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1. 发明授权

US09256149B2 Toner for electrostatic image development 有权
标题翻译：调色剂用于静电图像显影
公开(公告)号：US09256149B2
公开(公告)日：2016-02-09
申请号：US14299621
申请日：2014-06-09
申请人： Konica Minolta, Inc.
发明人： Kaori Matsushima , Masahiro Matsuoka , Aya Shirai , Takaki Kawamura , Taiki Amemiya
IPC分类号： G03G9/097 , G03G9/087 , G03G9/08 , G03G9/093
CPC分类号： G03G9/08755 , G03G9/0825 , G03G9/08711 , G03G9/08795 , G03G9/08797 , G03G9/09328 , G03G9/09364 , G03G9/09392
摘要： Provided is a toner for electrostatic image development having low-temperature fixability and providing stability of glossiness for various types of paper. The toner for electrostatic image development includes toner particles having a domain-matrix structure. In the domain-matrix structure, a domain phase including a crystalline polyester resin having a melting point of 40 to 90° C. and a domain phase including a vinyl resin B having a weight average molecular weight of 250,000 to 400,000 are dispersed in a matrix phase including a vinyl resin A having a weight average molecular weight of 10,000 to 50,000.
摘要翻译：本发明提供一种静电图像显影用调色剂，具有低温定影性，并为各种纸提供光泽度的稳定性。用于静电图像显影的调色剂包括具有域 - 矩阵结构的调色剂颗粒。在畴 - 基质结构中，将包含熔点为40〜90℃的结晶性聚酯树脂和包含重均分子量为250〜40万的乙烯基树脂B的畴相的畴相分散在基质相包括重均分子量为10,000〜50,000的乙烯基树脂A.

2. 发明授权

US11312865B2 Image forming method 有权
公开(公告)号：US11312865B2
公开(公告)日：2022-04-26
申请号：US17011694
申请日：2020-09-03
申请人： Konica Minolta, Inc.
发明人： Takaki Kawamura , Noboru Ueda , Natsuki Ito , Yusuke Takigaura , Ami Motohashi
IPC分类号： C09D4/00 , G03G8/00 , G03G9/087 , G03G15/20
摘要： An object of the present invention is to provide an image forming method capable of coating a photocurable varnish without unevenness on a toner image formed using an electrostatic latent image developing toner, and further having good adhesion between a varnish layer and the toner image. The image forming method of the present invention comprises: forming a toner image on a recording medium using an electrostatic latent image developing toner containing a toner particle comprising a binder resin and a release agent; and forming a varnish layer on the toner image by applying and curing a photocurable varnish comprising a photocurable compound. The binder resin comprised in the electrostatic latent image developing toner contains a crystalline polyester resin. The photocurable compound comprised in the photocurable varnish comprises a diol di(meth)acrylate having a straight hydrocarbon chain.

3. 发明授权

US10067435B2 Electrostatic charge image developing toner 有权
公开(公告)号：US10067435B2
公开(公告)日：2018-09-04
申请号：US15787072
申请日：2017-10-18
申请人： Konica Minolta, Inc.
发明人： Takaki Kawamura , Shiro Hirano , Yusuke Takigaura
IPC分类号： G03G9/087 , G03G9/08
摘要： An electrostatic charge image developing toner includes a particulate toner matrix containing a binder resin and an external additive. The binder resin includes an amorphous polyester resin, a crystalline resin, and an amorphous vinyl resin. A storage modulus G′0(t) measured before the toner is left and storage moduli G′Tm-10(t) and G′Tm-20(t) measured after the toner is left for three hours at temperatures (Tm-10)° C. and (Tm-20)° C., respectively, based on a melting point (Tm° C.) derived from the crystalline resin satisfy the relations represented by G′0(t)

4. 发明授权

US09740122B1 Toner 有权
公开(公告)号：US09740122B1
公开(公告)日：2017-08-22
申请号：US15272719
申请日：2016-09-22
申请人： Konica Minolta, Inc.
发明人： Takaki Kawamura , Aya Shirai , Kaori Fujino
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0821 , G03G9/08711 , G03G9/08755 , G03G9/08795 , G03G9/08797
摘要： The present toner is an electrostatic latent image developing toner, and contains a toner base particle. The toner base particle contains a binder resin and a release agent. The binder resin contains a crystalline resin and a vinyl resin. When the storage elastic modulus G′ at 50° C. is defined as G′50° C., the peak top temperature (° C.) of a specific endothermic peak in DSC of the toner is defined as Tm, the measurement temperature (° C.) at a G′ of 1×106 Pa is defined as TmA, and the measurement temperature (° C.) at a G′ of 1×105 Pa is defined as TmB, the toner satisfies the following expressions (1) to (3): G′50° C.≧1×108 (1) TmB−TmA≦8 (2) Tm

