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公开(公告)号：JP2007086355A
公开(公告)日：2007-04-05
申请号：JP2005274485
申请日：2005-09-21
Inventor： OMATSU SHINICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a method capable of efficiently producing a toner without degradation in the treating amount even when the fine powder generated in a manufacturing process of the toner is recycled and subjected to a melt kneading process.
SOLUTION: The method for manufacturing the toner has: a mixing process of mixing a toner raw material composition containing a binder resin and a release agent; a melt kneading process of melt kneading the resultant mixture; a pulverizing process of pulverizing the resultant melt kneaded matter; and a classifying process of classifying the resultant pulverized matter. In the method, the above melt kneading process is performed by using a continuous open roll type kneading machine provided with a plurality of supply ports and kneaded matter discharge ports placed along the axial direction of the roller, and supplying the recovered fine powder of ≤105 μm in grain size generated in the classifying process to the another supply port different from the supply port for the toner raw material composition. The toner is obtained by the above manufacturing method.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：即使当在调色剂的制造过程中产生的细粉再循环并进行熔融捏合工艺时，提供能够有效地生产调色剂而不降低处理量的方法。 调色剂的制造方法：混合含有粘合剂树脂的调色剂原料组合物和脱模剂的混合方法; 熔融捏合所得混合物的熔融捏合方法; 粉碎所得熔融捏合物的粉碎过程; 以及对所得粉碎物质进行分级的分级方法。 在该方法中，通过使用设置有沿着辊的轴向设置的多个供给口和捏合物排出口的连续开式辊式捏合机，进行上述熔融捏合处理，并将回收的细粉末提供≤105 在分级过程中产生的颗粒尺寸为不同于调色剂原料组合物的供给口的另一供给口。 通过上述制造方法获得调色剂。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2003280272A
公开(公告)日：2003-10-02
申请号：JP2002086855
申请日：2002-03-26
Inventor： OMATSU SHINICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a method for obtaining toner having excellent transparency, gloss and offset resistance while suppressing production of transparent aggregates even when crosslinked polyester and a polyvalent metal compound of salicylic acid derivative with the valence of ≥3 is used. SOLUTION: The method for manufacturing a toner includes a process of melting and kneading at least a binder resin and a charge controlling agent by using an open-roll type kneading machine. The binder resin comprises crosslinked polyester. The charge controlling agent comprises a polyvalent metal compound of salicylic acid derivative having the valance of 3 expressed by formula (I). In formula (I), each of R 1 , R 2 , R 3 independently represents a hydrogen atom, a straight-chain or branched-chain 1-20C alkyl group or alkenyl group, or a 6-20C aryl group, M is a polyvalent metal with the valence of ≥3, m is an integer ≥2, and n is an integer ≥1. COPYRIGHT: (C)2004,JPO
Abstract translation: 解决问题的方法：即使使用交联聚酯和价数≥3的水杨酸衍生物的多价金属化合物时，也可以提供一种抑制透明聚集体生成而获得优异的透明度，光泽和抗粘附性的调色剂的方法 。 ＆lt; P＆gt;解决方案：调色剂的制造方法包括通过使用开式辊式捏合机将至少粘合剂树脂和电荷控制剂熔融和捏合的方法。 粘合剂树脂包括交联聚酯。 电荷控制剂包含由式（I）表示的化合价为3的水杨酸衍生物的多价金属化合物。 在式（I）中，R 1，R 2，R 3，R 3，各自独立地表示氢原子，直链或支链烷基， 链1-20C烷基或烯基，或6-20C芳基，M为价数≥3的多价金属，m为≥2的整数，n为≥1的整数。 版权所有（C）2004，JPO
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公开(公告)号：JP2002131979A
公开(公告)日：2002-05-09
申请号：JP2000321134
申请日：2000-10-20
Applicant: KAO CORP
Inventor： OMATSU SHINICHIRO , INOUE HIROSAKU , HATTORI TOSHIHIRO , SHIRAI EIJI
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing toner by which a toner having sharp distribution of the grain size can be obtained in a high yield and the toner can be industrially and continuously produced. SOLUTION: The method for manufacturing a toner includes processes of melting and kneading at least a coloring agent and a binder resin, cooling, then roughly pulverizing the obtained kneaded material into particles of the maximum
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公开(公告)号：JPH08262800A
公开(公告)日：1996-10-11
申请号：JP8625595
申请日：1995-03-17
Applicant: KAO CORP
Inventor： OMATSU SHINICHIRO , KANAMARU YUTAKA , HIRATA SHUICHI
Abstract: PURPOSE: To obtain the yellow developer superior in image density and small in fog and good in transparency in the case of developing an image on an OHP transparency and stable in chargeability by using the developer composed of a toner comprising a specified colorant, binder resin and charge controller, and a carrier having a specified coating layer. CONSTITUTION: The developer is composed of the toner containing the colorant, such as a chromatic dye or a pigment, and embodied by a C. I. Pigment Yellow 12 to be used in an amount of 1-10wt.% of the binder resin, and the binder resin embodied by a polyester resin having a softening point of 90-110 deg.C measured by the ring and ball method, and the charge controller embodied by a metal salt of a benzyl derivative represented by the formula in which M is a Li, Na, or K metal atom, and the carrier coated with a silicone resin or an acrylic resin obtained by dispersing a conductive powder into the resin.
