Fluororubber composition and method for producing same
    1.
    发明授权
    Fluororubber composition and method for producing same 有权
    氟橡胶组合物及其制备方法

    公开(公告)号:US09403954B2

    公开(公告)日:2016-08-02

    申请号:US14346156

    申请日:2013-01-18

    Abstract: The invention provides a fluororubber composition able to produce a crosslinked fluororubber article that exhibits not only heat resistance, but also excellent mechanical properties at high temperatures, and a method for producing same. The fluororubber composition contains: a fluororubber (A); and carbon black (B), wherein when the aforementioned fluororubber composition is immersed for 160 hours in an extraction solvent of acetone and hexane at an acetone:hexane mass ratio of 42.29:57.71 at 40° C. and an extraction residue that is not extracted and remains as a solid is separated from the aforementioned extraction solvent and dried and then the dry weight of the extraction residue is measured, the quantity of a solvent-insoluble polymer is not lower than 5%.

    Abstract translation: 本发明提供一种能够生产交联的氟橡胶制品的氟橡胶组合物及其制备方法,其不仅具有耐热性,而且在高温下表现出优异的机械性能。 氟橡胶组合物包含:氟橡胶(A); 和炭黑(B),其中当上述氟橡胶组合物在40℃下以丙酮:己烷质量比为42.29:57.71在丙酮和己烷的萃取溶剂中浸渍160小时,并且未提取的萃取残余物 将固体残留物与上述提取溶剂分离并干燥,然后测定萃取残渣的干重,溶剂不溶性聚合物的量不低于5%。

    FLUORORUBBER COMPOSITION AND METHOD FOR PRODUCING SAME
    2.
    发明申请
    FLUORORUBBER COMPOSITION AND METHOD FOR PRODUCING SAME 审中-公开
    氟橡胶组合物及其生产方法

    公开(公告)号:US20140288226A1

    公开(公告)日:2014-09-25

    申请号:US14361807

    申请日:2013-01-18

    Abstract: The invention provides a method for producing a fluororubber composition that is able to give a crosslinked article that exhibits not only heat resistance, but also excellent mechanical properties at high temperatures. A method for producing a fluororubber composition includes: a step (1-1) of mixing a fluororubber (A) and a carbon black (B) by means of an internal mixer until the maximum temperature reaches 80 to 220° C. so as to obtain an intermediate composition; a step (1-2) of cooling the intermediate composition to a temperature of less than 50° C.; and a step (2-1) of mixing the cooled intermediate composition until the maximum temperature reaches not lower than 10° C. but lower than 80° C. so as to obtain a fluororubber composition.

    Abstract translation: 本发明提供一种氟橡胶组合物的制造方法,其能够得到不仅具有耐热性,而且在高温下也具有优异的机械性能的交联物品。 氟橡胶组合物的制造方法包括:通过内置混合机将氟橡胶(A)和炭黑(B)混合直到最高温度达到80〜220℃的步骤(1-1),从而 获得中间组分; 将中间组合物冷却至低于50℃的温度的步骤(1-2); 和混合冷却的中间体组合物直到最高温度达到不低于10℃但低于80℃的步骤(2-1),以获得氟橡胶组合物。

    Thermoplastic resin composition and method for producing same

    公开(公告)号:US11787927B2

    公开(公告)日:2023-10-17

    申请号:US17259248

    申请日:2019-07-12

    Abstract: A thermoplastic resin composition including a fluororesin (A) and a crosslinked fluoroelastomer (B). The fluororesin (A) is a copolymer containing a chlorotrifluoroethylene unit and a tetrafluoroethylene unit and having at least one functional group selected from a carbonyl group, an olefinic group and an amino group at a main chain terminal or side chain terminal of the polymer. The crosslinked fluoroelastomer (B) is obtained by subjecting a fluoroelastomer (b) to a dynamic crosslinking treatment along with a polyamine compound (c) having a thermal decomposition temperature of 210° C. or higher and a crosslinking accelerator (d) in the presence of the fluororesin (A) under conditions for melting the fluororesin (A). Further, a mass ratio between the fluororesin (A) and the fluoroelastomer (b) (fluororesin (A)/fluoroelastomer (b)) is less than 70/30 and 20/80 or more. Also disclosed is a method for producing the composition as well as various molded and laminated products formed therefrom.

    FLUORORUBBER COMPOSITION AND METHOD FOR PRODUCING SAME
    6.
    发明申请
    FLUORORUBBER COMPOSITION AND METHOD FOR PRODUCING SAME 有权
    氟橡胶组合物及其生产方法

    公开(公告)号:US20140228482A1

    公开(公告)日:2014-08-14

    申请号:US14346156

    申请日:2013-01-18

    Abstract: The invention provides a fluororubber composition able to produce a crosslinked fluororubber article that exhibits not only heat resistance, but also excellent mechanical properties at high temperatures, and a method for producing same. The fluororubber composition contains: a fluororubber (A); and carbon black (B), wherein when the aforementioned fluororubber composition is immersed for 160 hours in an extraction solvent of acetone and hexane at an acetone:hexane mass ratio of 42.29:57.71 at 40° C. and an extraction residue that is not extracted and remains as a solid is separated from the aforementioned extraction solvent and dried and then the dry weight of the extraction residue is measured, the quantity of a solvent-insoluble polymer is not lower than 5%.

