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    • 2. 发明申请
    • IMAGE FORMING METHOD
    • 图像形成方法
    • US20110256479A1
    • 2011-10-20
    • US13082044
    • 2011-04-07
    • Noboru UEDAHiroshi NAGASAWAAnju HORI
    • Noboru UEDAHiroshi NAGASAWAAnju HORI
    • G03G13/20
    • G03G15/2064G03G9/0819G03G9/08795G03G9/08797G03G2215/2009
    • An image forming method is disclosed, comprising transferring and fixing steps, wherein fixing is performed by a fixing device in which at least one of a heating member and a pressing member comprises an endless belt entrained about plural rollers, and the heating member and the pressing member are pressed against each other to form a fixing nip, and wherein toner particles contains a binder resin which has a domain/matrix structure constituted of a high-elastic resin forming a domain and a low-elastic resin forming a matrix in an elastic image obtained when observing the toner particles by an atomic force microscope with respect to a section of the individual toner particles, in which an arithmetic average value of a ratio (L/W) of a major axis (L) to a minor axis (W) of individual domains is 1.5 to 5.0, and domains having the major axis (L) of 60 to 500 nm account for not less than 80% by number of total domains and domains having the minor axis (W) of 45 to 100 nm account for not less than 80% by number of total domains.
    • 公开了一种图像形成方法,包括转印和固定步骤,其中通过定影装置进行定影,其中加热构件和加压构件中的至少一个包括夹在多个辊上的环形带,加热构件和加压构件 构件彼此压靠以形成定影辊隙,并且其中调色剂颗粒包含具有由形成区域的高弹性树脂构成的区域/基体结构的粘合剂树脂和在弹性图像中形成基质的低弹性树脂 通过原子力显微镜相对于单个调色剂颗粒的一部分观察调色剂颗粒时获得的,其中长轴(L)与短轴(W)的比率(L / W)的算术平均值 的单畴为1.5〜5.0,长轴(L)为60〜500nm的畴占总域的数量不少于80%,短轴(W)为45〜100nm的畴为 不是 ss占总域数的80%。
    • 5. 发明申请
    • TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT
    • 静电图像发展的调色剂
    • US20120264046A1
    • 2012-10-18
    • US13446427
    • 2012-04-13
    • Junya ONISHIShiro HIRANOSatoshi UCHINONoboru UEDAShinya OBARA
    • Junya ONISHIShiro HIRANOSatoshi UCHINONoboru UEDAShinya OBARA
    • G03G9/093
    • G03G9/09328G03G9/09364G03G9/09392
    • Disclosed is a toner for electrostatic image development that satisfies both low-temperature fixing ability and excellent high-temperature storage stability, achieves excellent charge property and shatter resistance, and consequently can form a high-quality image even by a high-performance machine such as a high-speed machine.The toner is composed of toner particles obtained by forming a shell layer containing a styrene-acryl-modified polyester resin on the surface of each of core particles comprising a binder resin containing at least a styrene-acrylic resin. The styrene-acryl-modified polyester resin is obtained bonding a styrene-acrylic polymer segment to a terminal of a polyester segment, and the content of the styrene-acrylic polymer segment in the styrene-acryl-modified polyester resin is 5% by mass or more and 30% by mass or less.
    • 公开了一种静电图像显影用调色剂,其既满足低温定影性也具有优异的高温保存稳定性,可以获得优异的充电性和抗碎裂性,并且因此即使通过高性能机器也能形成高质量的图像,例如 一台高速机。 该调色剂由在包含至少含有苯乙烯 - 丙烯酸树脂的粘合剂树脂的每个核心颗粒的表面上形成含有苯乙烯 - 丙烯酸改性聚酯树脂的壳层而获得的调色剂颗粒组成。 得到苯乙烯 - 丙烯酸改性聚酯树脂,将苯乙烯 - 丙烯酸聚合物链段连接到聚酯链段的末端,苯乙烯 - 丙烯酸改性聚酯树脂中苯乙烯 - 丙烯酸聚合物链段的含量为5质量% 多于30质量%以下。
    • 8. 发明申请
    • IMAGE FORMING METHOD
    • 图像形成方法
    • US20080226364A1
    • 2008-09-18
    • US12015670
    • 2008-01-17
    • Masaharu MATSUBARAAsao MATSUSHIMANoboru UEDAGo YAMAGUCHITakayuki SUZUKI
    • Masaharu MATSUBARAAsao MATSUSHIMANoboru UEDAGo YAMAGUCHITakayuki SUZUKI
    • G03G15/20
    • G03G15/2025G03G2215/2032G03G2215/2041
