公开(公告)号：US20220306781A1

公开(公告)日：2022-09-29

申请号：US17596480

申请日：2020-06-15

Applicant: DAIKIN INDUSTRIES, LTD

Inventor： Yusuke KAMIYA ,  Takahiro FURUTANI ,  Kouhei TAKEMURA ,  Riku YAMAGUCHI ,  Keisuke SHIOMI ,  Masaki IRIE

IPC: C08F214/22

Abstract: A member to be compressed for an electrochemical device obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer containing a unit based on at least one crosslinkable group-containing monomer selected from the group consisting of a crosslinkable group-containing monomer (1) represented by the general formula (1): CX12═CF—Rf1—X2 wherein each X1 independently represents H or F, and Rf1 represents a fluorinated alkylene group or a fluorinated oxyalkylene group, and X2 represents I or Br; and a crosslinkable group-containing monomer (2) represented by the general formula (2): CX32═CX3—Z1—CX3═CX32 wherein each X3 independently represents H, F, an alkyl group or a fluorinated alkyl group, and Z1 represents an alkylene group, a fluorinated alkylene group, a cycloalkylene group, a fluorinated cycloalkylene group, an oxyalkylene group or a fluorinated oxyalkylene group.

公开(公告)号：US20220251262A1

公开(公告)日：2022-08-11

申请号：US17596553

申请日：2020-06-15

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yusuke KAMIYA ,  Takahiro FURUTANI ,  Kouhei TAKEMURA ,  Keisuke SHIOMI ,  Masaki IRIE

IPC: C08F214/22 ,  H01M50/193 ,  C08J3/24

Abstract: Provided is a member to be compressed for an electrochemical device obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer, wherein the fluorine-containing elastomer exhibits a difference δG′ (G′(100° C.)−G′(180° C.)) between the storage elastic modulus G′(100° C.) at a measurement temperature of 100° C. and the storage elastic modulus G′(180° C.) at a measurement temperature of 180° C., in the dynamic viscoelasticity test (strain amplitude: 0.5 Deg; frequency: 100 CPM) with a rubber process analyzer satisfying the following conditions: 40 kPa

公开(公告)号：US20210024664A1

公开(公告)日：2021-01-28

申请号：US17043353

申请日：2019-03-26

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Junpei TERADA ,  Yusuke KAMIYA ,  Takahiro FURUTANI

IPC: C08F14/22 ,  F16J15/10

Abstract: A molded product having a surface that is to be in contact with a coolant, the surface being formed of a crosslinked product of an amorphous fluorine-containing elastomer having a glass transition temperature of 25° C. or less, the fluorine-containing elastomer being a copolymer of: vinylidene fluoride; a fluorine-containing monomer represented by formula (1) below: CHXa═CXbRf  (1) wherein one of Xa and Xb is H, the other thereof is F, and Rf is a linear or branched fluoroalkyl group having 1 to 12 carbon atoms; and another monomer copolymerizable therewith, wherein a molar ratio of units of the vinylidene fluoride to units of the fluorine-containing monomer is 87/13 to 20/80, and units of the other monomer account for 0 to 50 mol % based on all monomer units.

公开(公告)号：US20210292450A1

公开(公告)日：2021-09-23

申请号：US17265830

申请日：2019-07-22

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takahiro FURUTANI ,  Rina TAMAI ,  Eisaku SUMINO ,  Yusuke KAMIYA ,  Junpei TERADA ,  Masaki IRIE

IPC: C08F214/22

Abstract: A composition including a fluorine-containing polymer and a cross-linking agent, wherein the fluorine-containing polymer contains a vinylidene fluoride unit, a unit of a fluorine-containing monomer (1) represented by the following general formula (1): CHX1═CX2Rf   (1) wherein one of X1 and X2 is H, the other is F, and Rf is a linear or branched fluoroalkyl group having 1 to 12 carbon atoms, and a unit of a monomer providing a crosslinking site. The monomer providing a crosslinking site is a monomer having at least one crosslinkable group selected from a cyano group, a carboxyl group, an alkoxycarbonyl group and a hydroxyl group. Also disclosed is a crosslinked rubber molded article obtained by crosslinking the composition.