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公开(公告)号：JPH08220808A
公开(公告)日：1996-08-30
申请号：JP5337195
申请日：1995-02-16
Applicant: KAO CORP
Inventor： OMATSU SHINICHIRO , SEMURA TETSUHIRO
Abstract: PURPOSE: To provide a full-color electrophotographic toner which has good meltability, improves the brightness of images, has excellent offset resistance, is adequately usable for a full-color electrophotographic system not equipped with an oil applicator and contributes to the simplification and miniaturization of devices. CONSTITUTION: This full-color electrophotographic toner is formed by contg. at least a binder resin, release agent and coloring agents and does not require oil application as the release agent on a roller surface at the time of fixing by using the heat roller. The essential component of the binder resin is a linear polyester consisting of an aliphat. based satd. dicarboxylic acid having a softening point of 90 to 120 deg.C by a flow tester recommended by the Society of Polymer Chemistry and/or its acid anhydride or lower alkyl ester as its constituting monomer. The release agent is carnauba wax.
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Patent Agency Ranking26.发明专利
公开(公告)号：JPH03178987A
公开(公告)日：1991-08-02
申请号：JP406490
申请日：1990-01-11
Applicant: KAO CORP
Inventor： OMATSU SHINICHIRO , MASUDA MITSUHARU , ITO YUJI , IMAMURA TAKASHI , KUROSAKI TOMIHIRO
Abstract: NEW MATERIAL:A monoalkyl phosphoric acid zinc alkali metal salt of formula I (A is alkali metal; R is 8-32C hydrocarbon) having a 8-32C hydrocarbon group. EXAMPLE:Monocetylphosphoric acid zinc sodium salt. USE:A cosmetic. The salt comprises plate-like crystal particles as a main component, slightly contains aggregates and has an excellent function as a lubricant having good smoothness, transparency, etc. PREPARATION:A monoalkylphosphoric acid of formula II having a neutralization degree of 0.8-1.2 and a zinc salt of formula XmYn (X is zinc; Y is inorganic anion or organic anion; m and n are integers corresponding to the atomic valencies of Y and X, respectively) are subjected to a salt exchange reaction with each other and the reaction system is adjusted to a pH of 2-6.
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公开(公告)号：JP2009157236A
公开(公告)日：2009-07-16
申请号：JP2007337458
申请日：2007-12-27
Inventor： OMATSU SHINICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a toner giving an image with little change in gloss regardless to a fixing temperature, and to provide a method for manufacturing the toner.
SOLUTION: The method for manufacturing a toner includes a step of melt-kneading a toner source material comprising at least a binder resin, a colorant and a release agent by use of an open-roll type kneading machine. The binder resin contains a low softening point resin having a softening point of from 70°C to less than 130°C and a high softening point resin having a softening point of from 130 to 170°C. In the above melt-kneading step, when an effective kneading length in the kneading machine, the end of kneading in an upstream side in the effective kneading length of the roll, and the end of kneading in a downstream side are denoted by L, 0L and 1L, respectively, the low softening point resin is supplied to the kneading machine at a position from 0L to 0.3L while the high softening point resin is supplied to the kneading machine at a position from 0.4L to 0.7L. A toner is obtained by the above method.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种赋予与定影温度无关的光泽变化小的图像的调色剂，并提供调色剂的制造方法。 ＆lt; P＆gt;解决方案：调色剂的制造方法包括通过使用开式辊式捏合机将至少包含粘合剂树脂，着色剂和脱模剂的调色剂源材料熔融捏合的步骤。 粘合剂树脂含有软化点为70℃以上且低于130℃的低软化点树脂和软化点为130〜170℃的高软化点树脂。 在上述熔融捏合步骤中，当捏合机中的有效捏合长度，辊的有效捏合长度的上游侧的捏合结束和下游侧的捏合结束为L时，将0L 和1L的低软化点树脂在0L至0.3L的位置供给捏合机，同时向0.4L至0.7L的位置供给高软化点树脂。 通过上述方法得到调色剂。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2007225707A
公开(公告)日：2007-09-06
申请号：JP2006044177
申请日：2006-02-21
Inventor： SHIMOKUSA KOUJI , OMATSU SHINICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a method by which even if fine powder generated in a toner manufacturing process is reused and supplied to a melt kneading step, toner excellent in durability and in dispersibility of materials such as a colorant can be efficiently manufactured without reducing productivity, and the toner obtained by the method.
