（A）共聚物，（B）橡胶组分，（C）炭黑和（D）二氧化硅; 以及至少作为其一部分使用该橡胶组合物的轮胎。