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公开(公告)号:US07842448B2
公开(公告)日:2010-11-30
申请号:US11335661
申请日:2006-01-20
IPC分类号: G03G15/09
CPC分类号: G03G15/09 , G03G2215/0609
摘要: A method of forming fixed images, including the step of applying a two-component developer containing a carrier and a toner containing a wax and a resin binder containing a crystalline polyester to a two-component development device with a linear speed of from 500 to 5,000 mm/sec, to develop the toner, wherein the crystalline polyester is contained in an amount of from 3 to 40% by weight and the wax in an amount of from 2.5 to 10% by weight, of the toner, and wherein the two-component development device comprises at least three magnet rollers which are arranged closely to each other along the perimeter of a photoconductor, wherein one magnet roller arranged on the uppermost side in the rotational direction of the photoconductor rotates in a direction opposite to the rotational direction of the photoconductor at the point therebetween, and the other magnet rollers rotate in the same direction as the photoconductor at the point therebetween. The method of forming fixed images according to the present invention forms excellent fixed images by, for example, development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
摘要翻译: 一种形成固定图像的方法,包括将包含载体的双组分显影剂和含有蜡的调色剂和含有结晶聚酯的树脂粘合剂施加到线性速度为500至5,000的双组分显影装置的步骤 mm /秒,以显影调色剂,其中结晶聚酯的含量为3至40重量%,蜡的含量为调色剂的2.5至10重量%,并且其中, 部件显影装置包括沿着光电导体的周边彼此紧密配置的至少三个磁体辊,其中布置在光电导体的旋转方向上的最上侧的一个磁体辊沿与该光电导体的旋转方向相反的方向旋转 光电导体在其间的点处,并且其它磁体辊在与它们之间的点处沿与光电导体相同的方向旋转。 根据本发明的形成固定图像的方法通过例如在电子照相术形成的潜像的显影,静电记录方法,静电印刷方法等来形成优良的固定图像。
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公开(公告)号:US07820354B2
公开(公告)日:2010-10-26
申请号:US11578292
申请日:2005-04-20
申请人: Eiji Shirai
发明人: Eiji Shirai
IPC分类号: G03G9/08
CPC分类号: G03G9/0821 , G03G9/081 , G03G9/08755
摘要: The present invention relates to a process for producing a toner including the steps of melt-kneading raw materials containing two or more kinds of polyesters, heat-treating a melt-kneaded product, pulverizing a heat-treated product, and classifying a pulverized product, wherein the two or more kinds of polyesters contain at least one kind of an amorphous polyester, and the heat-treating step is carried out at a temperature t (° C.) and time h (hour) satisfying the following formulas (a) and (b), Tg1≦t≦Tm−10 (a) h≧100/(t−30), with proviso that t>30 (b) wherein Tg1 is a glass transition temperature (° C.) of the melt-kneaded product before the heat-treating step; and Tm is the lowest softening point (° C.) of softening points of the two or more kinds of polyesters, and the toner produced by the process. The toner obtained according to the present invention is suitably used, for example, for developing latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
摘要翻译: 本发明涉及一种调色剂的制造方法,该方法包括以下步骤:将含有两种或多种聚酯的原料熔融捏合,热熔融捏合产物,粉碎热处理产物,分级粉碎产物, 其中所述两种或更多种聚酯含有至少一种无定形聚酯,并且所述热处理步骤在满足下列通式(a)和(b)的温度t(℃)和时间h(小时) (b),Tg1≦̸ t≦̸ Tm-10(a)h≥100/(t-30),条件是t> 30(b)其中Tg1是熔融捏合的玻璃化转变温度 产品在热处理步骤之前; 并且Tm是两种或多种聚酯的软化点的最低软化点(℃)和由该方法产生的调色剂。 根据本发明获得的调色剂适合用于例如用于在电子照相术,静电记录方法,静电印刷方法等中形成的显影潜像。
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公开(公告)号:US20090036635A1
公开(公告)日:2009-02-05
申请号:US12167565
申请日:2008-07-03
申请人: Eiji SHIRAI , Yoshitomo Kimura , Yasunori Inagaki , Takashi Kubo , Naoki Morita , Ryo Koike , Hiromi Iida
发明人: Eiji SHIRAI , Yoshitomo Kimura , Yasunori Inagaki , Takashi Kubo , Naoki Morita , Ryo Koike , Hiromi Iida
IPC分类号: C08G63/66 , C08G63/06 , C07C39/10 , C07C59/105 , C07C69/84
摘要: A promoter for a polycondensation reaction used together with a catalyst in a polycondensation reaction, the promoter for a polycondensation reaction comprising a pyrogallol compound having a benzene ring of which three hydrogen atoms adjacent to each other are substituted by hydroxyl groups; and a polycondensation resin obtained by polycondensing raw material monomers using the promoter as defined above and the catalyst. A polycondensation resin can be produced using the promoter of the present invention together with a catalyst in a polycondensation reaction, and the polycondensation resin can be used in various applications including, for example, films, sheets, fibers, toner materials for electrophotography, and the like.
