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1. 发明申请

WO2010029903A1 TONER AND DEVELOPER 审中-公开
标题翻译：调色板和开发者
公开(公告)号：WO2010029903A1
公开(公告)日：2010-03-18
申请号：PCT/JP2009/065619
申请日：2009-09-02
申请人： Ricoh Company, Ltd. , NAKAYAMA, Shinya , NAKAJIMA, Hisashi , YAMADA, Saori , AOKI, Mitsuo , SHU, Hyo , KISHIDA, Hiroyuki
发明人： NAKAYAMA, Shinya , NAKAJIMA, Hisashi , YAMADA, Saori , AOKI, Mitsuo , SHU, Hyo , KISHIDA, Hiroyuki
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/081 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要： A toner containing at least a binder resin, releasing agent, and colorant, wherein the binder resin contains polyester resin (A), polyester resin (B), and polyester resin (C), which is prepared by condensation-polymerizing (i) an alcohol component containing an alkylene oxide adduct of bisphenol compound and (ii) a carboxylic acid component; at least one of the polyester resin (A) and polyester resin (B) is a polyester resin prepared by condensation-polymerizing (i) the alcohol component substantially composed of only aliphatic alcohol and containing 1,2-propanediol in an amount of 65 mole% or more of a divalent alcohol component and (ii) the carboxylic acid component; and a softening point Tm(A) of the polyester resin (A) is 10 C or more higher than Tm(B) of the polyester resin (B), and the absolute difference between Tm(C) of the polyester resin (C) and the Tm(B) is 5°C or less.
摘要翻译：含有至少粘合剂树脂，脱模剂和着色剂的调色剂，其中粘合剂树脂含有聚酯树脂（A），聚酯树脂（B）和聚酯树脂（C），其通过将（i）含有双酚化合物的烯化氧加成物的醇成分和（ii）羧酸成分; 聚酯树脂（A）和聚酯树脂（B）中的至少一种是通过将（i）基本上仅由脂肪醇组成并含有65摩尔量的1,2-丙二醇的醇组分进行缩聚而制备的聚酯树脂％以上的二价醇成分和（ii）羧酸成分; 聚酯树脂（A）的软化点Tm（A）比聚酯树脂（B）的Tm（B）高10℃以上，聚酯树脂（C）的Tm（℃） Tm（B）为5℃以下。

2. 发明申请

WO2020152938A1 TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2020152938A1
公开(公告)日：2020-07-30
申请号：PCT/JP2019/043438
申请日：2019-11-06
申请人： RICOH COMPANY, LTD. , SHU, Hyo , NAKAJIMA, Hisashi , YAMAUCHI, Yoshitaka , KUROSE, Katsunori
发明人： SHU, Hyo , NAKAJIMA, Hisashi , YAMAUCHI, Yoshitaka , KUROSE, Katsunori
IPC分类号： G03G9/097
摘要： A toner including inorganic particles, wherein the inorganic particles include a fluorine-containing alumina, and the toner satisfies both Formula (1) below and Formula (2) below: 2.7≦X1/X2≦5.5・・・Formula (1); and 2.1≦X1≦3.0・・・Formula (2) where X1 denotes a concentration of aluminum in the toner and X2 denotes a concentration of fluorine in the toner, and the concentration of aluminum and the concentration of fluorine are determined through an X-ray photoelectron spectroscopic analysis method.

