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    • 5. 发明申请
    • DENTAL GLASS IONOMER CEMENT COMPOSITION
    • 牙科玻璃离子水泥组合物
    • US20120077901A1
    • 2012-03-29
    • US13242917
    • 2011-09-23
    • Koji TanakaDaisuke OtaHideki Yarimizu
    • Koji TanakaDaisuke OtaHideki Yarimizu
    • A61K6/08
    • A61K6/0835A61K6/0047A61K6/0091C08L33/00C08L31/04C08L27/06
    • To provide a dental glass ionomer cement composition having excellent adhesion strength to a metallic prosthesis. A dental glass ionomer cement composition includes a copolymer (A), a fluoroaluminosilicate glass powder (B) and water (C). The copolymer (A) includes a polymer or copolymer of α-β unsaturated carboxylic acid, or includes a copolymer of α-β unsaturated carboxylic acid and one or more kinds selected from a group of acrylamide, acrylonitrile, methacrylic acid ester, acrylates, vinyl chloride, allyl chloride and vinyl acetate. In the copolymer (A), the number of molecules of α-β unsaturated carboxylic acid occupies 50% or more of the total number of molecules. The dental glass ionomer cement composition further includes a compound (D) which contains a sulfur atom in one molecule, includes a carboxylic group and an amino group and does not include a polymerizable group.
    • 提供对金属假体具有优异粘合强度的牙科玻璃离聚物粘合剂组合物。 牙科玻璃离聚物粘合剂组合物包括共聚物(A),氟铝硅酸盐玻璃粉末(B)和水(C)。 共聚物(A)包括α-和bgr的聚合物或共聚物; 不饱和羧酸,或包括α-和bgr的共聚物; 不饱和羧酸和选自丙烯酰胺,丙烯腈,甲基丙烯酸酯,丙烯酸酯,氯乙烯,烯丙基氯和乙酸乙烯酯中的一种或多种。 在共聚物(A)中,α-&bgr的分子数; 不饱和羧酸占分子总数的50%以上。 牙科玻璃离聚物粘固剂组合物还包括在一个分子中含有硫原子的化合物(D),包括羧基和氨基,并且不包括可聚合基团。
    • 6. 发明授权
    • Dental glass ionomer cement composition
    • 牙科玻璃离聚物水泥组合物
    • US09241880B2
    • 2016-01-26
    • US13242917
    • 2011-09-23
    • Koji TanakaDaisuke OtaHideki Yarimizu
    • Koji TanakaDaisuke OtaHideki Yarimizu
    • A61K6/08A61K6/083A61K6/00
    • A61K6/0835A61K6/0047A61K6/0091C08L33/00C08L31/04C08L27/06
    • To provide a dental glass ionomer cement composition having excellent adhesion strength to a metallic prosthesis. A dental glass ionomer cement composition includes a copolymer (A), a fluoroaluminosilicate glass powder (B) and water (C). The copolymer (A) includes a polymer or copolymer of α-β unsaturated carboxylic acid, or includes a copolymer of α-β unsaturated carboxylic acid and one or more kinds selected from a group of acrylamide, acrylonitrile, methacrylic acid ester, acrylates, vinyl chloride, allyl chloride and vinyl acetate. In the copolymer (A), the number of molecules of α-β unsaturated carboxylic acid occupies 50% or more of the total number of molecules. The dental glass ionomer cement composition further includes a compound (D) which contains a sulfur atom in one molecule, includes a carboxylic group and an amino group and does not include a polymerizable group.
    • 提供对金属假体具有优异粘合强度的牙科玻璃离聚物粘合剂组合物。 牙科玻璃离聚物粘合剂组合物包括共聚物(A),氟铝硅酸盐玻璃粉末(B)和水(C)。 共聚物(A)包括α-和bgr的聚合物或共聚物; 不饱和羧酸,或包括α-和bgr的共聚物; 不饱和羧酸和选自丙烯酰胺,丙烯腈,甲基丙烯酸酯,丙烯酸酯,氯乙烯,烯丙基氯和乙酸乙烯酯中的一种或多种。 在共聚物(A)中,α-&bgr的分子数; 不饱和羧酸占分子总数的50%以上。 牙科玻璃离聚物粘固剂组合物还包括在一个分子中含有硫原子的化合物(D),包括羧基和氨基,并且不包括可聚合基团。
    • 9. 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。
    • 10. 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。