公开(公告)号：US20210292539A1

公开(公告)日：2021-09-23

申请号：US17194380

申请日：2021-03-08

申请人： Tomoharu Miki ,  Satoshi Ogawa ,  Mitsuru Naruse

发明人： Tomoharu Miki ,  Satoshi Ogawa ,  Mitsuru Naruse

IPC分类号： C08L53/00 ,  C08K3/36 ,  C08K3/22 ,  C08L23/12 ,  B33Y10/00 ,  B33Y70/00 ,  B29C64/153

摘要： Provided is a resin powder including first particles containing a polyolefin-based resin, wherein surfaces of the first particles are coated with second particles at an average coating ratio of 0.15 or greater, where the average coating ratio is measured with a Material Development Kit (MDK) at a temperature lower than a melting point of the resin powder for producing a three-dimensional object by 15 degrees C.

公开(公告)号：US20210292541A1

公开(公告)日：2021-09-23

申请号：US17198563

申请日：2021-03-11

申请人： Satoshi OGAWA ,  Tomoharu Miki ,  Mitsuru Naruse

发明人： Satoshi OGAWA ,  Tomoharu Miki ,  Mitsuru Naruse

IPC分类号： C08L53/00 ,  B33Y10/00 ,  B33Y70/00 ,  B29C64/153

摘要： Provided is a resin powder containing a polyolefin-based resin, wherein the average circularity of the resin powder is 0.950 or greater, a logarithmically converted value Log R of the volume resistivity R of the resin powder is 11.5 or less, and the degree of compression of the resin powder is 1.45 or less. An embodiment where the volume average particle diameter of the resin powder is 10 micrometers or greater but 150 micrometers or less, an embodiment where the resin powder further contains an antistatic agent, an embodiment where the antistatic agent is water-insoluble, and an embodiment where the content of the antistatic agent is 0.5% by mass or greater but less than 20% by mass relative to the total amount of the resin powder are preferable.

公开(公告)号：US11603461B2

公开(公告)日：2023-03-14

申请号：US17195919

申请日：2021-03-09

申请人： Satoshi Ogawa ,  Tomoharu Miki

发明人： Satoshi Ogawa ,  Tomoharu Miki

IPC分类号： C08L53/00 ,  B29C64/153 ,  C08L23/12 ,  B29K23/00 ,  B29K105/00

摘要： Provided is a resin powder including a polyolefin-based resin, wherein a melting point of the resin powder is 150 degrees C. or higher, wherein a melt mass flow rate (MFR) of the resin powder measured according to JIS K 7210 is 0.35 (g/10 min) or greater but 8.50 (g/10 min) or less, and wherein a particle size distribution (volume average particle diameter Dv/number average particle diameter Dn) of the resin powder is 1.35 or less. In preferred embodiments, an average circularity of the resin powder is 0.975 or greater, and the polyolefin-based resin is a block copolymerized polypropylene resin.

公开(公告)号：US20210292540A1

公开(公告)日：2021-09-23

申请号：US17195919

申请日：2021-03-09

申请人： Satoshi OGAWA ,  Tomoharu Miki

发明人： Satoshi OGAWA ,  Tomoharu Miki

IPC分类号： C08L53/00 ,  C08L23/12 ,  B29C64/153

摘要： Provided is a resin powder including a polyolefin-based resin, wherein a melting point of the resin powder is 150 degrees C. or higher, wherein a melt mass flow rate (MFR) of the resin powder measured according to JIS K 7210 is 0.35 (g/10 min) or greater but 8.50 (g/10 min) or less, and wherein a particle size distribution (volume average particle diameter Dv/number average particle diameter Dn) of the resin powder is 1.35 or less. In preferred embodiments, an average circularity of the resin powder is 0.975 or greater, and the polyolefin-based resin is a block copolymerized polypropylene resin.

公开(公告)号：US09417541B2

公开(公告)日：2016-08-16

申请号：US14112407

申请日：2012-04-25

申请人： Yoshimichi Ishikawa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

发明人： Yoshimichi Ishikawa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

IPC分类号： G03G9/097 ,  G03G9/08 ,  G03G9/087 ,  G03G9/093

CPC分类号： G03G9/0825 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： A toner including: toner particles each including a toner base particle and an external additive attached thereon, where the toner base particle includes a binder resin and a colorant, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.10 μm or more but less than 0.50 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of the toner base particle is 10% to 90%, and the external additive includes fine inorganic particles whose surfaces have been treated with an amino group-containing silane coupling agent.

摘要翻译： 一种调色剂，包括：各自包含调色剂基础颗粒和附着在其上的外部添加剂的调色剂颗粒，其中调色剂基础颗粒包含粘合剂树脂和着色剂，其中调色剂基础颗粒在其表面上各具有突起，其平均长度 突起的长边为0.10μm以上且小于0.50μm，突起的长边的长度的标准偏差为0.2以下，调色剂母粒表面的突起的覆盖率为10 ％〜90％，外部添加剂包括表面已经用含氨基的硅烷偶联剂处理的无机微粒。

公开(公告)号：US20140356774A1

公开(公告)日：2014-12-04

申请号：US14345308

申请日：2012-09-12

申请人： Tomoharu Miki ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao

发明人： Tomoharu Miki ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao

IPC分类号： G03G9/00

CPC分类号： G03G9/0825 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/09321 ,  G03G9/09342 ,  G03G9/0935 ,  G03G9/09371 ,  G03G9/09392 ,  G03G9/09716 ,  G03G2215/0634

摘要： A toner including: a core particle containing at least a binder resin, a colorant and a releasing agent; and a shell on a surface of the core particle, wherein the toner gives a supernatant having a transmittance of 50% to 95% with respect to light having a wavelength of 800 nm, where the supernatant is formed after 3 g of the toner is added to 40 g of ion-exchange water containing 0.5% by mass of sodium dodecyl sulfate, followed by stirring for 90 min and by irradiating with ultrasonic waves of 20 kHz and 80 W for 5 min, and a liquid containing the toner dispersed therein is centrifugated at 3,000 rpm for 5 min.