3. 发明公开

EP2546698A1 TONER FOR ELECTROSTATIC CHARGE DEVELOPMENT 审中-公开
标题翻译： TONERFÜRELEKTROSTATISCHE LADUNGSENTWICKLUNG
公开(公告)号：EP2546698A1
公开(公告)日：2013-01-16
申请号：EP11857117.3
申请日：2011-10-12
申请人： Ricoh Company Ltd.
发明人： KUSAHARA, Teruki , AWAMURA, Junichi , SUGIMOTO, Tsuyoshi , SHU, Hyo , SUZUKI, Tomomi , UCHINOKURA, Osamu , HONDA, Takahiro , KOJIMA, Satoshi , OGAWA, Satoshi , INOUE, Daisuke , SATO, Koshi , ITO, Daisuke , YOSHIDA, Ryuuta , SATOH, Syouko
IPC分类号： G03G9/087 , G03G9/08 , G03G9/10 , G03G15/08
CPC分类号： G03G15/08 , G03G9/08755 , G03G9/08795 , G03G9/08797
摘要： To provide a toner, which contains a binder resin, a colorant, and a releasing agent, wherein the binder resin contains a low molecular weight resin component, where the low molecular weight resin component has a resin softening coefficient (A), represented by the following formula (1), satisfying A > 0.165, and has storage elastic modulus (dyne/cm 2 ) G'(Tfb) satisfying G'(Tfb) ≤ 1 × 10 4 where Tfb is a flow onset temperature (°C) of the low molecular weight resin component as measured by a capillary rheometer: A = lnGʹ r ⁢ 1 - lnGʹ r ⁢ 2 / T ⁢ 1 - t ⁢ 2 (where T1 is temperature (°C) at which storage elastic modulus G'(r1) is 1×10 5 (dyne/cm 2 ) and T2 is temperature (°C) at which storage elastic modulus G'(r2) is 1×10 3 (dyne/cm 2 ) as measured by means of a viscoelasticity measuring device with measuring frequency of 1 Hz, and measuring distortion of 1 deg; any | | represents an absolute value.)
摘要翻译：为了提供含有粘合剂树脂，着色剂和脱模剂的调色剂，其中粘合剂树脂含有低分子量树脂组分，其中低分子量树脂组分具有树脂软化系数（A），由（1）满足A> 0.165，并且具有满足G'（Tfb）‰×1×10 4的储能弹性模量（达因/ cm 2）G'（Tfb），其中Tfb是流动起始温度（℃）通过毛细管流变仪测量的低分子量树脂组分：A = lnG 1 r ¢1 - lnG 1 r ¢2 / T ¢1 - t ¢2（其中T1是存储弹性的温度（℃）模量G'（r1）为1×10 5（达因/ cm 2），T2为储存弹性模量G'（r2）为1×10 3（达因/厘米2）的温度（℃）的测量频率为1Hz，测量失真度为1度的粘弹性测量装置，任何| |表示绝对值。）

4. 发明公开

EP3770685A1 TONER, TONER ACCOMMODATING CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 审中-实审
公开(公告)号：EP3770685A1
公开(公告)日：2021-01-27
申请号：EP20186660.5
申请日：2020-07-20
申请人： Ricoh Company, Ltd.
发明人： HANATANI, Shinya , ISHII, Masayuki , SHU, Hyo
IPC分类号： G03G9/097
摘要： A toner comprising base particles and external additive particles covering the base particles is provided. The base particles comprise a binder resin and a colorant. The external additive particles comprise at least one member selected from the group consisting of fluorine-containing aluminum hydroxide, fluorine-containing boehmite, and fluorine-containing pseudoboehmite.

5. 发明公开

EP3914969A1 TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：EP3914969A1
公开(公告)日：2021-12-01
申请号：EP19808918.7
申请日：2019-11-06
申请人： Ricoh Company, Ltd.
发明人： SHU, Hyo , NAKAJIMA, Hisashi , YAMAUCHI, Yoshitaka , KUROSE, Katsunori
IPC分类号： G03G9/097

