公开(公告)号：US20240034871A1

公开(公告)日：2024-02-01

申请号：US18478411

申请日：2023-09-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuyoshi KAWASAKI ,  Daisuke OTA ,  Kouhei TAKEMURA

IPC: C08L27/16 ,  C08K3/22 ,  C08K5/1545 ,  C08K5/46

CPC classification number: C08L27/16 ,  C08K3/22 ,  C08K5/1545 ,  C08K5/46 ,  C08J2327/16 ,  C08K2003/2227

Abstract: A fluoroelastomer crosslinkable composition containing: a polyol-crosslinkable fluoroelastomer (a); and a cross-linking agent (b), wherein the cross-linking agent (b) is at least one selected from a compound that has a structure represented by the following general formula (b) in its molecule and that does not contain a fluorine atom, and a salt of the compound with an alkali metal, an alkaline earth metal, or an onium compound:




wherein all symbols are as defined in the specification. Also disclosed are a formed article and sealing material obtained from the fluoroelastomer crosslinkable composition.

公开(公告)号：US20240026139A1

公开(公告)日：2024-01-25

申请号：US18478700

申请日：2023-09-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuyoshi KAWASAKI ,  Daisuke OTA ,  Kouhei TAKEMURA

IPC: C08L27/16 ,  C08K5/00 ,  C08K5/10 ,  C08K5/41 ,  C08K3/22

CPC classification number: C08L27/16 ,  C08K5/0025 ,  C08K5/10 ,  C08K5/41 ,  C08K3/22 ,  C08L2312/00 ,  C08K2201/019

Abstract: A fluoroelastomer crosslinkable composition containing a polyol-crosslinkable fluoroelastomer (a) and a cross-linking agent (b), wherein the cross-linking agent (b) is at least one selected from a compound represented by the general formula (b1) set forth in the description, a compound represented by the general formula (b2) set forth in the description, and a salt of any of these compounds with an alkali metal, an alkaline earth metal, or an onium compound. Also disclosed are a formed article and sealing material obtained from the fluoroelastomer crosslinkable composition.

公开(公告)号：US20240026138A1

公开(公告)日：2024-01-25

申请号：US18478575

申请日：2023-09-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuyoshi KAWASAKI ,  Daisuke OTA ,  Kouhei TAKEMURA

IPC: C08L27/16 ,  C08K5/053

CPC classification number: C08L27/16 ,  C08K5/053 ,  C08L2312/00 ,  C08L2203/162

Abstract: A fluoroelastomer crosslinkable composition including a polyol-crosslinkable fluoroelastomer (a) and a cross-linking agent (b), wherein the cross-linking agent (b) is at least one selected from a compound represented by the following general formula (b) and a salt of the compound with an alkali metal, an alkaline earth metal, or an onium compound:




wherein respective symbols are the same as those defined in the specification. Also disclosed are a formed article and sealing material obtained from the fluoroelastomer crosslinkable composition.

公开(公告)号：US20150330537A1

公开(公告)日：2015-11-19

申请号：US14380133

申请日：2013-02-22

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Daisuke OTA ,  Akinori UEDA ,  Yuu KADOWAKI ,  Mayuko TAEDA ,  Masanori KITAICHI ,  Kazuhiro YAMAMURA ,  Michiko DOI ,  Shoji FUKUOKA

IPC: F16L11/04 ,  C08L27/16

CPC classification number: F16L11/04 ,  C08K3/04 ,  C08L27/12 ,  C08L27/16 ,  C08L45/02 ,  C08L2312/00 ,  F02M37/0017 ,  F02M37/16 ,  Y10T428/1386

Abstract: Provided is a fluororubber composition capable of providing a crosslinked fluororubber article that exhibits not only heat resistance, but also excellent mechanical properties at high temperatures. The fluororubber composition includes a fluororubber (A), a carbon black (B), and an aromatic petroleum resin (E), and the fluororubber composition has a difference δG′ (G′ (1%)−G′ (100%)) of not lower than 120 kPa and not higher than 3,000 kPa, where G′ (1%) denotes a shear modulus at a dynamic strain of 1%, G′ (100%) denotes a shear modulus at a dynamic strain of 100%, and G′ (1%) and G′ (100%) are determined by a dynamic viscoelasticity test carried out on an unvulcanised rubber with a rubber process analyzer (RPA) in a condition that the measurement frequency is 1 Hz and the measurement temperature is 100° C.

