公开(公告)号：EP3124533A4

公开(公告)日：2017-03-08

申请号：EP15769828

申请日：2015-03-13

Applicant: ZEON CORP

Inventor： KATADA ARINOBU ,  FUKUMINE YOSHIO ,  SHIONO ATSUHIRO

IPC: C08L9/02 ,  C08F220/44 ,  C08F236/06 ,  C08F236/12 ,  C08J3/24 ,  C08K5/17 ,  C08K5/205 ,  C08L13/00 ,  F16J15/10

CPC classification number: C08J3/24 ,  C08F220/44 ,  C08F236/12 ,  C08J2309/02 ,  C08K5/17 ,  C08K5/205 ,  C08L13/00 ,  C08L15/005 ,  C08F236/06 ,  C08F2220/281 ,  C08F222/02

Abstract: The present invention provides a cross-linked rubber that is excellent in both fuel oil resistance and cold resistance. A cross-linkable rubber composition in accordance with the present invention contains: a nitrile group-containing copolymer rubber [A] including less than 30 wt% ±,²-ethylenically unsaturated nitrile monomer units (a1), conjugated diene monomer units (b1), and ±,²-ethylenically unsaturated dicarboxylic acid monoester monomer units (d1), wherein at least part of the conjugated diene monomer units (b1) is hydrogenated; a nitrile group-containing copolymer rubber [B] including not less than 30 wt% ±,²-ethylenically unsaturated nitrile monomer units (a2) and conjugated diene monomer units (b2), wherein at least part of the conjugated diene monomer units (b2) may be hydrogenated; and an amine-based cross-linking agent.

Abstract translation: 本发明提供耐燃料油性和耐寒性优异的交联橡胶。 本发明的交联性橡胶组合物含有：含有少于30重量％的苯乙烯系不饱和腈单体单元（a1），共轭二烯单体单元（b1） 和 - ， - 乙烯属不饱和二羧酸单酯单体单元（d1），其中至少部分共轭二烯单体单元（b1）被氢化; （a2）和共轭二烯单体单元（b2）含有30重量％以上的含腈基共聚物橡胶[B]，共轭二烯单体单元的至少一部分（b2） ）可以被氢化; 和基于胺的交联剂。

公开(公告)号：EP2949696A4

公开(公告)日：2016-08-24

申请号：EP14743218

申请日：2014-01-23

Applicant: ZEON CORP

Inventor： KATADA ARINOBU

IPC: C08L9/02 ,  C08K5/00 ,  C08K5/098 ,  C08K5/103 ,  C08K5/14 ,  C09K3/10 ,  C09K8/50 ,  F16J15/32

CPC classification number: C08F290/128 ,  C08K5/0025 ,  C08K5/098 ,  C08K5/103 ,  C08K5/14 ,  C09K3/10 ,  C09K8/50 ,  C09K2003/1068 ,  C09K2200/0607 ,  E21B41/00 ,  F16J15/32 ,  F16J15/3284 ,  C08L9/02 ,  C08L33/18

Abstract: A cross-linkable rubber composition for a seal material which is used at an oilfield or gas well comprising a nitrile group-containing copolymer rubber (A) which contains ±,²-ethylenically unsaturated nitrile monomer units 10 to 60 wt% and has an iodine value of 120 or less, an ±,²-ethylenically unsaturated carboxylic acid metal salt (B), and an organic peroxide cross-linking agent (C) is provided. According to the present invention, it is possible to provide a rubber composition which is excellent in shapeability, is high in durability against hydrogen sulfide and other corrosive gases, and is suitable for application as a seal material which is used at an oilfield or gas well.

公开(公告)号：EP2977388A4

公开(公告)日：2016-08-17

申请号：EP14770953

申请日：2014-03-20

Applicant: ZEON CORP

Inventor： KATADA ARINOBU ,  SAKAMOTO MASATO

IPC: C08C19/00 ,  B01J31/00 ,  C08C19/02 ,  C08C19/08 ,  C08C19/36 ,  C08C19/38 ,  C08L9/02

CPC classification number: C08F236/12 ,  B01J31/00 ,  B60C1/00 ,  C08C19/02 ,  C08C19/08 ,  C08C19/28 ,  C08C19/36 ,  C08C19/38 ,  C08C2019/09 ,  C08F2/38

Abstract: A nitrile group-containing copolymer rubber which has a hydroxyl group, carboxyl group, or carbon-carbon double bond at an end carbon atom or on a carbon atom which bonds with the end carbon atom is provided. The nitrile group-containing copolymer rubber of the present invention is preferably obtained by a metathesis reaction. According to the present invention, a nitrile group-containing copolymer rubber which is excellent in cross-linkability can be provided.