摘要翻译: 在缩聚反应中与催化剂一起使用的缩聚反应促进剂,包含彼此相邻的苯环被苯环取代的具有苯环的连苯三酚化合物的缩聚反应促进剂; 以及使用上述促进剂和催化剂使原料单体缩聚得到的缩聚树脂。 可以使用本发明的促进剂与缩聚反应中的催化剂一起制造缩聚树脂,缩聚树脂可以用于各种用途,包括例如薄膜,片材,纤维,电子照相用调色剂材料和 喜欢。
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公开(公告)号:US20070135615A1
公开(公告)日:2007-06-14
申请号:US11559711
申请日:2006-11-14
申请人: Eiji Shirai , Tetsuya Ueno
发明人: Eiji Shirai , Tetsuya Ueno
IPC分类号: C08G63/16
CPC分类号: C08G63/16 , C08G63/20 , C08G63/52 , C08G63/668 , C08G63/78 , G03G9/08755
摘要: The present invention relates to a polyester for a toner, obtained by polycondensing an alcohol component and a carboxylic acid component containing an alkylsuccinic acid having 10 or more carbon atoms, an alkenylsuccinic acid having 10 or more carbon atoms, or a mixture thereof, in an amount of from 0.5 to 50% by mole, wherein each of 6-methyl-2-heptanone and 5-methyl-2-heptanone is detected in an amount of 0.5 ppm or less as determined by thermal desorption-gas chromatography-mass spectrometry. The polyester for a toner of the present invention is used as a resin binder, or the like, for a toner used, for example, for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
摘要翻译: 本发明涉及一种调色剂用聚酯,其通过将醇成分和含有10个以上碳原子的烷基琥珀酸的羧酸成分,碳原子数为10以上的链烯基丁二酸或其混合物缩聚得到, 量为0.5〜50摩尔%,其中通过热解吸 - 气相色谱 - 质谱法测定,以0.5ppm或更低的量检测6-甲基-2-庚酮和5-甲基-2-庚酮。 用于本发明的调色剂的聚酯用作树脂粘合剂等,用于例如用于显影在电子照相术中形成的静电潜像,静电记录方法,静电印刷方法等中使用的调色剂。
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公开(公告)号:US20070093597A1
公开(公告)日:2007-04-26
申请号:US11562063
申请日:2006-11-21
申请人: Takashi KUBO , Katsutoshi Aoki , Eiji Shirai
发明人: Takashi KUBO , Katsutoshi Aoki , Eiji Shirai
IPC分类号: C08K3/32
CPC分类号: C08G63/195 , C08G63/85 , G03G9/08755 , G03G9/09708
摘要: A polyester resin composition for a toner comprising a titanium compound in an amount of from 0.005 to 4% by weight, and an inorganic phosphorus compound in an amount of from 0.001 to 5% by weight; a toner comprising the polyester resin composition as defined above; and a process for preparing the polyester resin composition for a toner as defined above, comprising the step of polycondensing the raw material monomers for the polyester in the presence of a titanium compound and an inorganic phosphorus compound. The polyester resin composition for a toner is suitably used as a resin binder for a toner for developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like, a process for preparing the same, and a toner comprising the polyester resin composition.