SOLUTION: The method for manufacturing the toner includes: a step (I) of melt-kneading a toner material composition containing a binder resin and a colorant and recovered fine powder; a step (II) of cooling a kneaded product obtained at the step (I) and pulverizing it in the presence of inorganic fine powder; and a step (III) of classifying pulverized powder obtained at the step (II), wherein the recovered fine powder is fine powder generated at the step (III) and the step (I) is carried out by using a continuous open roll type kneading machine with a plurality of supply ports and a kneaded product discharge port arranged along an axial direction of rolls and supplying the recovered fine powder to the kneading machine from a supply port different from a supply port for the toner material composition.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种方法，即使在调色剂制造过程中产生的细粉末被再次使用并供应到熔融捏合步骤中，可以有效地使用着色剂等材料的耐久性和分散性优异的调色剂 制造而不降低生产率，以及通过该方法获得的调色剂。 解决方案：调色剂的制造方法包括：熔融捏合含有粘合剂树脂和着色剂的调色剂组合物和回收的细粉末的步骤（I）; 将工序（I）得到的混炼物冷却并在无机细粉末存在下粉碎的工序（II） 和分级步骤（II）中得到的粉碎粉末的步骤（III），其中回收的细粉末是在步骤（III）和步骤（I）中产生的细粉末，通过使用连续开放式捏合 机器具有多个供给口和沿着辊的轴向布置的捏合产物排出口，并且从不同于调色剂材料组合物的供给口的供给口将回收的细粉供给到捏合机。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006126803A
公开(公告)日：2006-05-18
申请号：JP2005267255
申请日：2005-09-14
Inventor： OMATSU SHINICHIRO , ARITA TOSHIHARU
Abstract: PROBLEM TO BE SOLVED: To provide a process by which a small-particle-diameter toner having a sharp particle size distribution can be efficiently prepared.
SOLUTION: The process for producing a toner includes a step of pulverizing a crushed product of a composition comprising a resin binder and a colorant with a fluidized-bet jet mill in the presence of fine inorganic oxide particles. A toner having a volume median particle diameter (D
50 ) of 3.5-8 μm obtained by the producing process is provided.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供可以有效地制备具有尖锐粒度分布的小粒径调色剂的方法。 解决方案：调色剂的制造方法包括在细无机氧化物粒子的存在下，用流化床喷射磨粉碎包含树脂粘合剂和着色剂的组合物的粉碎产物的步骤。 提供通过制造方法获得的具有3.5-8μm的体积中值粒径（D
50BS）的调色剂。 版权所有（C）2006，JPO＆NCIPI -
公开(公告)号：JP2006106226A
公开(公告)日：2006-04-20
申请号：JP2004290840
申请日：2004-10-01
Inventor： OMATSU SHINICHIRO
IPC: G03G9/087
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently manufacturing toner having a small particle size and sharp distribution of the grain size.
SOLUTION: The method includes steps of: finely pulverizing a coarsely pulverized material containing a binder resin and a colorant by a jet pulverizing machine in the presence of inorganic oxide fine particles to obtain classified powder with pulverization upper limit; and classifying the classified powder with pulverization upper limit by a classifying machine, wherein the classifying machine has a classifying rotor having a driving shaft as the center axis disposed in a vertical direction in a casing and fixed spiral guide vanes having the center axis identical to the driving shaft of the classifying rotor and disposed to form a space from the outer circumference of the classifying rotor in a classifying zone around the classifying rotor. The median particle diameter (D
50 ) in volume of the toner is 3.5 to 8 μm and the coefficient of variance is ≤22%.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种有效地制造具有小粒度和晶粒尺寸的尖锐分布的调色剂的方法。 解决方案：该方法包括以下步骤：在无机氧化物细颗粒存在下，通过喷射粉碎机将含有粘合剂树脂和着色剂的粗粉碎物料粉碎，得到粉碎上限的分级粉末; 并通过分选机对分级粉末进行粉碎上限分类，其中分选机具有分级转子，该分选机具有作为中心轴的驱动轴作为垂直方向设置在壳体中，并且具有与中心轴相同的固定螺旋导叶 分级转子的驱动轴，并且设置成在分级转子周围的分级区中从分级转子的外周形成空间。 调色剂体积的中值粒径（D
50 ）为3.5〜8μm，方差系数≤22％。 版权所有（C）2006，JPO＆NCIPI
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