Abstract translation: 提供了在末端碳原子上或与末端碳原子键合的碳原子上具有羟基，羧基或碳 - 碳双键的含腈基的共聚物橡胶。 本发明的含腈基的共聚物橡胶优选通过复分解反应获得。 根据本发明，可以提供交联性优异的含腈基的共聚物橡胶。

公开(公告)号：EP3173440A4

公开(公告)日：2018-03-14

申请号：EP15824034

申请日：2015-07-22

Applicant: ZEON CORP

Inventor： KATADA ARINOBU

IPC: C08K3/04 ,  B82Y30/00 ,  C08K5/00 ,  C08K5/17 ,  C08K5/18 ,  C08K5/205

CPC classification number: C08K3/04 ,  B82Y30/00 ,  C08K3/013 ,  C08K3/041 ,  C08K5/0025 ,  C08K5/17 ,  C08K5/18 ,  C08K5/205 ,  C08K2201/006 ,  C08K2201/011 ,  Y10S977/75 ,  Y10S977/752 ,  C08L15/005 ,  C08L9/02 ,  C08L13/00

Abstract: Provided is a crosslinked rubber having excellent workability and heat resistance, and a crosslinkable rubber composition that can be used to form the crosslinked rubber. The crosslinkable rubber composition contains: a rubber including a carboxyl group-containing ethylenically unsaturated monomer unit; an amine-based crosslinking agent having a melting point of at least 50°C and no higher than 180°C; and one or more carbon nanotubes. The crosslinked rubber is obtainable through crosslinking of the crosslinkable rubber composition. The carbon nanotubes preferably have a BET specific surface area of from 600 m 2 /g to 2,000 m 2 /g.

公开(公告)号：EP2937383A4

公开(公告)日：2016-07-27

申请号：EP13864244

申请日：2013-12-19

Applicant: ZEON CORP

Inventor： KATADA ARINOBU

IPC: C08L13/00 ,  C08K5/17 ,  C08L9/02

CPC classification number: C08L9/02 ,  C08K5/17 ,  C08L13/00 ,  C08L2205/025 ,  C08L2312/00

Abstract: A nitrile rubber composition which contains a carboxyl group-containing nitrile rubber (A), a liquid nitrile rubber (B), and a polyamine-based cross-linking agent (C) is provided. In the nitrile rubber composition of the present invention, preferably the carboxyl group-containing nitrile rubber (A) has an iodine value of 120 or less. Further, in the nitrile rubber composition of the present invention, preferably the carboxyl group-containing nitrile rubber (A) contains ±,²-ethylenically unsaturated nitrile monomer units 5 to 60 wt%, carboxyl group-containing monomer units 0.1 to 20 wt%, and conjugated diene monomer units 15 to 94.9 wt%.

公开(公告)号：EP2822067A4

公开(公告)日：2015-12-16

申请号：EP13755808

申请日：2013-03-01

Applicant: ZEON CORP

Inventor： FUKUMINE MAYUMI ,  KOBAYASHI KEI ,  KATADA ARINOBU

IPC: H01M4/13 ,  H01M4/62 ,  H01M10/052

CPC classification number: H01M4/623 ,  H01M4/13 ,  H01M4/622 ,  H01M4/624 ,  H01M10/052 ,  H01M10/0525 ,  H01M2220/30

Abstract: [Problem] To provide a positive electrode which exhibits excellent flexibility and binding properties even when designed having a high density and/or a high thickness, and which exhibits a high density even before pressing, and a secondary battery exhibiting excellent cycle characteristics (particularly high-temperature cycle characteristics). [Solution] A positive electrode for a secondary battery according to the present invention is characterized in that: said electrode comprises a collector and a positive electrode active material layer which is stacked upon the collector, and which includes a positive electrode active material, a conductive agent, and a binder; the binder includes a first polymer and a second polymer; the first polymer is a fluorine-containing polymer; the second polymer includes a polymerized moiety having a nitrile group, a polymerized moiety having a hydrophilic group, a polymerized (meth) acrylic acid ester moiety, and a straight-chain polymerized alkylene moiety having a carbon number of at least 4; the proportion of the first polymer and the second polymer in the binder, expressed as a mass ratio, is in the range of 95:5 to 5:95.