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    • 21. 发明授权
    • Fluorine-containing elastomer composition and molded article comprising the same
    • 含氟弹性体组合物和包含其的模制品
    • US08822002B2
    • 2014-09-02
    • US12301555
    • 2007-05-17
    • Daisuke OtaKatsusada Tokuhira
    • Daisuke OtaKatsusada Tokuhira
    • B32B1/08
    • C09K3/1009C08K3/26C08K5/053C08K5/13Y10T428/139C08L27/12
    • An object of the present invention is to provide a fluorine-containing elastomer composition being flexible and having excellent fuel barrier property, heat resistance, chemical resistance and oil resistance. Another object of the present invention is to provide a sealing material, a molded article and a fuel hose obtained by crosslinking the fluorine-containing elastomer composition. The composition is a fluorine-containing elastomer composition comprising a polyol-crosslinkable fluorine-containing elastomer, a polyol crosslinking agent and a hydrotalcite, wherein an acid acceptor comprising only an oxide or hydroxide of a divalent metal is contained in an amount of not more than 2 parts by weight based on 100 parts by weight of the fluorine-containing elastomer.
    • 本发明的目的在于提供一种柔软的含氟弹性体组合物,具有优异的燃料阻隔性,耐热性,耐化学性,耐油性。 本发明的另一个目的是提供通过交联含氟弹性体组合物获得的密封材料,模塑制品和燃料软管。 该组合物是包含多元醇交联性含氟弹性体,多元醇交联剂和水滑石的含氟弹性体组合物,其中仅含有二价金属的氧化物或氢氧化物的酸受体的含量不大于 2重量份,基于100重量份的含氟弹性体。
    • 24. 发明申请
    • DENTAL CEMENT
    • 牙科水泥
    • US20080015279A1
    • 2008-01-17
    • US11774759
    • 2007-07-09
    • Hideki TOKUIHideki YarimizuDaisuke OtaTakuya MoriHisashi Nakaseko
    • Hideki TOKUIHideki YarimizuDaisuke OtaTakuya MoriHisashi Nakaseko
    • A61K6/083
    • A61K6/083C08L33/00C08L43/02
    • A dental cement comprises a first paste including a (meth)acrylate monomer having an acid group, the (meth)acrylate monomer not having an acid group, having two or less of hydroxyl groups and/or amino groups and having a molecular weight of 160 or more, the filler having a specific average particle size and being inactive to the (meth)acrylate monomer having an acid group, and the amine compound as a accelerator for the undermentioned polymerizing catalyst; and the second paste including a (meth)acrylate monomer not having an acid group, having two or less of hydroxyl groups and/or amino groups and having a molecular weight of 160 or more, a filler having a specific particle size, and an organic aromatic compound having at least one —SO2— group and the peroxide as a polymerizing catalyst, thereby providing a dental cement large flexural strength, adhesiveness to dentin, small hygroscopic expansion, and low solubility.
    • 牙科水泥包括含有具有酸基的(甲基)丙烯酸酯单体的第一糊剂,不具有酸基的(甲基)丙烯酸酯单体,具有两个或多个羟基和/或氨基并且分子量为160 或更多,具有特定平均粒径并且对具有酸基的(甲基)丙烯酸酯单体无活性的填料和作为下述聚合催化剂的促进剂的胺化合物; 所述第二糊剂包含不具有酸基的(甲基)丙烯酸酯单体,具有2个以下羟基和/或氨基,分子量为160以上,具有特定粒径的填料和有机物 具有至少一个-SO 2 - 基的芳族化合物和作为聚合催化剂的过氧化物,从而提供牙科粘合剂大的弯曲强度,对牙本质的粘附性,小吸湿膨胀和低溶解度。
    • 29. 发明申请
    • FLUORO-RUBBER COMPOSITION AND BLADDER FOR TIRE FABRICATION
    • 氟橡胶组合物和轮胎制造用刀片
    • US20130225758A1
    • 2013-08-29
    • US13817965
    • 2010-08-25
    • Masashi YanoDaisuke OtaShuichi Okutsu
    • Masashi YanoDaisuke OtaShuichi Okutsu
    • C08K3/04
    • C08K3/04B29D22/02B29D30/0654B29D2030/665C08K5/0025C08L27/12C08K5/14
    • A fluoro rubber composition which is able to make both a high tensile strength and a high elongation at break after vulcanization compatible with each other and from which favorable mechanical characteristics are obtained even in a high-temperature environment; and a bladder for tire fabrication, which is manufactured using the same are provided. The fluoro rubber composition includes a rubber component containing a fluoro rubber and carbon black, wherein in a dynamic viscoelasticity test of an unvulcanized rubber by a rubber process analyzer (RPA) (measurement temperature: 100° C., measurement frequency: 1 Hz), a difference δGA′ (G′(1%)−G′(100%)) between a shear modulus G′ (1%) at the time of a dynamic strain of 1% and a shear modulus G′ (100%) at the time of a dynamic strain of 100% is 120 kPa or more and not more than 3,000 kPa.
    • 能够使硫化后的拉伸强度高,断裂伸长率高的氟橡胶组合物,即使在高温环境下也能获得良好的机械特性, 并且提供了使用其制造的用于轮胎制造的气囊。 氟橡胶组合物包括含有氟橡胶和炭黑的橡胶组分,其中在橡胶过程分析仪(RPA)(测量温度:100℃,测量频率:1Hz)的未硫化橡胶的动态粘弹性试验中, 在1%的动态应变时的剪切模量G'(1%)和剪切模量G'(100%)之间的差ΔGA'(G'(1%)-G'(100%)) 100%的动态应变时间为120kPa以上且3000kPa以下。