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    • 76. 发明申请
    • Porous hollow-yarn membrane of vinylidene fluoride resin
    • 偏氟乙烯树脂多孔中空丝膜
    • US20080156722A1
    • 2008-07-03
    • US12007788
    • 2008-01-15
    • Kenichi SuzukiYasuhiro TadaTakeo TakahashiMasayuki HinoKosuke AbeToshiya Mizuno
    • Kenichi SuzukiYasuhiro TadaTakeo TakahashiMasayuki HinoKosuke AbeToshiya Mizuno
    • B01D71/26B01D67/00
    • B01D71/34B01D67/0011B01D67/0018B01D67/0027B01D67/003B01D69/02B01D69/08B01D2323/12B01D2323/20B01D2325/02D01D5/24D01F6/12
    • A hollow-fiber porous membrane comprising a hollow fiber-form porous membrane of vinylidene fluoride resin and having an average pore size Pm of 0.05-0.20 μm, a maximum pore size Pmax giving a ratio Pmax/Pm of at most 2.0 between the maximum pore size Pmax and the average pore size Pm and a standard deviation of pore size distribution of at most 0.20 μm based on a pore size distribution according to the half dry/bubble point method (ASTM•F316 and ASTM•E1294) is provided, as a hollow-fiber porous membrane of vinylidene fluoride resin having minute pores with a size (average pore diameter) and a further uniform pore size distribution suitable for water (filtration) treatment. The hollow-fiber porous membrane is produced through a process of producing a hollow-fiber porous membrane by melt-extruding a mixture of a vinylidene fluoride resin, a plasticizer and a good solvent for vinylidene fluoride resin into a hollow fiber-form, followed by cooling and extraction of the plasticizer, wherein the proportion of the good solvent in the total amount of the plasticizer and the good solvent contained in the mixture is increased to 20-35 wt. %.
    • 一种中空纤维多孔膜,其包含偏氟乙烯树脂的中空纤维状多孔膜,平均孔径Pm为0.05〜0.20μm,最大孔径Pmax的最大孔径Pmax / Pm为2.0以下, 提供基于根据半干/泡点法(ASTMF316和ASTM.E1294)的孔径分布,孔径分布的平均孔径Pm和孔径分布的至多0.20μm的标准偏差,作为 具有尺寸(平均孔径)的微孔和适于水(过滤)处理的更均匀的孔径分布的偏氟乙烯树脂的中空纤维多孔膜。 中空纤维多孔膜通过将偏氟乙烯树脂,增塑剂和偏氟乙烯树脂的良溶剂的混合物熔融挤出成中空纤维状而制造中空纤维多孔膜的方法制造,然后通过 冷却和提取增塑剂,其中良溶剂在增塑剂和混合物中所含的良溶剂总量中的比例增加到20-35wt。 %。
    • 80. 发明授权
    • Image processing system, image processing apparatus, image processing method, and storage medium thereof
    • 图像处理系统,图像处理装置,图像处理方法及其存储介质
    • US07236644B2
    • 2007-06-26
    • US09983436
    • 2001-10-24
    • Kenichi SuzukiHidetomo Suwa
    • Kenichi SuzukiHidetomo Suwa
    • G06K9/40
    • H04N1/4078B41J2/2128
    • To provide an image processing apparatus capable of always providing a high image quality recording image. A storage unit stores pattern information used for recording a target image on a recording medium at the unit of a pixel by means of a plurality of recording elements provided on the individual of the recording head (a plurality of pattern information items about use/no use of each recording agent in the recording elements together with a reference information item for deciding the pattern information used in recording the target pixel corresponding thereto. A correction unit corrects the information in the storage unit on the basis of the measured result of the density of the given image (test pattern) recorded in advance on the recording medium.
    • 提供能够始终提供高图像质量记录图像的图像处理装置。 存储单元通过设置在记录头的个体上的多个记录元件将用于记录目标图像的图案信息以像素为单位存储在记录介质上(多个关于使用/不使用的图案信息项 记录元件中的每个记录代理与用于确定与其对应的目标像素记录中使用的图案信息的参考信息项一起校正单元,根据测量结果 给定图像(测试图案)预先记录在记录介质上。