摘要翻译: 一种用于调色剂的聚酯树脂组合物,其包含0.005至4重量%的钛化合物和0.001至5重量%的无机磷化合物; 包含如上所述的聚酯树脂组合物的调色剂; 以及制备如上所述的调色剂用聚酯树脂组合物的方法,包括在钛化合物和无机磷化合物的存在下将聚酯原料单体缩聚的步骤。 用于调色剂的聚酯树脂组合物适合用作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的调色剂的树脂粘合剂,其制备方法和包含聚酯的调色剂 树脂组合物。
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公开(公告)号:US4790796A
公开(公告)日:1988-12-13
申请号:US117537
申请日:1987-11-06
申请人: Yoshio Okabe , Yukimori Kobayashi , Eiji Shirai
发明人: Yoshio Okabe , Yukimori Kobayashi , Eiji Shirai
CPC分类号: F16H7/1272 , F16H7/08 , F16H7/0848 , F16H7/1236 , F02B67/06 , F16H2007/0806 , F16H2007/0812 , F16H2007/0859 , F16H2007/0891 , F16H7/0836
摘要: A free piston type auto-tensioner adjusts a tension of an engine timing belt for automobiles. The auto-tensioner includes a body, a plunger slidably disposed in the body to form a first oil chamber, a free piston slidably disposed in the body to form a second oil chamber, a first seal member disposed between the body and the piston, a second seal member disposed between the piston and a rod of the plunger, an oil passage formed in the plunger to establish an oil communication between the first and second oil chambers, a check valve disposed in the oil passage, a first spring biasing the plunger, and a second spring biasing the piston.
摘要翻译: 自由活塞式自动张紧器调节汽车发动机正时皮带的张力。 自动张紧器包括主体,可滑动地设置在主体中以形成第一油室的柱塞,可滑动地设置在主体中以形成第二油室的自由活塞,设置在主体和活塞之间的第一密封构件, 设置在所述活塞和所述柱塞杆之间的第二密封构件,形成在所述柱塞中以在所述第一和第二油室之间建立油连通的油通道,设置在所述油通道中的止回阀,施加所述柱塞的第一弹簧, 以及偏压所述活塞的第二弹簧。
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公开(公告)号:US4662325A
公开(公告)日:1987-05-05
申请号:US756647
申请日:1985-07-19
申请人: Yoshio Okabe , Eiji Shirai
发明人: Yoshio Okabe , Eiji Shirai
CPC分类号: F01L1/25
摘要: A self-container hydraulic valve lifter includes a lifter body slidably mounted in a lifter case, a free piston slidably mounted between the lifter body and the lifter case, a plunger slidably mounted in the lifter body and dividing an interior portion of the lifter body into a reservoir chamber and a pressure chamber, a check valve for allowing fluid flow from the reservoir chamber to the pressure chamber, and an operating chamber formed between the free piston and the lifter case and communicated with the reservoir chamber in order to decrease the diameter of the pressure chamber in comparison with that of the free piston.
摘要翻译: 自吸式液压气门挺杆包括可滑动地安装在升降机壳体中的升降机体,可滑动地安装在升降机主体和升降机壳体之间的自由活塞,可滑动地安装在升降机主体中并将升降机体的内部分成 储存室和压力室,用于允许流体从储存室流到压力室的止回阀,以及形成在自由活塞和升降器壳体之间并与储存室连通的操作室,以便减小直径 压力室与自由活塞相比。
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公开(公告)号:US08389189B2
公开(公告)日:2013-03-05
申请号:US13038607
申请日:2011-03-02
申请人: Eiji Shirai , Shoichi Murata
发明人: Eiji Shirai , Shoichi Murata
CPC分类号: G03G9/08755 , G03G9/08797 , G03G9/09328 , G03G9/09371 , G03G9/09392
摘要: The present invention relates to a resin binder for toners which includes core/shell particles each including a core portion containing a crystalline polyester obtained by polycondensing an alcohol component containing an aliphatic diol having 2-12 carbon atoms and a carboxylic acid component containing an aliphatic dicarboxylic acid compound having 8-12 carbon atoms in an amount of 70-100 mol %, and a non-crystalline resin (A) obtained by polycondensing an alcohol component and a carboxylic acid component containing at least one succinic acid compound selected from the group consisting of an alkyl (C9-C18) succinic acid and an alkenyl (C9-C18) succinic acid in an amount of 3-60 mol %; and a shell portion containing a non-crystalline resin (B) obtained by polycondensing a carboxylic acid component and an alcohol component containing an aliphatic dialcohol having 2-5 carbon atoms in an amount of 80 mol % or more.