5. 发明授权

US09915883B2 Toner 有权
公开(公告)号：US09915883B2
公开(公告)日：2018-03-13
申请号：US15272670
申请日：2016-09-22
申请人： Konica Minolta, Inc.
发明人： Takaki Kawamura , Kenshi Miyajima , Junya Ueda
IPC分类号： G03G9/087 , G03G9/08 , G03G9/093
CPC分类号： G03G9/0821 , G03G9/0825 , G03G9/08711 , G03G9/08755 , G03G9/08797 , G03G9/093 , G03G9/09364 , G03G9/09371
摘要： The toner of the present invention is an electrostatic latent image developing toner, and has a toner base particle. The toner base particle contains a binder resin including a crystalline resin, and a release agent. The toner has the maximum value G′MAX at a temperature equal to or lower than Tm, among specific storage elastic modulus ratios, of 2.2 or more. The Tm represents a peak top temperature (° C.) of a specific endothermic peak in DSC of the toner.

6. 发明授权

US09372423B2 Image formation method, toner set, and white toner 有权
标题翻译：图像形成方法，调色剂和白色调色剂
公开(公告)号：US09372423B2
公开(公告)日：2016-06-21
申请号：US14807266
申请日：2015-07-23
申请人： Konica Minolta, Inc.
发明人： Anju Hori , Junya Onishi , Yasuko Uchino , Ikuko Sakurada , Natsuko Fujisaki , Junya Ueda , Takaki Kawamura
IPC分类号： G03G9/08 , G03G13/01 , G03G15/01
CPC分类号： G03G9/0827 , G03G9/0819 , G03G13/01 , G03G13/013 , G03G13/016 , G03G15/01 , G03G15/0168 , G03G15/0173
摘要： The invention provides an image formation method, a toner set, and a white toner, by which a masking function of an image layer formed by a white toner on a recording medium can be developed efficiently, and low temperature fixability can be improved. An image formation method for fixing an image forming layer (A) to be formed using a white toner, and an image forming layer (B) to be formed adjacent to the image forming layer (A) using a toner different from the white toner on a recording medium; wherein the following relational expressions (1) and (2) are satisfied: 1.000
摘要翻译：本发明提供了一种图像形成方法，调色剂组合和白色调色剂，可以有效地开发由记录介质上的白色调色剂形成的图像层的掩蔽功能，并且可以提高低温定影性。用于使用白色调色剂形成的图像形成层（A）和与图像形成层（A）相邻形成的图像形成层（B）的图像形成方法使用不同于白色调色剂的调色剂记录介质; 其中满足以下关系式（1）和（2）：1.000

7. 发明授权

US11860570B2 Toner set and image forming method 有权
公开(公告)号：US11860570B2
公开(公告)日：2024-01-02
申请号：US17340471
申请日：2021-06-07
申请人： Konica Minolta, Inc.
发明人： Hiroshi Nagasawa , Yusuke Takigaura , Takaki Kawamura , Ami Motohashi , Natsuki Ito , Shiro Hirano
IPC分类号： G03G9/09 , G03G9/087 , G03G15/01 , G03G9/097
CPC分类号： G03G9/0924 , G03G9/08711 , G03G9/08755 , G03G9/09733 , G03G15/0126
摘要： A toner set includes a plurality of toners, wherein the toner set includes a first toner containing a yellow colorant and a second toner containing a cyan colorant, the first toner and the second toner each contain a binder resin containing a vinyl-based resin and a crystalline resin, and a release agent containing a hydrocarbon wax, a content of the vinyl-based resin with respect to a total mass of the binder resin is 50% by mass or more, the first toner contains the crystalline resin having a moiety having a crystal structure and a crystal nucleating agent moiety having a crystal nucleating agent, and the second toner contains the cyan colorant that is a compound represented by general formula (1).

