公开(公告)号：US20170327672A1

公开(公告)日：2017-11-16

申请号：US15527948

申请日：2015-11-20

Applicant: ZEON CORPORATION

Inventor： Sayaka INOUE ,  Tomonori NAKASHIMA

IPC: C08L15/00 ,  C08J3/26 ,  C08L13/02 ,  C08L9/04 ,  C08K5/13 ,  C08K5/00

CPC classification number: C08L15/005 ,  C08J3/26 ,  C08J2415/00 ,  C08K5/0025 ,  C08K5/13 ,  C08K7/02 ,  C08L9/02 ,  C08L9/04 ,  C08L13/02 ,  C08L2312/02 ,  C08L77/10 ,  C08K5/14

Abstract: A nitrile rubber composition comprising a highly saturated nitrile rubber (A) containing α,β-ethylenically unsaturated nitrile monomer units in a ratio of 8 to 60 wt % and having an iodine value of 120 or less and an alkylated phenol compound (B), wherein a ratio of content of the alkylated phenol compound (B) with respect to a total of the highly saturated nitrile rubber (A) and the alkylated phenol compound (B) is 0.01 to 1 wt %, and a difference (η2−η1) between a plasticity number η2 after storage at 70° C. for 7 days in a state of an aqueous dispersion by being dispersed in water and a plasticity number η1 before the storage is 12 or less is provided.

公开(公告)号：US20170088700A1

公开(公告)日：2017-03-30

申请号：US15128163

申请日：2015-03-24

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA ,  Hiroyasu NAGAMORI ,  Sayaka INOUE

IPC: C08L15/00 ,  C08J5/02 ,  A41D19/00 ,  B29C41/00 ,  A61B42/10 ,  C08C19/02 ,  B29C41/14

CPC classification number: C08L15/005 ,  A41D19/0082 ,  A61B42/10 ,  B29C41/003 ,  B29C41/14 ,  B29K2019/00 ,  B29K2105/0064 ,  B29L2031/4864 ,  C08C19/02 ,  C08J5/02 ,  C08J2309/04 ,  C08L9/04 ,  C08L13/02 ,  C08L15/00

Abstract: A dip-molding composition of the present invention contains a latex (A) of a nitrile-group-containing highly saturated copolymer rubber (a). The nitrile-group-containing highly saturated copolymer rubber (a) contains an α,β-ethylenically unsaturated nitrile monomer unit and a conjugated diene monomer unit, and being obtained by hydrogenating at least part of the conjugated diene monomer unit. A dip-molded article of the present invention is produced by dip molding of the above dip-molding composition

公开(公告)号：US20190016889A1

公开(公告)日：2019-01-17

申请号：US16068710

申请日：2017-01-10

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA

IPC: C08L77/06 ,  C08L77/02 ,  C08C19/36

Abstract: A method for producing a thermoplastic elastomer composition, the method including the step of dynamically cross-linking a highly saturated nitrile rubber in the presence of a polyamide-based polymer and a polyamine cross-linking agent. The highly saturated nitrile rubber contains an α,β-ethylenically unsaturated nitrile monomer unit and an α,β-ethylenically unsaturated dicarboxylic acid monoester monomer unit and has an iodine value of 120 or less.

公开(公告)号：US20170152375A1

公开(公告)日：2017-06-01

申请号：US15321925

申请日：2015-06-23

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA

IPC: C08L15/00 ,  F16J15/02

CPC classification number: C08L15/005 ,  C08L9/02 ,  C08L33/20 ,  C08L77/00 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2312/00 ,  C09K3/10 ,  F16J15/022