Abstract translation: 本发明提供一种氟橡胶组合物，其能够提供不仅具有耐热性的交联氟橡胶制品，而且在高温下也具有优异的机械性能。 氟橡胶组合物包含氟橡胶（A），炭黑（B）和芳香族石油树脂（E），氟橡胶组合物的差δG'（G'（1％）-G'（100％）） （1％）表示动态应变为1％时的剪切模量，G'（100％）表示动态应变为100％时的剪切模量， 和G'（1％）和G'（100％）通过橡胶过程分析仪（RPA）在未硫化橡胶上进行的动态粘弹性试验测定，测量频率为1Hz，测量温度为 100°C

公开(公告)号：US20240327633A1

公开(公告)日：2024-10-03

申请号：US18740799

申请日：2024-06-12

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Seiichi HIRANO ,  Daisuke OTA ,  Tsuyoshi NOGUCHI

IPC: C08L27/22 ,  C08K3/34

CPC classification number: C08L27/22 ,  C08K3/34 ,  C08L2201/10 ,  C08L2205/025

Abstract: Provided is a perfluoroelastomer composition comprising (A) a nitrile group-containing perfluoroelastomer, (B) an iodine or bromine-containing perfluoroelastomer not containing a nitrile group, and (C) at least one compound selected from the group consisting of an inorganic nitride and an ammonia-generating compound.

公开(公告)号：US20250109289A1

公开(公告)日：2025-04-03

申请号：US18906273

申请日：2024-10-04

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Asuka NOHARA ,  Tomohisa KONISHI ,  Daisuke OTA

IPC: C08L27/18 ,  C08J3/16

Abstract: Provided is a composition comprising a perfluoroelastomer and a polytetrafluoroethylene, wherein a melt viscosity of the polytetrafluoroethylene is 1.0×103 to 7.0×106 poise, a melting point of the polytetrafluoroethylene is 322° C. or higher, and the composition is obtained by co-coagulating the perfluoroelastomer and the polytetrafluoroethylene.

公开(公告)号：US20250026905A1

公开(公告)日：2025-01-23

申请号：US18899101

申请日：2024-09-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Fumihiro KAMIYA ,  Daisuke OTA ,  Tsuyoshi NOGUCHI

IPC: C08K3/04 ,  C08K3/34 ,  C08K5/18

Abstract: Provided is a composition comprising a perfluoroelastomer and a filler, wherein the filler contains silicon carbide and graphite, and a ratio (area (C)/area (SiC)) of an area (C) of a peak derived from the graphite in the filler to an area (SiC) of a peak derived from the silicon carbide in the filler is 0.7 or more.

公开(公告)号：US20240084102A1

公开(公告)日：2024-03-14

申请号：US18495426

申请日：2023-10-26

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tadashi KANBARA ,  Tsuyoshi NOGUCHI ,  Fumihiro KAMIYA ,  Daisuke OTA ,  Atsushi SUDO

IPC: C08K5/34 ,  C07D213/60 ,  C07D215/44 ,  C07D241/20 ,  C07D241/54 ,  C07D251/42 ,  C08L27/12

CPC classification number: C08K5/34 ,  C07D213/60 ,  C07D215/44 ,  C07D241/20 ,  C07D241/54 ,  C07D251/42 ,  C08L27/12

Abstract: A compound for use as a cross-linking agent represented by the following formula (1) wherein R1 is —SO2—, —O—, —CO—, an optionally substituted alkylene group, a group represented by the following formula (2) or a single bond; and two As are each independently an aromatic ring group containing a 5- or 6-membered aromatic ring and optionally containing a substituent, where the aromatic ring group contains a substituent in the case where the aromatic ring group is a monocyclic aromatic ring group containing a 6-membered aromatic hydrocarbon ring. Also disclosed is a composition containing the cross-linking agent.

公开(公告)号：US20240052072A1

公开(公告)日：2024-02-15

申请号：US18484623

申请日：2023-10-11

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kazuyoshi KAWASAKI ,  Daisuke OTA ,  Kouhei TAKEMURA

IPC: C08F14/22 ,  C08K5/13

CPC classification number: C08F14/22 ,  C08K5/13

Abstract: Provided is a fluoroelastomer crosslinkable composition containing: a polyol-crosslinkable fluoroelastomer (a); and a cross-linking agent (b), wherein the cross-linking agent (b) is at least one selected from the group consisting of a compound represented by the following general formula (b) and a salt of the compound with an alkali metal, an alkaline earth metal, or an onium compound.




(wherein all symbols are as defined in the specification).

公开(公告)号：US20130274420A1

公开(公告)日：2013-10-17

申请号：US13913282

申请日：2013-06-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shigeru MORITA ,  Masanori KITAICHI ,  Shouji FUKUOKA ,  Daisuke OTA

IPC: C08F214/22

CPC classification number: C08F214/22 ,  C08K5/0025 ,  C08L27/16 ,  C08F214/18 ,  C08F214/26

Abstract: A noncrystalline fluoroelastomer which is a copolymer consisting essentially of vinylidene fluoride and a fluoromonomer represented by the general formula (1): CH2═CFRf  (1) wherein Rf is a straight or branched fluoroalkyl group containing 1 to 12 carbon atoms, and has a vinylidene fluoride units/fluoromonomer units mol ratio of 78/22 to 22/78 and a glass transition temperature of not higher than 25° C.

Abstract translation: 基本上由偏二氟乙烯和由通式（1）表示的含氟单体共聚物的非结晶含氟弹性体：CH2 = CFRf（1）其中Rf是含有1至12个碳原子的直链或支链氟代烷基，并且具有亚乙烯基 氟单体/含氟单体摩尔比为78/22〜22/78，玻璃化转变温度为25℃以下。