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公开(公告)号：US09971261B2
公开(公告)日：2018-05-15
申请号：US15423187
申请日：2017-02-02
申请人： Satoshi Takahashi , Yoshihiro Moriya , Ryota Inoue , Masahiko Ishikawa , Tatsuki Yamaguchi , Satoshi Kojima
发明人： Satoshi Takahashi , Yoshihiro Moriya , Ryota Inoue , Masahiko Ishikawa , Tatsuki Yamaguchi , Satoshi Kojima
CPC分类号： G03G9/0827 , G03G9/0804 , G03G9/0819 , G03G9/0821 , G03G9/08711 , G03G9/08755 , G03G9/0904 , G03G9/0918
摘要： An electrostatic-image developing toner including at least a binder resin; a colorant; and a release agent, wherein an average circularity of particles having a particle diameter in a range of 0.79 times or more but less than 1.15 times as large as a most frequent diameter in a number particle size distribution of the toner is within a range of 1.010 times or more but less than 1.020 times as high as an average circularity of particles having a particle diameter of 1.15 times or more as large as the most frequent diameter.
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公开(公告)号：US09785065B2
公开(公告)日：2017-10-10
申请号：US15305057
申请日：2015-03-24
申请人： Ryota Inoue , Yoshihiro Moriya , Masahiko Ishikawa , Satoshi Takahashi , Tatsuki Yamaguchi , Satoshi Kojima
发明人： Ryota Inoue , Yoshihiro Moriya , Masahiko Ishikawa , Satoshi Takahashi , Tatsuki Yamaguchi , Satoshi Kojima
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/081 , G03G9/0825 , G03G9/0827 , G03G9/08711 , G03G9/08755 , G03G9/08782 , G03G9/0904 , G03G9/09378 , G03G9/1075 , G03G9/1136
摘要： A toner including: binder resin; and release agent, wherein the release agent is 1% to 8% by mass to the toner, as equivalent mass of endothermic amount of the release agent determined by DSC, wherein the release agent present in region from surface of the toner to 0.3 μm depth is 0.1% to 4% by mass, as determined by FTIR-ATR, and wherein, in TEM image of torn surface of the toner, WDa
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公开(公告)号：US09618862B2
公开(公告)日：2017-04-11
申请号：US14615911
申请日：2015-02-06
CPC分类号： G03G9/0819 , G03G9/08711 , G03G9/08731 , G03G9/08759 , G03G9/08782
摘要： A toner is provided. The toner includes a binder resin and a release agent. The release agent has an average aspect ratio of 31 or more, when the average aspect ratio is determined from cross-sectional images of the toner observed with a transmission electron microscope (TEM).
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4.发明授权公开(公告)号：US09482973B2
公开(公告)日：2016-11-01
申请号：US14631308
申请日：2015-02-25
CPC分类号： G03G9/08733 , G03G9/08 , G03G9/0804 , G03G9/0819 , G03G9/0825 , G03G9/08755 , G03G9/08782 , G03G9/08797 , G03G9/0904
摘要： A toner is provided. The toner includes a binder resin and a release agent. The toner satisfies the following inequation: 0.45≦(S1/S2)≦1.00 wherein S1 and S2 represent areas of quadrangles circumscribing the release agent and the toner, respectively, in a cross-sectional image of the toner obtained by a transmission electron microscope (TEM).
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公开(公告)号：US20170146917A1
公开(公告)日：2017-05-25
申请号：US15423187
申请日：2017-02-02
申请人： Satoshi TAKAHASHI , Yoshihiro Moriya , Ryota Inoue , Masahiko Ishikawa , Tatsuki Yamaguchi , Satoshi Kojima
发明人： Satoshi TAKAHASHI , Yoshihiro Moriya , Ryota Inoue , Masahiko Ishikawa , Tatsuki Yamaguchi , Satoshi Kojima
CPC分类号： G03G9/0827 , G03G9/0804 , G03G9/0819 , G03G9/0821 , G03G9/08711 , G03G9/08755 , G03G9/0904 , G03G9/0918
摘要： An electrostatic-image developing toner including at least a binder resin; a colorant; and a release agent, wherein an average circularity of particles having a particle diameter in a range of 0.79 times or more but less than 1.15 times as large as a most frequent diameter in a number particle size distribution of the toner is within a range of 1.010 times or more but less than 1.020 times as high as an average circularity of particles having a particle diameter of 1.15 times or more as large as the most frequent diameter.
