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    • 1. 发明授权
    • Toner
    • 爽肤水
    • US06919156B2
    • 2005-07-19
    • US10669559
    • 2003-09-25
    • Koji KameyamaMasahito YamazakiKoji AkiyamaHiroyuki Kawaji
    • Koji KameyamaMasahito YamazakiKoji AkiyamaHiroyuki Kawaji
    • G03G9/08G03G9/097G03G9/087
    • G03G9/09725G03G9/0821
    • A toner comprising a resin binder, a colorant, and fine inorganic particles having a BET specific surface area of 30 m2/g or less, wherein the fine inorganic particles are added as an external additive, wherein the toner has a storage modulus at 100° C. using a 25 mm parallel plate of 7×104 Pa or less, a storage modulus at 60° C. using a 7.9 mm parallel plate of from 3×108 to 1×109 Pa, and a storage modulus at 70° C. using a 7.9 mm parallel plate of from 7×106 to 3×108 Pa; and a two-component developer comprising the toner. The toner can be used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
    • 一种调色剂,其包含树脂粘合剂,着色剂和BET比表面积为30m 2 / g以下的无机微粒,其中无机微粒作为外部添加剂添加,其中 调色剂的储能模量为100℃,使用7×10 4 Pa或更小的25mm平行板,在60℃下的储能模量,使用7.9mm平行板的3×10 4 Pa 8至1×10 9 Pa,并且使用7×10 6至3×10 8 Pa的7.9mm平行板在70℃下的储能模量, / SUP> Pa; 和包含调色剂的双组分显影剂。 调色剂可用于显影在电子照相术,静电记录方法,静电印刷方法等中形成的潜像。
    • 3. 发明授权
    • Two-component developer
    • 双组分显影剂
    • US06764798B2
    • 2004-07-20
    • US10255630
    • 2002-09-27
    • Masahito YamazakiKoji KameyamaKoji Akiyama
    • Masahito YamazakiKoji KameyamaKoji Akiyama
    • G03G908
    • G03G9/09725G03G9/10G03G9/107
    • A two-component developer comprising a toner onto which a hydrophobic silica having an average particle size of 25 nm or more is externally added, and a carrier having a saturation magnetization of from 50 to 95 Am2/kg, wherein the carrier has a ratio of surface resistivity to volume resistivity of from 1×102 to 1×104 m−1 at an electric field strength of 100 V/cm; and a method for development comprising applying the above two-component developer to an electrophotographic device comprising a photoconductor having a peripheral speed of 400 mm/sec or more, and developing a latent image. The two-component developer can be used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
    • 包含调色剂的双组分显影剂,其上外部添加平均粒度为25nm以上的疏水性二氧化硅和饱和磁化强度为50〜95Am 2 / kg的载体,其中载体具有 在100V / cm的电场强度下,表面电阻率与体积电阻率之比为1×10 2至1×10 -4 m -1; 以及一种开发方法,包括将上述双组分显影剂涂覆到包括圆周速度为400mm / sec以上的感光体的电子照相装置中,并显影潜像。 双组分显影剂可用于显影在电子照相术,静电记录方法,静电印刷方法等中形成的潜像。
    • 4. 发明授权
    • Encapsulated toner for heat-and-pressure fixing
    • 用于热压定影的封装调色剂
    • US5565293A
    • 1996-10-15
    • US401438
    • 1995-03-09
    • Koji AkiyamaKoji KameyamaKoji ShimokusaKuniyasu Kawabe
    • Koji AkiyamaKoji KameyamaKoji ShimokusaKuniyasu Kawabe
    • G03G9/08G03G9/093
    • G03G9/0821G03G9/093G03G9/09328G03G9/09357
    • The encapsulated toner for heat-and-pressure fixing of the present invention has a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material. Moreover, the encapsulated toner has the following properties: 1) The glass transition temperature ascribed to the thermoplastic resin used as a main component of the heat-fusible core material is 10.degree. C. to 50.degree. C.; 2) A minimum load required for 58 compression of a particle size of the encapsulated toner is from 5 to 50 mgf, and a minimum load required for 10% compression of a particle size of the encapsulated toner is from 10 to 100 mgf, when a compressive variation of one toner particle is measured by a micro compression testing machine under the given conditions; and 3) The difference in cohesiveness before and after keeping the toner standing at 50.degree. C. for 24 hours, is not more than 10, wherein the cohesiveness is defined as the sum of values (a), (b), and (c) obtained by the following equations:(a)=(weight % of the toner remaining.times.1, on a 250 .mu.m mesh-sieve)(b)=(weight % of the toner remaining.times.0.6, and on a 149 .mu.m mesh-sieve)(c)=(weight % of the toner remaining.times.0.2, on a 74 .mu.m mesh-sieve)each of the weight % in the equations being measured by a powder property analyzer.
