公开(公告)号：US20090214976A1

公开(公告)日：2009-08-27

申请号：US11813580

申请日：2006-01-12

申请人： Takashi Teshima ,  Satoru Miura

发明人： Takashi Teshima ,  Satoru Miura

IPC分类号： G03G9/08 ,  G03G5/00 ,  G03G9/00

CPC分类号： G03G9/125 ,  G03G9/12 ,  G03G9/13

摘要： A liquid developer comprised of toner particles having excellent fixing properties to a recording medium is provided, and a liquid developer in which toner particles having uniform shape and small particle size distribution are dispersed is also provided, and further a method of producing a liquid developer capable of producing such a liquid developer efficiently is also provided. In particular, a producing method capable of producing such a liquid developer as described above in a method harmless to the environment is provided. The liquid developer producing method is a method for producing a liquid developer which is comprised of an insulation liquid and toner particles dispersed in the insulation liquid and is characterized by comprising the steps of: a water-based dispersion liquid preparing step for preparing a water-based dispersion liquid, the water-based dispersion liquid comprising a dispersoid comprised of a material containing a resin material and a water-based dispersion medium constituted from a water-based liquid in which the dispersoid is dispersed; a dispersion medium removal step for removing the dispersion medium to obtain toner particles; and a dispersing step for dispersing the toner particles into the insulation liquid.

摘要翻译： 提供了由具有对记录介质具有优异定影性的调色剂颗粒组成的液体显影剂，并且还提供了其中分散具有均匀形状和小粒度分布的调色剂颗粒的液体显影剂，并且还提供了一种制备液体显影剂的方法 还提供了有效地生产这种液体显影剂的方法。 特别地，提供一种能够以无害于环境的方法制造如上所述的这种液体显影剂的制造方法。 液体显影剂的制造方法是由绝缘液体和分散在绝缘液中的调色剂颗粒构成的液体显影剂的制造方法，其特征在于，包括以下工序：水性分散液的制备工序， 所述水性分散液包含由含有树脂材料的材料构成的分散质和由分散有分散体的水性液体构成的水性分散介质; 用于除去分散介质以获得调色剂颗粒的分散介质去除步骤; 以及用于将调色剂颗粒分散到绝缘液体中的分散步骤。

公开(公告)号：US08097392B2

公开(公告)日：2012-01-17

申请号：US12167702

申请日：2008-07-03

申请人： Takashi Teshima ,  Satoru Miura

发明人： Takashi Teshima ,  Satoru Miura

IPC分类号： G03G9/13

CPC分类号： G03G15/11 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/125

摘要： A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material. The resin material is characterized in that a weight-average molecular weight Mw of the resin material is in the range of 20,000 to 200,000, and an amount of a component of which molecular weight M is 10,000 or less contained in the resin material is in the range of 5 to 40 wt %. The liquid developer described above is harmless to the environment. Further, the liquid developer also has superior preservability or storage stability and superior fixing characteristics at a low temperature. An image forming apparatus that can suitably use such a liquid developer is also provided.

摘要翻译： 液体显影剂包括含有脂肪酸单酯的绝缘液体和由树脂材料构成的调色剂颗粒。 树脂材料的特征在于，树脂材料的重均分子量Mw在20,000〜200,000的范围内，树脂材料中含有的分子量M为10,000以下的成分的量在 范围为5〜40重量％。 上述液体显影剂对环境无害。 此外，液体显影剂还具有优异的保存性或储存稳定性以及在低温下优异的定影特性。 还提供了可以适当地使用这种液体显影剂的图像形成装置。

公开(公告)号：US07943282B2

公开(公告)日：2011-05-17

申请号：US11936664

申请日：2007-11-07

申请人： Koji Akioka ,  Takashi Teshima ,  Satoru Miura ,  Shunichiro Yamanaka ,  Ken Ikuma

发明人： Koji Akioka ,  Takashi Teshima ,  Satoru Miura ,  Shunichiro Yamanaka ,  Ken Ikuma

IPC分类号： G03G9/00

CPC分类号： G03G15/10 ,  G03G9/12 ,  G03G9/125 ,  G03G9/135 ,  G03G9/1355

摘要： A liquid developer includes: an insulating liquid having dispersed therein toner particles, the insulating liquid containing a fatty acid monoester that is an ester of a fatty acid and a monohydric alcohol, and the insulating liquid having an aniline point of from 5 to 80° C.