    Abstract translation: 本发明提供一种能够生产交联的氟橡胶制品的氟橡胶组合物及其制备方法,其不仅具有耐热性,而且在高温下表现出优异的机械性能。 氟橡胶组合物包含:氟橡胶(A); 和炭黑(B),其中当上述氟橡胶组合物在40℃下以丙酮:己烷质量比为42.29:57.71在丙酮和己烷的萃取溶剂中浸渍160小时,并且未提取的萃取残余物 将固体残留物与上述提取溶剂分离并干燥,然后测定萃取残渣的干重,溶剂不溶性聚合物的量不低于5%。

    Fluororubber composition
    8.
    发明授权
    Fluororubber composition 有权
    氟橡胶组成

    公开(公告)号:US09499678B2

    公开(公告)日:2016-11-22

    申请号:US14380197

    申请日:2013-02-22

    CPC classification number: C08K3/04 C08L27/16

    Abstract: A fluororubber composition which includes a fluororubber (A) and a carbon black (B). The fluororubber (A) is a vinylidene fluoride-based fluororubber including a structural unit (VdF unit) derived from vinylidene fluoride and a structural unit derived from at least one monomer selected from the group consisting of hexafluoropropylene (HFP), 2,3,3,3-tetrafluoro propylene, and perfluoro(alkyl vinyl ether) (PAVE). The molar ratio of the VdF unit to the structural unit derived from at least one monomer selected from the group consisting of HFP, 2,3,3,3-tetrafluoro propylene, and PAVE is 50/50 to 78/22. 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 modulus of shearing elasticity at a dynamic strain of 1%, G′ (100%) denotes a modulus of shearing elasticity at a dynamic strain of 100%, and G′ (1%) and G′ (100%) are determined by a dynamic viscoelasticity test.

    Abstract translation: 包含氟橡胶(A)和炭黑(B)的氟橡胶组合物。 氟橡胶(A)是包含衍生自偏氟乙烯的结构单元(VdF单元)和衍生自至少一种选自六氟丙烯(HFP),2,3,3-三氟乙烯的单体的结构单元的偏氟乙烯系氟橡胶 ,3-四氟丙烯和全氟(烷基乙烯基醚)(PAVE)。 来自至少一种选自HFP,2,3,3,3-四氟丙烯和PAVE的单体的VdF单元与结构单元的摩尔比为50/50至78/22。 氟橡胶组合物的差异δG'(G'(1%)-G'(100%))不低于120kPa且不高于3,000kPa,其中G'(1%)表示剪切弹性模量 1%的动态应变,G'(100%)表示动态应变为100%时的剪切弹性模量,通过动态粘弹性试验确定G'(1%)和G'(100%)。

    Process for producing 2,3,3,3-tetrafluoropropene

    公开(公告)号:US09388099B2

    公开(公告)日:2016-07-12

    申请号:US14695116

    申请日:2015-04-24

    Abstract: This invention provides a process for producing 2,3,3,3-tetrafluoropropene, the process comprising: (1) a first reaction step of reacting hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting of a chloropropane represented by Formula (1): CClX2CHClCH2Cl, wherein each X is the same or different and is CI or F, a chloropropene represented by Formula (2): CClY2CCl═CH2, wherein each Y is the same or different and is CI or F, and a chloropropene represented by Formula (3): CZ2═CClCH2Cl, wherein each Z is the same or different and is CI or F in a gas phase in the absence of a catalyst while heating; and (2) a second reaction step of reacting hydrogen fluoride with a reaction product obtained in the first reaction step in a gas phase in the presence of a fluorination catalyst while heating. According to the process of this invention, 2,3,3,3-tetrafluoropropene (HFO-1234yf) can be obtained with high selectivity, and catalyst deterioration can be suppressed.

    FLUORORUBBER COMPOSITION
    10.
    发明申请
    FLUORORUBBER COMPOSITION 有权
    氟橡胶组合物

    公开(公告)号:US20150031822A1

    公开(公告)日:2015-01-29

    申请号:US14380197

    申请日:2013-02-22

    CPC classification number: C08K3/04 C08L27/16

    Abstract: A fluororubber composition which includes a fluororubber (A) and a carbon black (B). The fluororubber (A) is a vinylidene fluoride-based fluororubber including a structural unit (VdF unit) derived from vinylidene fluoride and a structural unit derived from at least one monomer selected from the group consisting of hexafluoropropylene (HFP), 2,3,3,3-tetrafluoro propylene, and perfluoro(alkyl vinyl ether) (PAVE). The molar ratio of the VdF unit to the structural unit derived from at least one monomer selected from the group consisting of HFP, 2,3,3,3-tetrafluoro propylene, and PAVE is 50/50 to 78/22. 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 modulus of shearing elasticity at a dynamic strain of 1%, G′ (100%) denotes a modulus of shearing elasticity at a dynamic strain of 100%, and G′ (1%) and G′ (100%) are determined by a dynamic viscoelasticity test.

    Abstract translation: 包含氟橡胶(A)和炭黑(B)的氟橡胶组合物。 氟橡胶(A)是包含衍生自偏氟乙烯的结构单元(VdF单元)和衍生自至少一种选自六氟丙烯(HFP),2,3,3-三氟乙烯的单体的结构单元的偏氟乙烯系氟橡胶 ,3-四氟丙烯和全氟(烷基乙烯基醚)(PAVE)。 来自至少一种选自HFP,2,3,3,3-四氟丙烯和PAVE的单体的VdF单元与结构单元的摩尔比为50/50至78/22。 氟橡胶组合物的差异δG'(G'(1%)-G'(100%))不低于120kPa且不高于3,000kPa,其中G'(1%)表示剪切弹性模量 1%的动态应变,G'(100%)表示动态应变为100%时的剪切弹性模量,通过动态粘弹性试验确定G'(1%)和G'(100%)。

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