Abstract: A rubber obtained by cross-linking a highly saturated nitrile rubber composition has a carboxyl group-containing highly saturated nitrile rubber (A1) containing 15 to 60 wt % of α,β-ethylenically unsaturated nitrile monomer units and 1 to 60 wt % of α,β-ethylenically unsaturated dicarboxylic acid monoester monomer units and having an iodine value ≦120, a highly saturated nitrile rubber (A2) containing α,β-ethylenically unsaturated nitrile monomer units in 15 to 60 wt %, having a content of α,β-ethylenically unsaturated dicarboxylic acid monoester monomer units of 0.9 wt % or less, and an iodine value of 120 or less, a polyamide resin having a melting point ≧150° C., and a cross-linking agent. In the composition, a weight ratio of “(A1):(A2)” is 5:95 to 95:5 in range, a weight ratio of “total of (A1) and (A2):polyamide resin” is 95:5 to 50:50, and a storage elastic modulus of the cross-linked rubber at 150° C. is 5 MPa or more.

公开(公告)号：US20170101558A1

公开(公告)日：2017-04-13

申请号：US15127824

申请日：2015-03-25

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA ,  Osamu SENDA

IPC: C09J109/04 ,  B32B7/12 ,  B32B25/10 ,  C08L9/04

CPC classification number: C09J109/04 ,  B32B7/12 ,  B32B25/10 ,  B32B2255/10 ,  B32B2255/26 ,  C08C19/02 ,  C08F236/12 ,  C08K7/02 ,  C08L9/04 ,  C09J161/14 ,  C08F2/38

Abstract: A latex of a highly saturated nitrile rubber wherein the highly saturated nitrile rubber contains α,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt %, has an iodine value of 120 or less, and has a weight average molecular weight of solubles in chloroform of 100,000 or less, and when removing volatiles contained in the latex and making a film of the highly saturated nitrile rubber, a loss tangent tan δ(50° C.) at 50° C. of the film is 0.3 to 0.6 and a complex torque S* at the time of 100% shear strain at 100° C. of the film is 20 dNm or less, and an adhesive composition containing the latex are provided.

公开(公告)号：US20170037224A1

公开(公告)日：2017-02-09

申请号：US15106929

申请日：2014-12-22

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA ,  Sayaka INOUE

IPC: C08L9/02 ,  F16G5/20 ,  F16G1/28 ,  F16G5/04 ,  C08K7/02 ,  F16G1/06

CPC classification number: C08L9/02 ,  C08F236/12 ,  C08K5/17 ,  C08K7/02 ,  C08K2201/004 ,  C08L13/00 ,  F16G1/06 ,  F16G1/28 ,  F16G5/04 ,  F16G5/20 ,  F16L11/04 ,  C08F222/16 ,  C08F220/06 ,  C08L77/10 ,  C08K5/09 ,  C08K3/04 ,  C08K5/12 ,  C08K5/18 ,  C08K5/3465

Abstract: A cross-linkable nitrile rubber composition including a highly saturated nitrile rubber (a) containing α,β-ethylenically unsaturated nitrile monomer units and α,β-ethylenically unsaturated dicarboxylic acid monoester monomer units and having an iodine value of 120 or less, organic staple fiber (b) with an average fiber length of 0.1 to 12 mm, and a polyamine cross-linking agent (c) is provided. The cross-linkable nitrile rubber composition able to give cross-linked rubber excellent in tensile stress and low heat buildup can be provided.

Abstract translation: 一种可交联的丁腈橡胶组合物，其包含含有α，β-烯键式不饱和腈单体单元和α，β-烯属不饱和二羧酸单酯单元并且碘值为120以下的高饱和丁腈橡胶（a） 提供平均纤维长度为0.1〜12mm的纤维（b）和多胺交联剂（c）。 可以提供能够提供拉伸应力优异和热积聚低的交联橡胶的可交联丁腈橡胶组合物。

公开(公告)号：US20200024429A1

公开(公告)日：2020-01-23

申请号：US16491289

申请日：2018-03-28

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA

IPC: C08L9/02 ,  C08K7/02 ,  C08K5/50 ,  C08K5/00

Abstract: A rubber composition including a nitrile group-containing copolymer rubber with an iodine value smaller than or equal to 120; short fibers with an average fiber length smaller than or equal to 12 mm; and an organophosphorus compound, wherein a glass transition temperature difference ΔTg of the nitrile group-containing copolymer rubber is lower than or equal to 10° C.

