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1. 发明申请

US20160152790A1 NITRILE RUBBER COMPOSITION 审中-公开
标题翻译： NITRILE橡胶组合物
公开(公告)号：US20160152790A1
公开(公告)日：2016-06-02
申请号：US14904268
申请日：2014-06-18
申请人： NOK CORPORATION
发明人： Hiromitsu Yamoto , Eiji Komiya , Yuichi Aoyagi , Tomonori Furukawa , Tomohiro Kaise
IPC分类号： C08K3/04 , F16C33/82 , F16C33/76 , C08K5/40 , C08K5/13
CPC分类号： C08K3/04 , C08K5/13 , C08K5/40 , C08K2201/003 , C08K2201/014 , C08L9/02
摘要： A nitrile rubber composition comprising 5 to 50 parts by weight of carbon black, 5 to 60 parts by weight of graphite having an average particle diameter of 5 μm or less, 5 to 50 parts by weight of conductive carbon other than these carbon black and graphite, and 0.5 to 3.5 parts by weight of 2,5-di-tert-butylhydroquinone or 2,5-di-tert-amylhydroquinone as an antioxidant, based on 100 parts by weight of nitrile rubber. The nitrile rubber composition can yield a vulcanization molded product, besides maintaining characteristics as a conductive material, satisfying muddy water resistance, sealing properties, and low torque characteristics required for rolling bearing oil seals for vehicles, etc., and having a rubber volume change kept low when the product is washed with water after exposure to an antifreezing agent.
摘要翻译：一种腈橡胶组合物，其包含5至50重量份的炭黑，5至60重量份的平均粒径为5μm或更小的石墨，5至50重量份的除了这些炭黑和石墨之外的导电碳，和0.5〜3.5重量份的作为抗氧化剂的2,5-二叔丁基氢醌或2,5-二叔戊基氢醌，基于100重量份的丁腈橡胶。丁腈橡胶组合物除了保持作为导电材料的特性外，还可以得到硫化成型品，满足车辆用滚动轴承油封等所需的耐水泥性，密封性，低扭矩特性，并且保持橡胶体积变化当暴露于防冻剂后，产品用水洗涤时为低。

2. 发明授权

US10421865B2 Rubber-metal adhesive 有权
公开(公告)号：US10421865B2
公开(公告)日：2019-09-24
申请号：US15296900
申请日：2016-10-18
申请人： NOK Corporation
发明人： Taichi Kano , Tomohiro Kaise
IPC分类号： C09D1/04 , C23C22/02 , C08K3/36 , C08K5/56 , C08J5/12 , C09D7/20 , C09D7/43 , C09J7/20
摘要： A rubber metal adhesive can be coated by screen printing, and can be effectively used for metal surface treatment at the time of forming a rubber-metal complex excellent in water resistance and heat resistance. The rubber metal adhesive comprises an organometallic compound, silica, magnesium silicate hydrate, and an organic solvent represented by the following general formula (I): R—O—(CH2)2OH General formula (I) [wherein R represents an alkyl group having 3 or more carbon atoms or an aryl group.]

3. 发明申请

US20150274989A1 Metal Surface Processing Agent 有权
标题翻译：金属表面处理剂
公开(公告)号：US20150274989A1
公开(公告)日：2015-10-01
申请号：US14431265
申请日：2013-11-29
申请人： NOK CORPORATION
发明人： Taichi Kano , Tomohiro Kaise
IPC分类号： C09D7/00 , C08K5/56 , C08K3/36
摘要： An object is to provide a metal surface treatment agent which can be coated by screen printing, and can be effectively used for metal surface treatment at the time of forming a rubber-metal complex excellent in water resistance and heat resistance, and the object can be solved by a metal surface treatment agent which comprises an organometallic compound, silica, magnesium silicate hydrate, and an organic solvent represented by the following general formula (I): R—O—(CH2)2OH General formula (I) [wherein R represents an alkyl group having 3 or more carbon atoms or an aryl group.]
摘要翻译：本发明的目的是提供可通过丝网印刷涂布的金属表面处理剂，并且可以有效地用于形成耐水性和耐热性优异的橡胶 - 金属络合物时的金属表面处理，并且可以将目标物通过含有有机金属化合物，二氧化硅，硅酸镁水合物和由以下通式（I）表示的有机溶剂的金属表面处理剂溶解：R-O-（CH 2）2 OH通式（I）[其中R表示具有3个以上碳原子的烷基或芳基。]

4. 发明授权

US11472952B2 Rubber composition for anti-vibration rubber 有权
公开(公告)号：US11472952B2
公开(公告)日：2022-10-18
申请号：US16606632
申请日：2018-06-05
申请人： NOK CORPORATION
发明人： Akihiro Suzuki , Tomohiro Kaise
IPC分类号： C08L23/16 , C08K3/04 , F16F1/36 , F16F15/00 , F16F7/12
摘要： A rubber composition for anti-vibration rubber comprising, based on 100 parts by weight of ethylene-propylene-diene-based copolymer rubber (EPDM):
(A) 32 to 60 parts by weight of carbon black A having an average particle diameter of 60 to 100 nm, an iodine absorption amount of 14 to 23 g/kg, and a DBP oil absorption amount of 100 ml/100 g or more;
(B) 10 to 30 parts by weight of carbon black B having an average particle diameter of 40 to 50 nm, an iodine absorption amount of 35 to 49 g/kg, and a DBP oil absorption amount of 100 to 160 ml/100 g;
(C) 2 to 10 parts by weight of ethylene-α-olefin copolymer; and
(D) 0 to 16 parts by weight of silica. The rubber composition for anti-vibration rubber that has low dynamic magnification (small increase in elastic modulus associated with an increase in rubber deformation rate), excellent durability (bearing force against breakage due to repeated deformation of rubber), excellent heat resistance, etc., and that can be effectively used as a vulcanization molding material for a center bearing support, etc.

5. 发明授权

US10421864B2 Metal surface processing agent 有权
公开(公告)号：US10421864B2
公开(公告)日：2019-09-24
申请号：US14431265
申请日：2013-11-29
申请人： NOK Corporation
发明人： Taichi Kano , Tomohiro Kaise
IPC分类号： C23C22/02 , C09D1/04 , C08K3/36 , C08K5/56 , C08J5/12 , C09D7/20 , C09D7/43 , C09J7/20
摘要： An object is to provide a metal surface treatment agent which can be coated by screen printing, and can be effectively used for metal surface treatment at the time of forming a rubber-metal complex excellent in water resistance and heat resistance, and the object can be solved by a metal surface treatment agent which comprises an organometallic compound, silica, magnesium silicate hydrate, and an organic solvent represented by the following general formula (I): R—O—(CH2)2OH General formula (I) [wherein R represents an alkyl group having 3 or more carbon atoms or an aryl group.]

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