摘要翻译: 本发明涉及一种用于调色剂的树脂粘合剂,其包括核/壳颗粒,每个核/壳颗粒包含含有通过缩聚含有2-12个碳原子的脂族二醇的醇组分和含有脂族二羧酸的羧酸组分而获得的结晶聚酯的芯部分 具有70-100摩尔%的8-12个碳原子的酸性化合物和通过将醇组分和含有至少一种琥珀酸化合物的羧酸组分缩聚得到的非结晶树脂(A),所述琥珀酸化合物选自 的3-60摩尔%的烷基(C 9 -C 18)琥珀酸和烯基(C 9 -C 18)琥珀酸; 以及含有通过使羧酸成分缩聚得到的非结晶性树脂(B)和含有碳原子数为2-5的脂肪族二醇的醇成分的壳部,其含量为80摩尔%以上。
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公开(公告)号:US20120258392A1
公开(公告)日:2012-10-11
申请号:US13516990
申请日:2010-12-17
申请人: Shoichi Murata , Eiji Shirai , Hiroshi Mizuhata , Manabu Suzuki
发明人: Shoichi Murata , Eiji Shirai , Hiroshi Mizuhata , Manabu Suzuki
IPC分类号: G03G9/08
CPC分类号: G03G9/0804 , G03G9/08755 , G03G9/08797 , G03G9/09733
摘要: A method for producing an electrophotographic toner, including (1) a step of preparing a thermally treated resin particle dispersion by retaining, for one hour or longer at a temperature satisfying a specific formula, a dispersion of resin particles (A) having a volume median particle size of 0.02 μm to 2 μm and containing a resin containing a crystalline polyester (a1) in an amount of 1 to 50 wt % and an amorphous polyester (b1); (2) a step of preparing an aggregated particle dispersion by aggregating thermally treated resin particles contained in the thermally treated resin particle dispersion prepared through step 1; (2a) a step of preparing resin-fine-particle-attached aggregated particles by adding, to the aggregated particle dispersion prepared through step 2, a dispersion of resin fine particles (B) containing an amorphous polyester (b2) in an amount of 70 wt % or more; and (3) a step of unifying the resin-fine-particle-attached aggregated particles prepared through step 2a.
摘要翻译: 一种电子照相调色剂的制造方法,其特征在于,包括:(1)通过在满足特定式的温度下保持1小时以上制备热处理树脂颗粒分散液的步骤,具有体积中值 粒径为0.02〜2μm,含有含有1〜50重量%的结晶性聚酯(a1)的树脂和无定形聚酯(b1); (2)通过聚集通过步骤1制备的热处理树脂颗粒分散体中包含的热处理树脂颗粒来制备凝聚颗粒分散体的步骤; (2a)通过向通过步骤2制备的凝集颗粒分散体中加入含有非晶形聚酯(b2)的树脂细颗粒(B)的分散体70,制备树脂 - 细颗粒附着凝集颗粒的步骤 重量%以上; 和(3)将通过步骤2a制备的树脂 - 细颗粒附着的凝集粒子统一的工序。
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公开(公告)号:US20110045402A1
公开(公告)日:2011-02-24
申请号:US12835317
申请日:2010-07-13
申请人: Akihiro Eida , Koji Kameyama , Eiji Shirai
发明人: Akihiro Eida , Koji Kameyama , Eiji Shirai
IPC分类号: G03G9/08
CPC分类号: G03G9/081 , G03G9/08708 , G03G9/08711 , G03G9/08797
摘要: A method for producing a toner including the steps of melt-kneading at least a resin binder and a colorant to give a kneaded product (step 1); and heat-treating the kneaded product obtained in the step 1 (step 2), wherein the resin binder contains a crystalline resin and an amorphous resin, wherein the crystalline resin contains a specified composite resin containing (a) a specified polycondensation resin component and (b) a styrenic resin component, in a specified weight ratio, wherein the composite resin is contained in the resin binder in a specified amount. The toner obtained by the above method is used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
摘要翻译: 一种制造调色剂的方法,包括以下步骤:将至少一种树脂粘合剂和着色剂熔融捏合,得到捏合产品(步骤1); 对步骤1(步骤2)中得到的捏合物进行热处理,其中树脂粘合剂含有结晶性树脂和无定形树脂,其中,所述结晶性树脂含有特定的复合树脂,其含有(a)规定的缩聚树脂成分和( b)以特定重量比的苯乙烯树脂组分,其中所述复合树脂以特定量包含在所述树脂粘合剂中。 通过上述方法获得的调色剂用于例如在电子照相术,静电记录方法,静电印刷方法等中形成的潜像的显影。
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