6. 发明授权

EP2324395B1 TONER AND DEVELOPER 有权
标题翻译：调色剂和开发商
公开(公告)号：EP2324395B1
公开(公告)日：2018-01-03
申请号：EP09813049.5
申请日：2009-09-02
申请人： Ricoh Company, Ltd.
发明人： NAKAYAMA, Shinya , NAKAJIMA, Hisashi , YAMADA, Saori , AOKI, Mitsuo , SHU, Hyo , KISHIDA, Hiroyuki
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/081 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要： A toner containing at least a binder resin, releasing agent, and colorant, wherein the binder resin contains polyester resin (A), polyester resin (B), and polyester resin (C), which is prepared by condensation-polymerizing (i) an alcohol component containing an alkylene oxide adduct of bisphenol compound and (ii) a carboxylic acid component; at least one of the polyester resin (A) and polyester resin (B) is a polyester resin prepared by condensation-polymerizing (i) the alcohol component substantially composed of only aliphatic alcohol and containing 1,2-propanediol in an amount of 65 mole % or more of a divalent alcohol component and (ii) the carboxylic acid component; and a softening point Tm(A) of the polyester resin (A) is 10 C or more higher than Tm(B) of the polyester resin (B), and the absolute difference between Tm(C) of the polyester resin (C) and the Tm(B) is 5° C. or less.

7. 发明公开

EP2324395A1 TONER AND DEVELOPER 有权
标题翻译：调色剂和显影剂
公开(公告)号：EP2324395A1
公开(公告)日：2011-05-25
申请号：EP09813049.5
申请日：2009-09-02
申请人： Ricoh Company, Ltd.
发明人： NAKAYAMA, Shinya , NAKAJIMA, Hisashi , YAMADA, Saori , AOKI, Mitsuo , SHU, Hyo , KISHIDA, Hiroyuki
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/081 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要： A toner containing at least a binder resin, releasing agent, and colorant, wherein the binder resin contains polyester resin (A), polyester resin (B), and polyester resin (C), which is prepared by condensation-polymerizing (i) an alcohol component containing an alkylene oxide adduct of bisphenol compound and (ii) a carboxylic acid component; at least one of the polyester resin (A) and polyester resin (B) is a polyester resin prepared by condensation-polymerizing (i) the alcohol component substantially composed of only aliphatic alcohol and containing 1,2-propanediol in an amount of 65 mole% or more of a divalent alcohol component and (ii) the carboxylic acid component; and a softening point Tm(A) of the polyester resin (A) is 10 C or more higher than Tm(B) of the polyester resin (B), and the absolute difference between Tm(C) of the polyester resin (C) and the Tm(B) is 5°C or less.

8. 发明公开

EP3739391A1 TONER, TONER STORED CONTAINER, DEVELOPER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
公开(公告)号：EP3739391A1
公开(公告)日：2020-11-18
申请号：EP20171045.6
申请日：2020-04-23
申请人： Ricoh Company, Ltd.
发明人： NAKAJIMA, Hisashi , KANEKO, Akihiro , YAMAUCHI, Yoshitaka , KUROSE, Katsunori , SHU, Hyo
IPC分类号： G03G9/097 , G03G9/08
摘要： A toner including a strontium titanate powdery material as an external additive, the strontium titanate powdery material including Si-containing particles on a surface of the strontium titanate powdery material, the Si-containing particles having a number average circle equivalent diameter of 5 nm or more but 15 nm or less.

9. 发明授权

EP1944656B1 TONER FOR DEVELOPING ELECTROSTATIC IMAGES, TONER KITS, AND IMAGE FORMATION EQUIPMENT 有权
标题翻译：碳粉静电成像墨粉组件及摄像装置
公开(公告)号：EP1944656B1
公开(公告)日：2016-05-04
申请号：EP06822832.9
申请日：2006-11-01
申请人： Ricoh Company, Ltd.
发明人： SUGIURA, Hideki , FUSHIMI, Hiroyuki , UCHINOKURA, Osamu , HONDA, Takahiro , TOMITA, Masami , SHU, Hyo , UMEHARA, Ken
IPC分类号： G03G9/087 , G03G9/09 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0819 , G03G9/08753 , G03G9/08795 , G03G9/08797 , G03G9/091 , G03G9/0912 , G03G9/0914 , G03G9/0922