8. 发明授权

US09217942B2 Toner for electrostatic image development 有权
标题翻译：调色剂用于静电图像显影
公开(公告)号：US09217942B2
公开(公告)日：2015-12-22
申请号：US14283835
申请日：2014-05-21
申请人： Konica Minolta, Inc.
发明人： Aya Shirai , Hiroshi Nagasawa , Kaori Matsushima , Masahiro Matsuoka , Takaki Kawamura , Taiki Amemiya
IPC分类号： G03G9/087 , G03G9/08 , G03G9/093
CPC分类号： G03G9/0825 , G03G9/08702 , G03G9/08711 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09321 , G03G9/09328 , G03G9/09392
摘要： Disclosed is a toner for electrostatic image development that has excellent low-temperature fixability and also has sufficient heat-resistant storage stability. The toner for electrostatic image development includes toner particles containing an amorphous resin including amorphous resins A and B and a crystalline polyester resin. The toner particles have a domain-matrix structure in which a domain phase including fine core particles of the crystalline polyester resin is dispersed in a matrix phase formed of the amorphous resin A composed of a vinyl-based polymer. The surface of the fine core particles of the crystalline polyester resin is coated with the amorphous resin B composed of a vinyl-based polymer.
摘要翻译：公开了一种静电图像显影用调色剂，其具有优异的低温定影性，并且还具有足够的耐热储存稳定性。用于静电图像显影的调色剂包括含无定形树脂A和B的无定形树脂的调色剂颗粒和结晶聚酯树脂。调色剂颗粒具有域 - 基质结构，其中包含结晶聚酯树脂的细芯颗粒的畴相分散在由由乙烯基类聚合物构成的无定形树脂A形成的基体相中。结晶性聚酯树脂的细芯颗粒的表面涂覆有由乙烯基类聚合物构成的无定形树脂B.

9. 发明申请

US20150017584A1 TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT 有权
标题翻译：静电图像发展的调色剂
公开(公告)号：US20150017584A1
公开(公告)日：2015-01-15
申请号：US14311933
申请日：2014-06-23
申请人： Konica Minolta, Inc.
发明人： Taiki AMEMIYA , Kaori Matsushima , Junya Onishi , Aya Shirai , Takaki Kawamura
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0825 , G03G9/08711 , G03G9/08795 , G03G9/08797
摘要： Provided is a toner for electrostatic image development that has good low-temperature fixability, also has long-term heat-resistant storage stability and can form an image with unevenness in gloss suppressed. The toner for electrostatic image development includes toner particles. The toner particles have a domain-matrix structure in which a first domain phase including a crystalline polyester resin A and a second domain phase including a crystalline polyester resin B are dispersed in a matrix phase including a vinyl resin. The average diameter of the first domain phase is 400 to 900 nm, and the average diameter of the second domain phase is 10 to 200 nm. The melting point of the crystalline polyester resin A and the melting point of the crystalline polyester resin B are each 95° C. or lower.
摘要翻译：本发明提供了具有良好的低温定影性的静电图像显影用调色剂，还具有长期的耐热保存稳定性，能够形成抑制不均匀的图像。用于静电图像显影的调色剂包括调色剂颗粒。调色剂颗粒具有域 - 基质结构，其中包括结晶聚酯树脂A的第一畴相和包含结晶聚酯树脂B的第二畴相分散在包括乙烯基树脂的基体相中。第一畴相的平均直径为400〜900nm，第二畴相的平均直径为10〜200nm。结晶性聚酯树脂A的熔点和结晶性聚酯树脂B的熔点分别为95℃以下。

10. 发明申请

US20140377699A1 TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT 有权
标题翻译：静电图像发展的调色剂
公开(公告)号：US20140377699A1
公开(公告)日：2014-12-25
申请号：US14299621
申请日：2014-06-09
申请人： Konica Minolta, Inc.
发明人： Kaori MATSUSHIMA , Masahiro Matsuoka , Aya Shirai , Takaki Kawamura , Taiki Amemiya
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0825 , G03G9/08711 , G03G9/08795 , G03G9/08797 , G03G9/09328 , G03G9/09364 , G03G9/09392
摘要： Provided is a toner for electrostatic image development having low-temperature fixability and providing stability of glossiness for various types of paper. The toner for electrostatic image development includes toner particles having a domain-matrix structure. In the domain-matrix structure, a domain phase including a crystalline polyester resin having a melting point of 40 to 90° C. and a domain phase including a vinyl resin B having a weight average molecular weight of 250,000 to 400,000 are dispersed in a matrix phase including a vinyl resin A having a weight average molecular weight of 10,000 to 50,000.
摘要翻译：本发明提供一种静电图像显影用调色剂，具有低温定影性，并为各种纸提供光泽度的稳定性。用于静电图像显影的调色剂包括具有域 - 矩阵结构的调色剂颗粒。在畴 - 基质结构中，将包含熔点为40〜90℃的结晶性聚酯树脂和包含重均分子量为250〜40万的乙烯基树脂B的畴相的畴相分散在基质相包括重均分子量为10,000〜50,000的乙烯基树脂A.

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