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    • 5. 发明申请
    • MAGNETIC IRON OXIDE FINE PARTICLES, AND MAGNETIC PARTICLE-CONTAINING WATER DISPERSION AND PROCESS FOR PRODUCING THE SAME
    • 磁铁氧化物微粒,含磁颗粒水分散体及其制造方法
    • US20120269896A1
    • 2012-10-25
    • US13510651
    • 2010-11-18
    • Toshiyuki HakataTomoko Okita
    • Toshiyuki HakataTomoko Okita
    • A61K9/14B05D7/00A61K9/10A61P43/00B82Y40/00B82Y5/00
    • C09C1/24A61K41/0052A61K47/6923A61K47/6929A61K49/0002A61K49/0428A61K49/1854B82Y5/00B82Y30/00C01G49/0036C01G49/08C01P2004/64C01P2004/80C01P2006/12C01P2006/42
    • The present invention relates to a magnetic particle-containing water dispersion wherein the magnetic particles have a primary particle diameter of 5 to 15 nm and an average secondary particle diameter of 10 to 60 nm, and the water dispersion has a zeta potential of not more than −20 mV when a pH value of the water dispersion lies within the range of 6 to 8, and further a surface of the respective magnetic particles is coated with a carboxyl group-containing polymer. The magnetic particle-containing water dispersion is produced by heating an aqueous solution in which the carboxyl group-containing polymer is dissolved, to a temperature of 90 to 100° C. in a nitrogen atmosphere; adding a solution of a ferrous (II) salt and a ferric (III) salt and an alkali solution to the aqueous solution to react with each other at the same temperature; adding ethanol to the solution to obtain a precipitate; and removing a supernatant liquid from the solution, and then dispersing the precipitate in water and subjecting the resulting dispersion to dialysis. The magnetic particle-containing water dispersion is useful as a magnetic particle-containing water dispersion capable of producing magnetic particle-containing drugs for diagnosis and therapies which can exhibit a uniform functionality, with a good reproducibility.
    • 本发明涉及一种含磁性颗粒的水分散体,其中磁性颗粒的初级粒径为5〜15nm,平均二次粒径为10〜60nm,水分散体的ζ电位不大于 当水分散体的pH值在6至8的范围内时,-20mV,并且进一步用含羧基的聚合物涂覆各个磁性颗粒的表面。 通过将含有羧基的聚合物溶解的水溶液在氮气气氛中加热至90〜100℃,制成含有磁性颗粒的水分散体; 在水溶液中加入亚铁(II)盐和三价铁(III)盐和碱溶液的溶液在相同温度下相互反应; 向溶液中加入乙醇以得到沉淀物; 从溶液中除去上清液,然后将沉淀物分散在水中,使得到的分散体透析。 含有磁性颗粒的水分散体可用作能够产生含有磁性颗粒的药物用于诊断和治疗的含磁性颗粒的水分散体,其可以显示均匀的官能度,具有良好的再现性。
    • 8. 发明申请
    • Paving resin composition, paving asphalt composition, and method for producing paving asphalt composition
    • 摊铺树脂组合物,铺路沥青组合物及铺路沥青组合物的制造方法
    • US20060089428A1
    • 2006-04-27
    • US10546607
    • 2004-02-24
    • Toshiyuki HakataAtsushi MaedaRyoma Masui
    • Toshiyuki HakataAtsushi MaedaRyoma Masui
    • C08L95/00
    • E01C7/30C08L23/0853C08L95/00C08L2666/02
    • Disclosed is a paving resin composition which comprises a thermoplastic resin in small lumps, containing 30 to 70% by weight of an ethylene-vinyl acetate copolymer having a vinyl acetate content of 20 to 45% by weight and a melting temperature of 40 to 100° C. The paving resin composition of the present invention is melted within a short time, excellent in wettability and adhesion property to aggregates, and capable of providing a paved face excellent in durability free from problems of deformation during summer and cracking during winter. Moreover, the paving resin composition of the present invention can be thrown directly to a mixer without being passed through a measurement apparatus and accordingly, washing work of the measurement apparatus or pipes is made unnecessary and the workability is thus significantly increased.
    • 公开了一种铺路树脂组合物,其包含小块状的热塑性树脂,其含有30〜70重量%的乙酸乙烯酯含量为20〜45重量%,熔融温度为40〜100℃的乙烯 - 乙酸乙烯酯共聚物 C.本发明的铺路树脂组合物在短时间内熔化,润湿性和聚集体的粘合性优异,并且能够提供耐候性优异的耐候性,并且在冬季期间不会出现夏季变形和龟裂的问题。 此外,本发明的铺路树脂组合物可以直接投入混合器而不通过测量装置,因此,不需要测量装置或管道的洗涤工作,从而显着提高了可加工性。