摘要翻译： 液体显影剂包括：分散有调色剂颗粒的绝缘液体，所述绝缘液体含有作为脂肪酸和一元醇的酯的脂肪酸单酯，所述绝缘液的苯胺点为5〜80℃ 。

公开(公告)号：US07862976B2

公开(公告)日：2011-01-04

申请号：US11777197

申请日：2007-07-12

申请人： Satoru Miura ,  Koji Akioka ,  Hiroshi Kaiho ,  Takashi Teshima ,  Ken Ikuma

发明人： Satoru Miura ,  Koji Akioka ,  Hiroshi Kaiho ,  Takashi Teshima ,  Ken Ikuma

IPC分类号： G03G5/00

CPC分类号： G03G9/125 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/132

摘要： A liquid developer having superior fixing characteristic of toner particles to a recording medium and which is harmless to the environment, and an image forming apparatus using the liquid developer are provided. The liquid developer is comprised of an insulation liquid and toner particles dispersed in the insulation liquid, wherein the insulation liquid contains a first vegetable oil and a reaction product produced by an ester exchange reaction of a second vegetable oil and a monovalent alcohol.

摘要翻译： 提供了具有优异的调色剂颗粒到记录介质的固定特性并且对环境无害的液体显影剂，以及使用液体显影剂的图像形成设备。 液体显影剂由绝缘液体和分散在绝缘液体中的调色剂颗粒构成，其中绝缘液体含有第一植物油和通过第二植物油与一价醇的酯交换反应产生的反应产物。

公开(公告)号：US08076049B2

公开(公告)日：2011-12-13

申请号：US12167688

申请日：2008-07-03

申请人： Takashi Teshima ,  Satoru Miura

发明人： Takashi Teshima ,  Satoru Miura

IPC分类号： G03G9/00

CPC分类号： G03G15/10 ,  G03G9/125 ,  G03G9/13 ,  G03G9/131 ,  G03G9/132 ,  G03G2215/0629

摘要： A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material, the resin material containing a first resin component and a second resin component of which weight-average molecular weight Mw2 is larger than a weight-average molecular weight Mw1 of the first resin component. The first resin component and the second resin component are characterized in that the weight-average molecular weight Mw1 of the first resin component is in the range of 3,000 to 12,000, the weight-average molecular weight Mw2 of the second resin component is in the range of 20,000 to 400,000, and when an amount of the first resin component contained in the resin material is defined as A (wt %) and an amount of the second resin component contained in the resin material is defined as B (wt %), A and B satisfy a relation: 1.0≦A/B≦9.0. The liquid developer described above is harmless to the environment. Further, the liquid developer also has superior preservability and storage stability and superior fixing characteristics at a low temperature. An image forming apparatus that can suitably use such a liquid developer is also provided.

摘要翻译： 液体显影剂包括含有脂肪酸单酯的绝缘液体和由树脂材料构成的调色剂颗粒，含有第一树脂组分的树脂材料和重均分子量Mw2大于重均分子量的第二树脂组分 第一树脂组分的重量Mw1。 第一树脂成分和第二树脂成分的特征在于，第一树脂成分的重均分子量Mw1为3,000〜12000的范围，第二树脂成分的重均分子量Mw2为 为20〜40万，树脂材料中含有的第一树脂成分的量定义为A（重量％），树脂材料中含有的第二树脂成分的量定义为B（重量％），A B满足关系：1.0＆nlE; A / B＆nlE; 9.0。 上述液体显影剂对环境无害。 此外，液体显影剂还具有优异的保存性和储存稳定性以及在低温下优异的定影特性。 还提供了可以适当地使用这种液体显影剂的图像形成装置。

公开(公告)号：US07723005B2

公开(公告)日：2010-05-25

申请号：US11394370

申请日：2006-03-29

申请人： Koji Akioka ,  Nobuhiro Miyakawa ,  Takashi Teshima ,  Satoru Miura

发明人： Koji Akioka ,  Nobuhiro Miyakawa ,  Takashi Teshima ,  Satoru Miura

IPC分类号： G03G9/00

CPC分类号： G03G9/125 ,  G03G9/132

摘要： A liquid developer contains an insulation liquid containing as its main component a glyceride of an unsaturated fatty acid, toner particles dispersed in the insulation liquid; and an oxidation polymerization accelerator for accelerating oxidation polymerization reaction of the glyceride during fixing process of the toner particles. The oxidation polymerization accelerator accelerates the oxidation polymerization reaction by supplying oxygen during the fixing process of the toner particles. The liquid developer may further contain an antioxidizing agent. Preferably, the oxidation polymerization accelerator is contained in the insulation liquid being encapsulated.

摘要翻译： 液体显影剂包含以不饱和脂肪酸的甘油酯为主要成分的绝缘液，分散在绝缘液中的调色剂颗粒; 以及用于在调色剂颗粒的定影过程中促进甘油酯的氧化聚合反应的氧化聚合促进剂。 氧化聚合促进剂在调色剂颗粒的定影过程中通过供氧来加速氧化聚合反应。 液体显影剂还可以含有抗氧化剂。 优选地，氧化聚合促进剂被包封在被封装的绝缘液体中。

公开(公告)号：US07566520B2

公开(公告)日：2009-07-28

申请号：US11461736

申请日：2006-08-01

申请人： Satoru Miura ,  Takashi Teshima

发明人： Satoru Miura ,  Takashi Teshima

IPC分类号： G03G9/12

CPC分类号： G03G9/132 ,  G03G9/125

摘要： A liquid developer of the type that is positively-charged is provided. The liquid developer includes an insulation liquid, and toner particles dispersed in the insulation liquid, wherein each of the toner particles includes a toner matrix particle mainly made of a polyester resin and a positively-charged polymeric dispersant adhering to the surface of the toner matrix particle. The polymeric dispersant is preferably of the type that an amino group is contained in its molecule, or of the type that an ester structure is contained in its molecule. Further, the polyester resin is preferably of the type that a —SO3− group is contained in its molecule. The liquid developer has excellent positively-chargeable charging characteristics and fixing characteristics.