    • An image forming method comprising the steps of: (i) charging a surface of a photoreceptor; (ii) exposing the charged photoreceptor to form an electrostatic latent image; (iii) developing the electrostatic latent image using a toner comprising at least a release agent to form a toner image; (iv) transferring the toner image on the photoreceptor to a transfer material; and (v) fixing the toner image transferred on the transfer material employing a contact-heating fixing devise comprising a pair of belts, wherein the releasing agent comprises a first release agent component containing a monoester compound represented by Formula (1) and a second release agent component containing a hydrocarbon having a branched chain structure, wherein a content of the first release agent is 40 to 98% by mass, based on a total mass of the first release agent component and the second release agent component: R1—COO—R2   Formula (1)
    • 一种图像形成方法,包括以下步骤:(i)对感光体的表面充电; (ii)使带电感光体曝光以形成静电潜像; (iii)使用至少包含脱模剂的调色剂显影静电潜像以形成调色剂图像; (iv)将感光体上的调色剂图像转印到转印材料上; 和(v)使用包含一对带的接触加热固定装置固定转印在转印材料上的调色剂图像,其中所述脱模剂包含含有由式(1)表示的单酯化合物的第一脱模剂组分和第二释放 含有具有支链结构的烃的试剂组分,其中基于第一脱模剂组分和第二脱模剂组分的总质量,第一脱模剂的含量为40〜98质量%:< -formulae description =“在线公式”end =“lead”?R 1 -COO-R 2 2式(1)<?在线公式描述 =“内联公式”end =“tail”?>
    • 9. 发明申请
    • IMAGE FORMING METHOD
    • 图像形成方法
    • US20080166653A1
    • 2008-07-10
    • US11946982
    • 2007-11-29
    • Masaharu MATSUBARAAsao MATSUSHIMANoboru UEDAGo YAMAGUCHI
    • Masaharu MATSUBARAAsao MATSUSHIMANoboru UEDAGo YAMAGUCHI
    • G03G13/20
    • G03G15/2025G03G15/206G03G2215/2009
    • All objective is to provide an image forming method by which sufficient fixing strength can be obtained at a low temperature of 120° C., excellent print images with no belt-like like or streak image defect can be obtained, and no document offsetting is generated even though the superimposed print images are stored. Disclosed is an image forming method comprising the step of fixing a toner image formed with a toner comprising a releasing agent on a transfer material employing a contact-heating fixing device comprising a heating roller and a belt-shaped pressure body, wherein the heating roller is placed on the upper side of the transfer material, the releasing agent comprises the 1st releasing agent component and the 2nd releasing agent component, and the 1st releasing agent component has a content of 40-98% by weight, based on the total weight of the 1st and 2nd releasing agent components.
    • 全部目的是提供一种在120℃的低温下能获得足够的固定强度的图像形成方法,可以获得没有带状或条纹图像缺陷的优异的印刷图像,并且不产生文件偏移 即使叠加的打印图像被存储。 公开了一种图像形成方法,包括以下步骤:将由包含脱模剂的调色剂形成的调色剂图像定影在使用包括加热辊和带状压力体的接触加热定影装置的转印材料上,其中加热辊是 放置在转印材料的上侧,脱模剂包括第一脱模剂组分和第二次脱模剂组分,并且第一<! - SIPO 脱模剂成分的含量为40〜98重量%,基于1重量份和2重量份脱模剂成分的总重量。
    • 10. 发明申请
    • TONER MANUFACTURING METHOD
    • 调色剂制造方法
    • US20120021352A1
    • 2012-01-26
    • US13187012
    • 2011-07-20
    • Masaharu MATSUBARAHiroyuki KOZURUNoboru UEDA
    • Masaharu MATSUBARAHiroyuki KOZURUNoboru UEDA
    • G03G9/087
    • G03G9/0806G03G9/08708G03G9/08755G03G9/08795G03G9/08797
    • Disclosed is a manufacturing method of toner which includes at least polyester resin and colorant, comprising the steps of: (A) dissolving, into an organic solvent, the polyester resin and ultrahigh molecular weight styrene resin in which a peak is present in a range larger than 500 thousands and smaller than 3 million in a molecular weight distribution, and preparing a binder resin solution; (B) dispersing the binder resin solution as binder resin solution droplets into an aqueous medium; (C) removing the organic solvent from the binder resin solution droplets, and preparing a resin particle dispersion; and (D) aggregating resin particles from which the organic solvent is removed and colorant particles containing the colorant with each other, and forming toner particles.
    • 公开了一种至少包含聚酯树脂和着色剂的调色剂的制造方法,包括以下步骤:(A)将聚酯树脂和超高分子量苯乙烯树脂溶解在有机溶剂中,其中峰存在于更大的范围内 分子量分布超过500000,小于300万,制备粘合剂树脂溶液; (B)将作为粘合剂树脂溶液液滴的粘合剂树脂溶液分散到水性介质中; (C)从粘合剂树脂液滴中除去有机溶剂,制备树脂颗粒分散体; 和(D)将除去有机溶剂的树脂颗粒和含有着色剂的着色剂颗粒彼此聚集,并形成调色剂颗粒。