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6.发明申请TONER, METHOD OF MANUFACTURING TONER, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS 审中-公开调色剂，制造调色剂的方法，图像形成方法和图像形成装置公开(公告)号：US20150362852A1
公开(公告)日：2015-12-17
申请号：US14669230
申请日：2015-03-26
CPC分类号： G03G9/08755 , G03G9/0802 , G03G9/0804 , G03G9/0819 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G15/04 , G03G15/08 , G03G15/16 , G03G15/20
摘要： A toner including a binder resin and a release agent is provided. The binder resin includes an amorphous resin and a crystalline resin. In a cross-sectional image of the toner obtained by a transmission electron microscope, a longest length Lmax of the release agent is equal to or greater than 1.1 times a maximum Feret diameter Df of the toner, and the crystalline resin is dispersed in the amorphous resin forming domains having a maximum Feret diameter Cf of 0.20 μm or less.
摘要翻译： 提供了包含粘合剂树脂和脱模剂的调色剂。 粘合剂树脂包括无定形树脂和结晶树脂。 在通过透射电子显微镜获得的调色剂的横截面图像中，脱模剂的最长长度Lmax等于或大于调色剂的最大Feret直径Df的1.1倍，并且结晶树脂分散在无定形 具有最大Feret直径Cf为0.20μm以下的树脂形成区域。
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公开(公告)号：US20160077455A1
公开(公告)日：2016-03-17
申请号：US14837665
申请日：2015-08-27
CPC分类号： G03G9/1132 , G03G9/0806 , G03G9/0819 , G03G9/0821 , G03G9/08711 , G03G9/08755 , G03G9/08786
摘要： A toner is provided. The toner includes a binder resin and a release agent. The binder resin includes a polyester resin. The toner has a single exothermic peak measured by a differential scanning calorimetry (DSC) descending in a temperature range of from 150° C. to 0° C., wherein the exothermic peak is in a temperature range of from 40° C. to 60° C. and has a half bandwidth of at most 10° C. The release agent disperse to network form in the cross-sectional images of the toner observed with a transmission electron microscope (TEM).
摘要翻译： 提供调色剂。 调色剂包括粘合剂树脂和脱模剂。 粘合剂树脂包括聚酯树脂。 调色剂具有通过在150℃至0℃的温度范围内下降的差示扫描量热法（DSC）测量的单个放热峰，其中放热峰在40℃至60℃的温度范围内 ℃，并且具有至多10℃的半带宽。脱模剂在透射电子显微镜（TEM）观察到的调色剂的横截面图像中分散成网状。
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公开(公告)号：US09618863B2
公开(公告)日：2017-04-11
申请号：US14928797
申请日：2015-10-30
CPC分类号： G03G9/0827 , G03G9/0804 , G03G9/0819 , G03G9/0821 , G03G9/08795
摘要： A toner is provided. The toner includes a binder resin, a colorant, a release agent and an external additive. The toner has an average circularity of from 0.965 to less than 0.985. The toner has BET specific surface area of less than 1.20 m2/g after liberation treatment of external additive.
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公开(公告)号：US10151991B2
公开(公告)日：2018-12-11
申请号：US15675945
申请日：2017-08-14
申请人： Satoshi Kojima , Yoshihiro Moriya , Masahiko Ishikawa , Satoshi Takahashi , Tatsuru Moritani , Tatsuki Yamaguchi
发明人： Satoshi Kojima , Yoshihiro Moriya , Masahiko Ishikawa , Satoshi Takahashi , Tatsuru Moritani , Tatsuki Yamaguchi
摘要： Provided is a toner including at least: a binder resin; and a release agent, wherein in a transmission electron microscopic (TEM) image of a torn cross-section of the toner, the release agent has an acicular or filiform shape and an average aspect ratio of 31 or greater, and wherein a displacement amount of the toner when 250 micronewtons is applied to the toner in a microcompression test is 700 nm or less.
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10.发明授权公开(公告)号：US10190007B2
公开(公告)日：2019-01-29
申请号：US15149440
申请日：2016-05-09
申请人： Hiroshi Gotou , Masahiko Ishikawa
发明人： Hiroshi Gotou , Masahiko Ishikawa
IPC分类号： C09D11/322 , C09D11/38
摘要： Provided is an ink containing a colorant, an organic solvent, and water, wherein the ink contains as the organic solvent, at least one kind of an organic solvent having a solubility parameter of greater than or equal to 9 but less than 11.8, wherein a content of the organic solvent having a solubility parameter of greater than or equal to 9 but less than 11.8 is greater than or equal to 20% by mass of a total amount of the ink, wherein a dynamic surface tension A of the ink at 25° C. at a surface lifetime, measured by a maximum foaming pressure method, of 15 msec is less than or equal to 34.0 mN/m, and wherein the dynamic surface tension A and a static surface tension B of the ink at 25° C. satisfy a formula of 10.0%≤[(A−B)/(A+B)]×100≤19.0%.
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