摘要翻译： 提供了带正电的类型的液体显影剂。 液体显影剂包括绝缘液体和分散在绝缘液体中的调色剂颗粒，其中每个调色剂颗粒包括主要由聚酯树脂制成的调色剂基质颗粒和附着在调色剂基质颗粒表面上的带正电荷的聚合物分散剂 。 聚合物分散剂优选为其分子中含有氨基或其分子中含有酯结构的类型。 此外，聚酯树脂优选为分子中含有-SO 3 - 基团的类型。 液体显影剂具有优异的带正电充电特性和固定特性。

公开(公告)号：US20060234150A1

公开(公告)日：2006-10-19

申请号：US11394370

申请日：2006-03-29

申请人： Koji Akioka ,  Nobuhiro Miyakawa ,  Takashi Teshima ,  Satoru Miura

发明人： Koji Akioka ,  Nobuhiro Miyakawa ,  Takashi Teshima ,  Satoru Miura

IPC分类号： G03G9/00

CPC分类号： G03G9/125 ,  G03G9/132

摘要： A liquid developer contains an insulation liquid containing as its main component a glyceride of an unsaturated fatty acid, toner particles dispersed in the insulation liquid; and an oxidation polymerization accelerator for accelerating oxidation polymerization reaction of the glyceride during fixing process of the toner particles. The oxidation polymerization accelerator accelerates the oxidation polymerization reaction by supplying oxygen during the fixing process of the toner particles. The liquid developer may further contain an antioxidizing agent. Preferably, the oxidation polymerization accelerator is contained in the insulation liquid being encapsulated.

摘要翻译： 液体显影剂包含以不饱和脂肪酸的甘油酯为主要成分的绝缘液，分散在绝缘液中的调色剂颗粒; 以及用于在调色剂颗粒的定影过程中促进甘油酯的氧化聚合反应的氧化聚合促进剂。 氧化聚合促进剂在调色剂颗粒的定影过程中通过供氧来加速氧化聚合反应。 液体显影剂还可以含有抗氧化剂。 优选地，氧化聚合促进剂被包封在被封装的绝缘液体中。

公开(公告)号：US07608376B2

公开(公告)日：2009-10-27

申请号：US11677964

申请日：2007-02-22

申请人： Satoru Miura ,  Hiroshi Kaiho ,  Takashi Teshima ,  Koji Akioka ,  Ken Ikuma

发明人： Satoru Miura ,  Hiroshi Kaiho ,  Takashi Teshima ,  Koji Akioka ,  Ken Ikuma

IPC分类号： G03G9/12

CPC分类号： G03G9/125 ,  G03G9/12

摘要： A method of manufacturing a liquid developer includes associating fine particles mainly containing a resin material so as to obtain associated particles, and disintegrating the associated particles in an insulation liquid so as to obtain toner particles.

摘要翻译： 制造液体显影剂的方法包括使主要含有树脂材料的细小颗粒缔合以获得相关的颗粒，并将相关颗粒分解成绝缘液体以获得调色剂颗粒。

公开(公告)号：US20090023089A1

公开(公告)日：2009-01-22

申请号：US12167702

申请日：2008-07-03

申请人： Takashi Teshima ,  Satoru Miura

发明人： Takashi Teshima ,  Satoru Miura

IPC分类号： G03G9/08 ,  G03G15/10

CPC分类号： G03G15/11 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/125

摘要： A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material. The resin material is characterized in that a weight-average molecular weight Mw of the resin material is in the range of 20,000 to 200,000, and an amount of a component of which molecular weight M is 10,000 or less contained in the resin material is in the range of 5 to 40 wt %. The liquid developer described above is harmless to the environment. Further, the liquid developer also has superior preservability or storage stability and superior fixing characteristics at a low temperature. An image forming apparatus that can suitably use such a liquid developer is also provided.

摘要翻译： 液体显影剂包括含有脂肪酸单酯的绝缘液体和由树脂材料构成的调色剂颗粒。 树脂材料的特征在于，树脂材料的重均分子量Mw在20,000〜200,000的范围内，树脂材料中含有的分子量M为10,000以下的成分的量在 范围为5〜40重量％。 上述液体显影剂对环境无害。 此外，液体显影剂还具有优异的保存性或储存稳定性以及在低温下优异的定影特性。 还提供了可以适当地使用这种液体显影剂的图像形成装置。