摘要翻译： 一种调色剂，包括：至少含有粘合剂树脂，着色剂和脱模剂的核心颗粒; 和核心颗粒表面上的壳，其中调色剂产生相对于波长为800nm的光具有50％至95％的透光率的上清液，其中在加入3g调色剂之后形成上清液 至40g含有0.5质量％十二烷基硫酸钠的离子交换水，随后搅拌90分钟，并用20kHz和80W的超声波照射5分钟，将其中分散有调色剂的液体离心 在3,000rpm下5分钟。

公开(公告)号：US20130344427A1

公开(公告)日：2013-12-26

申请号：US14003931

申请日：2012-03-09

申请人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi ,  Hidekazu Shono ,  Manabu Hamada ,  Tetsushi Sakuma

发明人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi ,  Hidekazu Shono ,  Manabu Hamada ,  Tetsushi Sakuma

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0827 ,  G03G9/09716 ,  G03G9/09725 ,  G03G21/0029

摘要： To provide a toner, which contains a binder resin, a colorant, and a silicone oil-treated external additive, wherein the silicone oil-treated external additive contains free silicone oil, and a total amount of the free silicone oil is 0.2% by mass to 0.5% by mass relative to the toner, and wherein the toner has the average circularity of 0.96 to 1.

摘要翻译： 为了提供含有粘合剂树脂，着色剂和硅油处理的外部添加剂的调色剂，其中硅油处理的外部添加剂含有游离的硅油，游离硅油的总量为0.2质量％ 〜0.5质量％，其中调色剂的平均圆形度为0.96〜1。

公开(公告)号：US08614040B2

公开(公告)日：2013-12-24

申请号：US13417741

申请日：2012-03-12

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G15/08

CPC分类号： G03G21/18 ,  G03G9/0935 ,  G03G9/09371 ,  G03G9/09392

摘要： An electrostatic image developing toner including: toner particles; wherein the toner particles each contain: a core particle including a first resin and a colorant; and fine resin particles each formed of a second resin and existing in a surface of the core particle, wherein part of each fine resin particle is embedded in the core particle to form an embedded region, and the remaining part of the fine resin particle is exposed on the surface of the core particle to form an exposed region, and wherein each toner particle satisfies an expression of R1>R1′ where, in a cross-section of the toner particle, R1′ denotes an average diameter of openings of the first resin in which the second resin is embedded and R1 denotes an average diameter of the exposed regions.

摘要翻译： 一种静电图像显影调色剂，包括：调色剂颗粒; 其中所述调色剂颗粒各自包含：包含第一树脂和着色剂的芯颗粒; 以及由芯粒子的表面存在的第二树脂形成的细小树脂粒子，其中，每个细树脂粒子的一部分嵌入在核心粒子中，形成嵌入区域，其余部分的树脂微粒暴露 在芯颗粒的表面上形成暴露区域，并且其中每个调色剂颗粒满足R1> R1'的表达式，其中在调色剂颗粒的横截面中，R1'表示第一树脂的开口的平均直径 其中嵌入第二树脂，R1表示暴露区域的平均直径。

公开(公告)号：US20110164901A1

公开(公告)日：2011-07-07

申请号：US12960953

申请日：2010-12-06

申请人： Atsushi YAMAMOTO ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi

发明人： Atsushi YAMAMOTO ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi

IPC分类号： G03G15/08 ,  G03G9/087 ,  G03G9/08

CPC分类号： G03G9/09321 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09371 ,  G03G9/09392

摘要： A toner containing core particles each containing at least a resin A having a polyester skeleton and a colorant; and vinyl resin fine particles each of which encapsulates a resin B having at least a polyester skeleton and an endothermic peak measured by differential scanning calorimeter (DSC) at 40° C. to 110° C., wherein the vinyl resin fine particles are attached onto each of the core particles.

摘要翻译： 含有至少具有聚酯骨架的树脂A和着色剂的芯颗粒的调色剂; 和乙烯基树脂微粒，其各自包含至少具有聚酯骨架的树脂B和通过差示扫描量热计（DSC）在40℃至110℃测量的吸热峰，其中乙烯基树脂细颗粒附着到 每个核心颗粒。

公开(公告)号：US09268244B2

公开(公告)日：2016-02-23

申请号：US14113487

申请日：2012-04-25

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/093 ,  G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/0827 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.1 μm or more but less than 0.5 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of each toner base particle is 10% to 90%, and the external additive includes an external additive (A) which is fine inorganic particles each containing silicone oil.

摘要翻译： 一种静电图像显影调色剂，包括：各自包含粘合剂树脂和着色剂的调色剂基础颗粒; 和外部添加剂，其中调色剂基础颗粒在其表面上各具有突起，突起的长边的平均长度为0.1μm以上且小于0.5μm，长边的长度的标准偏差 突起为0.2以下，各调色剂母粒表面的突起的覆盖率为10％〜90％，外部添加剂为含有硅油的无机微粒的外部添加剂（A）。