公开(公告)号：US20190276634A1

公开(公告)日：2019-09-12

申请号：US16088543

申请日：2017-03-22

Applicant: ZEON CORPORATION

Inventor： Mitsuru SUGAWARA ,  Satoshi KIRIKI ,  Kei SAKAMOTO ,  Kazuhiro EJIRI

IPC: C08K5/21 ,  C08F120/16

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound having a urea group, wherein the acrylic polymer composition has less than 50% decrease in molecular weight of the acrylic polymer when heated under conditions of 190° C. and 144 hours in air.

公开(公告)号：US20190112467A1

公开(公告)日：2019-04-18

申请号：US16088639

申请日：2017-03-22

Applicant: ZEON CORPORATION

Inventor： Mitsuru SUGAWARA ,  Satoshi KIRIKI ,  Kei SAKAMOTO ,  Kazuhiro EJIRI

IPC: C08L33/10 ,  C08L33/14 ,  C08K5/20

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound represented by the following general formula (1): (in the general formula (1), R4 and R2 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, R3 and R4 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms, and k is an integer of 1 or larger).

公开(公告)号：US20190112466A1

公开(公告)日：2019-04-18

申请号：US16088662

申请日：2017-03-22

Applicant: ZEON CORPORATION

Inventor： Mitsuru SUGAWARA ,  Satoshi KIRIKI ,  Kei SAKAMOTO ,  Kazuhiro EJIRI

IPC: C08L33/04 ,  C08L33/26 ,  C08K5/20

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound having an amide group, wherein the cross-linkable acrylic polymer composition has less than 50% decrease in molecular weight of the acrylic polymer when heated under conditions of 190° C. and 144 hours in air.

公开(公告)号：US20200239612A1

公开(公告)日：2020-07-30

申请号：US16482831

申请日：2018-01-31

Applicant: ZEON CORPORATION

Inventor： Keisuke KOJIMA ,  Kazuhiro EJIRI ,  Hirofumi MASUDA

IPC: C08F220/18

Abstract: An acrylic rubber has a residual calcium content of 60 wt ppm or less and a polymer pH of 7.0 or less, and preferably has a carboxyl group.

公开(公告)号：US20190106552A1

公开(公告)日：2019-04-11

申请号：US16088618

申请日：2017-03-22

Applicant: ZEON CORPORATION

Inventor： Mitsuru SUGAWARA ,  Satoshi KIRIKI ,  Kei SAKAMOTO ,  Kazuhiro EJIRI

IPC: C08K5/21 ,  C08F120/16

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound represented by the following general formula (1): (in the general formula (1), R4 and R2 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R3 and R4 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms; and k is an integer of 1 or larger).

公开(公告)号：US20140100315A1

公开(公告)日：2014-04-10

申请号：US14105030

申请日：2013-12-12

Applicant: ZEON CORPORATION

Inventor： Akira TSUKADA ,  Kazuhiro EJIRI ,  Chikara KATANO

IPC: C08L79/04 ,  C08K5/11 ,  C08K3/04

CPC classification number: C08L79/04 ,  B32B1/08 ,  B32B25/04 ,  B32B25/08 ,  B32B25/14 ,  B32B27/06 ,  B32B27/304 ,  B32B27/308 ,  B32B2270/00 ,  B32B2307/306 ,  B32B2307/308 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/714 ,  B32B2307/7265 ,  B32B2597/00 ,  B32B2605/00 ,  C08K3/013 ,  C08K3/04 ,  C08K5/11 ,  C08K5/5419 ,  C08K2201/016 ,  C08L9/02 ,  C08L27/06 ,  C08L33/00 ,  F16L11/06 ,  F16L2011/047 ,  Y10T428/1393 ,  C08L33/20 ,  C08L9/04 ,  C08L2666/04

Abstract: A nitrile copolymer latex composition containing a latex of a nitrile copolymer rubber (A) having α,β-ethylenically unsaturated nitrile monomer units in 10 to 75 wt %, conjugated diene monomer units in 5 to 89.9 wt %, and cationic monomer units and/or monomer units able to form cations in 0.1 to 20 wt %, an inorganic filler (B) having an aspect ratio of 30 to 2,000, and a plasticizer (C) having an SP value by the HOY method of 8 to 10.2 (cal/cm3)1/2, wherein a content of said plasticizer (C) is 0.1 to 200 parts by weight with respect to said nitrile copolymer rubber (A) as 100 parts by weight is provided.

Abstract translation: 一种腈共聚物胶乳组合物，其含有在10至75重量％的共轭二烯单体单元中具有5至89.9重量％的α，b-烯属不饱和腈单体单元的腈共聚物橡胶（A）和阳离子单体单元和 /或能够形成0.1〜20重量％阳离子的单体单元，纵横比为30〜2,000的无机填料（B）和HOY法的SP值为8〜10.2（cal / cm3）1/2，其中所述增塑剂（C）的含量相对于所述腈共聚物橡胶（A）为0.1〜200重量份，为100重量份。

公开(公告)号：US20220127430A1

公开(公告)日：2022-04-28

申请号：US17646866

申请日：2022-01-04

Applicant: ZEON CORPORATION

Inventor： Mitsuru SUGAWARA ,  Satoshi KIRIKI ,  Kazuhiro EJIRI

IPC: C08K5/3417 ,  C07D207/408 ,  C07D209/48 ,  C07D209/66 ,  C07D209/76 ,  C07D279/34 ,  C08K5/3415 ,  C08K5/46

Abstract: The present invention provides a polymer composition comprising a polymer and an antioxidant comprising a diarylamine-based compound represented by General Formula (1): where, in General Formula (1), A1 and A2 each independently represent a C6 to C18 arylene group which may have a substituent, and A3 and A4 each independently represent an organic group having a cyclic imide structure which may have a substituent.

公开(公告)号：US20200002523A1

公开(公告)日：2020-01-02

申请号：US16480137

申请日：2018-01-26

Applicant: ZEON CORPORATION

Inventor： Ayako FURUKO ,  Kazuhiro EJIRI ,  Hirofumi MASUDA

IPC: C08L33/08 ,  C08F220/18 ,  C08F220/32 ,  C08F212/36 ,  C08L33/06 ,  C08L33/10 ,  C08K3/04 ,  C08K5/00 ,  C08K5/19

Abstract: An acrylic rubber includes a (meth)acrylate ester monomeric unit; and a crosslinkable monomeric unit, wherein a complex viscosity at 60° C. denoted as η*(60° C.) and a complex viscosity at 100° C. denoted as η*(100° C.) satisfy the following formula (1) and the following formula (2). η*(100° C.)/η*(60° C.)

公开(公告)号：US20200002507A1

公开(公告)日：2020-01-02

申请号：US16489834

申请日：2018-02-22

Applicant: ZEON CORPORATION

Inventor： Mitsuru SUGAWARA ,  Satoshi KIRIKI ,  Kazuhiro EJIRI

IPC: C08K5/3417 ,  C07D209/48 ,  C07D209/66 ,  C07D209/76 ,  C07D207/408 ,  C08K5/3415 ,  C07D279/34 ,  C08K5/46

Abstract: The present invention provides a diarylamine-based compound represented by General Formula (1): (where A1 and A2 each independently represent a C6 to C18 arylene group which may have a substituent, and A3 and A4 each independently represent an organic group having a cyclic imide structure which may have a substituent).