    • 本发明的热固定用密封调色剂具有至少含有热塑性树脂和着色剂的热熔芯材,其上形成有覆盖芯材表面的外壳。 此外,包封的调色剂具有以下性质:1)归属于用作热熔芯材的主要成分的热塑性树脂的玻璃化转变温度为10℃至50℃; 2)58压缩胶囊调色剂的粒度所需的最小载荷为5至50mgf,并且当胶囊化调色剂的粒径为10%压缩所需的最小载荷为10至100mg,当a 一个调色剂颗粒的压缩变化通过微压缩试验机在给定条件下测量; 和3)保持调色剂在50℃下保持24小时之前和之后的粘结性差异不大于10,其中内聚力定义为值(a),(b)和(c )(a)=(剩余的调色剂的重量%,在250μm筛网上)(b)=(剩余调色剂的重量%×0.6,在149μm筛网上) 筛子)(c)=(剩余的调色剂的重量%×0.2,在74μm筛网上)各方式中的重量%通过粉末性质分析仪测量。
    • 6. 发明授权
    • Method for producing encapsulated toner for heat-and-pressure fixing and
encapsulated toner obtained thereby
    • 用于制造用于热和压力定影的包封调色剂和由此获得的包封的调色剂的方法
    • US5567567A
    • 1996-10-22
    • US334026
    • 1994-11-02
    • Koji AkiyamaTakashi YamaguchiKoji KameyamaKoji Shimokusa
    • Koji AkiyamaTakashi YamaguchiKoji KameyamaKoji Shimokusa
    • G03G9/093
    • G03G9/09392G03G9/09328G03G9/09335G03G9/09342
    • The encapsulated toner for heat-and-pressure fixing of the present invention having a heat-fusible core material containing at least a thermoplastic resin and a shell formed thereon so as to cover the surface of the core material is produced by the method having the steps of (a) dispersing in a shell-forming resin an additive selected from the group consisting of conductive materials, charge control agents, wax components, color pigments, particulate magnetic materials, and mixtures thereof to give a shell-forming resin containing the additive; (b) dissolving the shell-forming resin containing the additive in a mixture containing a core material-constituting monomer; (c) dispersing the mixture obtained in step (b) in an aqueous dispersant, and localizing the shell-forming resin containing the additive on the surface of droplets of the core-constituting material to give a polymerizable composition; and (d) polymerizing the polymerizable composition obtained in step (c) by in situ polymerization to form the core material, the shell in which the additive is dispersed covering the surface of the core material, whereby an encapsulated is formed.
    • 本发明的用于热压定影的包封调色剂具有至少含有热可塑性树脂的热熔性芯材和形成在其上的外壳以覆盖芯材表面的方法,该方法具有以下步骤 (a)在成壳树脂中分散选自导电材料,电荷控制剂,蜡组分,着色颜料,颗粒状磁性材料及其混合物的添加剂,得到含有该添加剂的壳形树脂; (b)将含有添加剂的成壳树脂溶解在含有芯材构成单体的混合物中; (c)将步骤(b)中获得的混合物分散在水性分散剂中,并将含有添加剂的成壳树脂定位在芯构成材料的液滴的表面上,得到可聚合组合物; 和(d)通过原位聚合来聚合步骤(c)中获得的可聚合组合物以形成核心材料,其中分散有添加剂的壳覆盖芯材表面,从而形成封装。
    • 10. 发明授权
    • Tandem seal device
    • 串联密封装置
    • US08585060B2
    • 2013-11-19
    • US12743602
    • 2008-11-18
    • Yoji OshiiKoji AkiyamaJoji WatanabeAtsushi Kaneko
    • Yoji OshiiKoji AkiyamaJoji WatanabeAtsushi Kaneko
    • F16J15/34
    • F16J15/342F16J15/004F16J15/3484F16J15/40
    • A mechanical seal device for obtaining appropriate sliding properties under any conditions, such as a pressure of seal is low or high. Both first grooves 463 and second grooves 464 are formed on a sliding face 46 of a stationary ring 46. The first grooves which are not in communication externally and act for reducing contact resistance of a sliding face by a dynamic pressure action when a rotary shaft rotates, the second grooves act for reducing the contact resistance of the sliding face constantly by introducing a pressure from external. Thus, a mechanical seal device which is available to seal sealed fluid under an appropriate dry contact status wherein a sliding face load is reduced in any condition can be provided.
    • 用于在诸如密封压力的任何条件下获得适当的滑动性能的机械密封装置低或高。 第一凹槽463和第二凹槽464都形成在静止环46的滑动面46上。当旋转轴旋转时,不与外部连通的第一凹槽用于通过动压力降低滑动面的接触电阻 ,第二槽用于通过从外部引入压力来不断地减小滑动面的接触电阻。 因此,可以提供在适当的干接触状态下可用于密封密封流体的机械密封装置,其中在任何情况下滑动面负载减小。