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    • 1. 发明申请
    • DENTAL PASTE GLASS IONOMER CEMENT COMPOSITION
    • 牙膏玻璃离子水泥组合物
    • US20070072957A1
    • 2007-03-29
    • US11532718
    • 2006-09-18
    • Tsuyoshi NoguchiKatsuhito KatoHisashi Nakaseko
    • Tsuyoshi NoguchiKatsuhito KatoHisashi Nakaseko
    • A61K6/08
    • A61K6/0038A61K6/0017A61K6/0091A61K6/0835C08L55/00
    • To give high mechanical strength, particularly compression strength, and excellent operationality in a two-paste system, a dental paste glass ionomer cement composition comprises a first paste comprising an α-β unsaturated carboxylic acid polymer, a filler that is not reacted with the α-β unsaturated carboxylic acid polymer and is not in a monodisperse state in water, a silica aqueous sol containing colloidal silica having an average particle diameter of 1 to 100 nm dispersed in a monodisperse state in water to an SiO2 concentration of 1 to 50% by weight, and water, in prescribed amounts respectively, and a second paste containing fluoroalumino silicate glass powder in a prescribed amount, where the second paste sometimes contains a thickening agent comprising a water soluble polymer material and water, or a polymerizable monomer having no acid group.
    • 为了在双糊系统中提供高机械强度,特别是压缩强度和优异的操作性,牙膏玻璃离聚物粘合剂组合物包含第一糊状物,其包含α-β-不饱和羧酸聚合物,不与α反应的填料 β-不饱和羧酸聚合物,并且在水中不是单分散状态,含有平均粒径为1〜100nm的胶体二氧化硅的二氧化硅水溶胶,以水分散为单体,分散于SiO 2 >浓度为1〜50重量%,水分别为规定量的水分和含有规定量的氟硅酸盐玻璃粉末的第二糊料,其中第二糊剂有时含有包含水溶性聚合物材料和水的增稠剂, 或不具有酸性基团的聚合性单体。
    • 5. 发明授权
    • Perfluoroelastomer seal material
    • 全氟弹性体密封材料
    • US07834096B2
    • 2010-11-16
    • US10572779
    • 2004-09-21
    • Hiroyuki TanakaTsuyoshi Noguchi
    • Hiroyuki TanakaTsuyoshi Noguchi
    • C08L27/12
    • C09K3/1009F16J15/102Y10T428/24355
    • The present invention provides a perfluoroelastomer seal material in which adhesive strength, contamination, corrosion and color change of a contacted surface with a seal material are improved, and an amount of an uncrosslinked polymer component is at most 1% by weight, measured under specific conditions, and a process for preparing the same. The present invention relates to a perfluoroelastomer seal material, wherein a rate of weight decrease is at most 1% by weight when the seal material is immersed into perfluoro(tri-n-butyl)amine at 60° C. for 70 hours and is dried at 90° C. for 5 hours, 125° C. for 5 hours and 200° C. for 10 hours after taken out of the emersion. And, the present invention also relates to a process for preparing a perfluoroelastomer seal material comprising a step of treating with a solvent having at least 50 % of a swelling rate based on said molded article, when said molded article is immersed at 60° C. for 70 hours.
    • 本发明提供了一种全氟弹性体密封材料,其中改善了与密封材料的接触表面的粘合强度,污染物,腐蚀和颜色变化,并且在特定条件下测量的未交联聚合物组分的量为至多1重量% ,及其制备方法。 全氟弹性体密封材料技术领域本发明涉及一种全氟弹性体密封材料,其中当密封材料在60℃下浸入全氟(三正丁基)胺中70小时时,其重量减少率至多为1重量%,并干燥 在90℃,5小时,125℃,5小时和200℃,10分钟后脱出。 另外,本发明还涉及一种全氟弹性体密封材料的制造方法,其特征在于,在将所述成形体浸渍于60℃时,使用具有基于所述成型体的至少50%的溶胀率的溶剂进行处理的工序。 70个小时。