10. 发明公开

EP1944656A1 TONER FOR DEVELOPING ELECTROSTATIC IMAGES, TONER KITS, AND IMAGE FORMATION EQUIPMENT 有权
标题翻译： TONER ZUM ENTWICKELN ELEKTROSTATISCHER BILDER，TONER-KITS UNDBILDERZEUGUNGSGERÄTE
公开(公告)号：EP1944656A1
公开(公告)日：2008-07-16
申请号：EP06822832.9
申请日：2006-11-01
申请人： Ricoh Company, Ltd.
发明人： SUGIURA, Hideki , FUSHIMI, Hiroyuki , UCHINOKURA, Osamu , HONDA, Takahiro , TOMITA, Masami , SHU, Hyo , UMEHARA, Ken
IPC分类号： G03G9/087 , G03G9/09
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0819 , G03G9/08753 , G03G9/08795 , G03G9/08797 , G03G9/091 , G03G9/0912 , G03G9/0914 , G03G9/0922
摘要： A toner is provided that comprises a colorant and a binder resin, wherein the binder resin comprises a polyester resin that is prepared by a polycondensation reaction in the presence of at least a titanium-containing catalyst expressed by General Formula (I) or (II), the toner has a volume average particle diameter of 2.0 µm to 10.0 µm and a ratio Dv/Dn within a range of 1.00 to 1.40, in which Dv represents a volume average particle diameter and Dn represents a number average particle diameter,

Ti(-X) m (-OH) n General Formula (I)

O=Ti(-X) p (-OR) q General Formula (II)

in General Formulas (I) and (II), X represents a residue of a mono-alkanolamine of 2 to 12 carbon atoms or a polyalkanolamine from which a hydrogen atom of one hydroxyl group is removed; other hydroxyl group(s) and still other hydroxyl group(s), within the polyalkanolamine molecule that has a directly bonding Ti atom, may polycondense to form a ring structure; other hydroxyl group(s) and still other hydroxyl group(s) may polycondense intermolecularly to form a repeating structure; and the polymerization degree is 2 to 5 in a case of forming the repeating structure; R represents one of a hydrogen atom and alkyl groups of 1 to 8 carbon atoms that may have 1 to 3 ether bonds; "m" is an integer of 1 to 4; "n" is an integer of 0 to 3; the sum of "m" and "n" is 4; "p" is an integer of 1 or 2; "q" is an integer of 0 or 1; the sum of "p" and "q" is 2; and in a case that "m" and "p" is 2 or more, the respective Xs may be identical or different each other.
摘要翻译：提供了一种调色剂，其包含着色剂和粘合剂树脂，其中所述粘合剂树脂包含在至少由通式（I）或（II）表示的含钛催化剂的存在下通过缩聚反应制备的聚酯树脂，，调色剂的体积平均粒径为2.0μm〜10.0μm，Dv / Dn的比例在1.00〜1.40的范围内，Dv表示体积平均粒径，Dn表示数均粒径，€ ƒ€ƒ€ƒ€ƒ€ƒ€ƒTi（-X）m（-OH）n€ƒ€ƒ€ƒ€ƒ一般公式（I）€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ ƒ€ƒO= Ti（-X）p（-OR）q€ƒ€ƒ€ƒ通用式（I）和（II）中的通式（II），X表示单链烷醇胺的残基 2至12个碳原子或去除一个羟基的氢原子的聚烷醇胺; 在具有直接键合Ti原子的聚链烷醇胺分子内的其它羟基和其它羟基可以缩聚形成环结构; 其他羟基和其他羟基可以分子间缩聚形成重复结构; 在形成重复结构的情况下聚合度为2〜5。 R表示氢原子和可以具有1〜3个醚键的1〜8个碳原子的烷基; “m”为1〜4的整数， “n”为0〜3的整数， “m”和“n”之和为4; “p”是1或2的整数; “q”是0或1的整数; “p”和“q”之和为2; 在“m”和“p”为2以上的情况下，各个X可以相同也可以不同。

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