公开(公告)号：US20170355854A1

公开(公告)日：2017-12-14

申请号：US15539532

申请日：2015-12-18

Applicant: ZEON CORPORATION

Inventor： Sayaka INOUE ,  Tomonori NAKASHIMA

IPC: C08L101/08 ,  C08L13/02 ,  C08L33/18 ,  F16D69/02

CPC classification number: C08L101/08 ,  C08L9/02 ,  C08L13/02 ,  C08L33/18 ,  C09K3/14 ,  F16D69/02

Abstract: A latex for friction member use including rubber particles comprised of a carboxyl group-containing highly saturated nitrile rubber containing α,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % and having an iodine value of 120 or less, wherein a difference Δd (Δd=d90−d50) between a volume cumulative 90% particle size (d90) of the rubber particles and volume cumulative 50% particle size (d50) of the rubber particles which are measured by a light scattering method is 0.0240 μm or more is provided.

公开(公告)号：US20170058100A1

公开(公告)日：2017-03-02

申请号：US15119845

申请日：2015-02-26

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA ,  Sayaka INOUE

IPC: C08K5/098 ,  C08K5/14

CPC classification number: C08K5/098 ,  C08K5/14 ,  C08L9/02

Abstract: A cross-linkable nitrile rubber composition comprising a highly saturated nitrile rubber (A) with a Mooney viscosity (ML1+4, 100° C.) of 50 or less and an iodine value of 120 or less, an unsaturated carboxylic acid metal salt (B), and an organic peroxide cross-linking agent (C) is provided. A cross-linkable nitrile rubber composition excellent in scorch stability and able to give cross-linked rubber excellent in normal physical properties and bending fatigue resistance can be provided.

Abstract translation: 一种可交联的丁腈橡胶组合物，其含有门尼粘度（ML1 + 4,100℃）为50以下，碘值为120以下的高饱和丁腈橡胶（A），不饱和羧酸金属盐 B）和有机过氧化物交联剂（C）。 可以提供焦烧稳定性优异且能够赋予正常物理性能和抗弯曲疲劳性优异的交联橡胶的交联性丁腈橡胶组合物。

公开(公告)号：US20160289501A1

公开(公告)日：2016-10-06

申请号：US14777722

申请日：2014-03-13

Applicant: ZEON CORPORATION

Inventor： Tomonori NAKASHIMA ,  Masato SAKAMOTO

IPC: C09J4/06 ,  D06M15/693 ,  C08J5/12

CPC classification number: C09J4/06 ,  C08F220/44 ,  C08F222/10 ,  C08J5/128 ,  C08J2315/00 ,  C08J2377/06 ,  C08J2409/04 ,  C08L9/02 ,  C09J133/18 ,  D06M15/693

Abstract: Disclosed is an adhesive composition including: a latex of a highly saturated nitrile rubber (A), which includes 10 to 55 wt % of an α,β-ethylenically unsaturated nitrile monomer unit, 25 to 89 wt % of a conjugated diene monomer unit and 1 to 20 wt % of an α,β-ethylenically unsaturated dicarboxylic acid monoester monomer unit and has an iodine value of 120 or less, and a crosslinking aid (B) which has 2 or more ethylenically unsaturated groups in a molecule.

Abstract translation: 公开了一种粘合剂组合物，其包含：高饱和丁腈橡胶（A）的胶乳，其包含10〜55重量％的α，β-烯键式不饱和腈单体单元，25〜89重量％的共轭二烯单体单元和 1〜20重量％的α，β-烯属不饱和二羧酸单酯单体，碘值为120以下，分子内具有2个以上烯键式不饱和基团的交联助剂（B）。