公开(公告)号：US20160122944A1

公开(公告)日：2016-05-05

申请号：US14894079

申请日：2014-05-28

Applicant: BRIDGESTONE CORPORATION

Inventor： Shinichi MUSHA ,  Yoshihiko KANATOMI ,  Junichi YAMAGISHI

IPC: D07B1/16 ,  B05D3/10

CPC classification number: D07B1/162 ,  B05D3/102 ,  B60C9/0007 ,  B60C2009/0021 ,  C25D5/48 ,  C25D7/0607 ,  D07B1/0666 ,  D07B2205/2075 ,  D07B2205/3089 ,  D07B2801/18

Abstract: Provide are a rubber composition which is excellent in an initial adhesive property and a hygrothermal adhesive property with metals, a rubber-metal composite suited to rubber articles such as tires for automobiles, industrial belts and the like to which a strength is required, and a production method for the same. The metal cord-rubber composite of the present invention is prepared by coating a metal cord with a rubber composition, wherein an N atom on a surface of the metal cord accounts for 2 atomic % or more and 60 atomic % or less, and a Cu/Zn ratio is 1 or more and 4 or less.

Abstract translation: 提供一种橡胶组合物，其具有优异的初始粘合性和与金属的湿热粘合性，适用于需要强度的汽车用轮胎，工业皮带等的橡胶制品的橡胶 - 金属复合材料，以及 生产方法相同。 本发明的金属帘线 - 橡胶复合材料通过用橡胶组合物涂覆金属帘线来制备，其中金属帘线表面上的N原子占2原子％以上且60原子％以下，Cu / Zn比为1以上且4以下。

公开(公告)号：US20170101736A1

公开(公告)日：2017-04-13

申请号：US15128544

申请日：2015-04-06

Applicant: BRIDGESTONE CORPORATION

Inventor： Shinichi MUSHA ,  Junichi YAMAGISHI

IPC: D07B1/06

CPC classification number: D07B1/0666 ,  B60C9/0007 ,  B60C2009/0014 ,  B65G15/56 ,  C22C9/04 ,  D07B2205/3089 ,  F16L11/08 ,  D07B2801/18

Abstract: This disclosure is to provide a brass-plated steel wire for reinforcing a rubber article, which is capable of improving overvulcanization adhesiveness. This disclosure is a brass-plated steel wire for reinforcing a rubber article, wherein: when measured with XPS (X-ray photoelectron spectroscopy), an outermost surface contains zinc at an amount of 4.93 to 14 atom %, and contains oxygen at an amount of 50 atom % or less; and in the outermost surface, an atomic ratio of copper to zinc is more than 2.33 and 6 or less.

公开(公告)号：US20170121904A1

公开(公告)日：2017-05-04

申请号：US15301581

申请日：2015-04-06

Applicant: BRIDGESTONE CORPORATION

Inventor： Shinichi MUSHA ,  Yoshihiko KANATOMI ,  Junichi YAMAGISHI

IPC: D07B1/06 ,  C08J5/00

Abstract: This disclosure is to provide a brass-plated steel wire for reinforcing a rubber article, which is capable of improving the initial adhesiveness, heat-resistant adhesiveness and initial adhesion rate. This disclosure is a brass-plated steel wire for reinforcing a rubber article, wherein: when measured with XPS (X-ray photoelectron spectroscopy), an outermost surface contains zinc at an amount of 4.8 atom % or less, phosphorus at an amount of 0.5 atom % or more, and oxygen at an amount of 50 atom % or less; and in the outermost surface, an atomic ratio of copper to zinc is 1 to 6.

公开(公告)号：US20240209192A1

公开(公告)日：2024-06-27

申请号：US18551866

申请日：2022-03-22

Applicant: BRIDGESTONE CORPORATION

Inventor： Kazunori KANEDA ,  Junichi YAMAGISHI ,  Kosuke SAITO

IPC: C08L21/00 ,  B60C1/00 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08K5/09 ,  C08K5/25 ,  C08K5/3415 ,  C08K5/41 ,  C08K5/55

CPC classification number: C08L21/00 ,  B60C1/00 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08K5/09 ,  C08K5/25 ,  C08K5/3415 ,  C08K5/41 ,  C08K5/55

Abstract: A rubber composition comprises: a rubber component; 0.01 parts by mass or more of a rubber-metal adhesion promoter per 100 parts by mass of the rubber component, the rubber-metal adhesion promoter containing at least one selected from the group consisting of a carboxylic acid metal salt (1) having a carbon number of 2 to 25 and a metal species selected from the group consisting of bismuth, copper, antimony, silver, niobium, and zirconium and a compound (2) represented by formula (A); and 4,4′-diphenylmethanebismaleimide. The use of the rubber composition enables obtainment of vulcanized rubber having 10 good deterioration resistance, excellent durability, and excellent rubber-metal thermal deterioration adhesiveness.

公开(公告)号：US20170233557A1

公开(公告)日：2017-08-17

申请号：US15514620

申请日：2015-09-28

Applicant: BRIDGESTONE CORPORATION

Inventor： Junichi YAMAGISHI ,  Shinichi MUSHA ,  Yoshihiko KANATOMI

IPC: C08L7/00 ,  C08G8/22

CPC classification number: C08L7/00 ,  B60C1/00 ,  C08G8/22 ,  C08K3/04 ,  C08K3/22 ,  C08K2003/2296 ,  C08K2201/006 ,  C08K2201/014 ,  C08L9/00 ,  C08L21/00 ,  C08L61/12

Abstract: The rubber composition of the present invention is prepared by mixing a rubber component (A), zinc oxide (B), and a co-condensate (C) having a softening point of 150° C. or lower and containing a p-tert-butylphenol-derived constituent unit represented by the following formula (1), an o-phenylphenol-derived constituent unit represented by the following formula (2) and a resorcinol-derived constituent unit represented by the following formula (3), wherein the nitrogen adsorption specific surface area (N2SA) of the zinc oxide (B) measured according to the BET method is 6 m2/g or more and 110 m2/g or less, the mixing amount of the zinc oxide (B) is 5 parts by mass or more and 13 parts by mass or less based on 100 parts by mass of the rubber component (A), and the mixing amount of the co-condensate (C) is 0.1 parts by mass or more and 10 parts by mass or less based on 100 parts by mass of the rubber component (A). The co-condensate (C) is usable as a replacement for p-tert-octylphenol and p-nonylphenol, has a softening point lower than the maximum temperature in a rubber processing step, and has excellent dispersibility in rubber.