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    Non-electrostatic resin particle, and application of the same
    4.
    发明专利
    Non-electrostatic resin particle, and application of the same 审中-公开
    非静电树脂颗粒及其应用

    公开(公告)号：JP2014066913A

    公开(公告)日：2014-04-17

    申请号：JP2012212839

    申请日：2012-09-26

    Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

    Inventor： KATAYAMA YUGO ,  KUBOTA HIRONOBU

    IPC: G02F1/167 ,  C08F290/02

    Abstract: PROBLEM TO BE SOLVED: To provide non-electrostatic resin particles capable of suppressing precipitation of electrostatic colored resin particles and non-electrostatic resin particles, when having been dispersed in a dispersion medium together with the electrostatic colored resin particles.SOLUTION: Non-electrostatic resin particles are non-electrostatic resin particles formed by polymerizing a vinyl-based monomer indicating a measured value of a charge amount of 5 nC/cmor less, when placed between a pair of ITO electrodes forming parallel flat plates with a distance between electrodes of 50 μm and with an applied voltage of 15 V during 60 s, in a state of being dispersed in a silicone oil having dynamic viscosity of 100 cSt or less and with solid concentration of 30 wt.%. When viscosities at 25°C and at a shear rate of a non-electrostatic resin particle dispersed body which is dispersed in a nonpolar solvent with solid concentration of 30 wt.% of 10 sand 1000 sare set to be ηand η, respectively, 1.2≤η/η≤10 is satisfied.

    Abstract translation: 要解决的问题：提供能够抑制静电着色树脂颗粒和非静电树脂颗粒沉淀的非静电树脂颗粒，当与静电着色树脂颗粒一起分散在分散介质中时。非离子树脂 颗粒是通过聚合表示电荷量为5nC / cm 2以下的测定值的乙烯基类单体形成的非静电性树脂颗粒，当放置在形成平行平板的一对ITO电极之间时，电极间距离为50μm 在60秒内施加15V的电压，分散在动态粘度为100cSt以下且固体成分浓度为30重量％的硅油中。 当分散在固体浓度为30重量％的10个砂1000的非极性溶剂中的非静电树脂颗粒分散体的25℃和剪切速率下的粘度分别设定为＆eegr和＆eegr ，1.2≤＆eegr; /＆eegr;≤10。

    Method for producing polymer particle
    5.
    发明专利
    Method for producing polymer particle 有权
    生产聚合物颗粒的方法

    公开(公告)号：JP2012077170A

    公开(公告)日：2012-04-19

    申请号：JP2010222774

    申请日：2010-09-30

    Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

    Inventor： KATAYAMA YUGO ,  KUWAGAKI YOSHIYUKI

    IPC: C08F220/18 ,  C08F2/22 ,  C08F2/44 ,  C08F220/40

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polymer particle which has excellent polymerization stability, and can exhibit stable fluidity even under the increase of humidity when being used as an electrophotographic toner external additive.SOLUTION: In the method for producing a polymer particle, 100 pts.wt. of a polymerizable vinyl monomer comprising (meth)acrylic acid ester based monomer and (meth)acrylic acid allyl is emulsion-polymerized in an aqueous medium in the presence of 0.05 to 0.5 pts.wt. of ion-denatured vinyl alcohol without adding a surfactant.

    Abstract translation: 要解决的问题：提供一种聚合稳定性优异的聚合物颗粒的制造方法，即使在作为电子照相调色剂外用添加剂使用时，即使在湿度增加下也能表现出稳定的流动性。 解决方案：在聚合物颗粒的制备方法中，100重量份 包含（甲基）丙烯酸酯基单体和（甲基）丙烯酸烯丙基的可聚合乙烯基单体在0.05至0.5重量份存在下在水性介质中进行乳液聚合。 的离子变性乙烯醇，而不添加表面活性剂。 版权所有（C）2012，JPO＆INPIT

    Non-chargeable colored resin particle and use of the same
    6.
    发明专利
    Non-chargeable colored resin particle and use of the same 有权
    不含有色树脂颗粒及其使用

    公开(公告)号：JP2014048476A

    公开(公告)日：2014-03-17

    申请号：JP2012191501

    申请日：2012-08-31

    Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

    Inventor： KATAYAMA YUGO ,  KUBOTA HIRONOBU

    IPC: G02F1/167 ,  C09B67/08 ,  C09B67/46 ,  G02F1/17

    Abstract: PROBLEM TO BE SOLVED: To provide non-chargeable colored resin particles excellent in dispersion stability in a dispersion medium, and use of the particles.SOLUTION: The non-chargeable colored resin particles include: pigment particles comprising a metal oxide treated with a surface treating agent; and a polymer coating surfaces of the pigment particles. The polymer includes a structural unit derived from a reactive dispersant and a structural unit derived from an aromatic vinyl monomer having no poplar group. The reactive dispersant comprises a copolymer of a monomer mixture including 100 parts by weight of a silicone macromonomer and 0.5 to 20 parts by weight of an asymmetric polyvinyl monomer. When the non-chargeable colored resin particles dispersed by 20 wt.% as a solid content concentration in a silicone oil having a kinetic viscosity of 100 cSt or less are interposed between a pair of planar indium tin oxide electrodes parallel to each other and spaced from each other at a distance of 50 μm and subjected to application of 15 V voltage for 60 seconds, the resin particles exhibit a measured charge amount of 20 nC/cmor less. The non-chargeable colored resin particles can be used for an electrophoretic display device.

    Abstract translation: 要解决的问题：提供在分散介质中分散稳定性优异的无电荷着色树脂颗粒和使用该颗粒。溶液：不带电的着色树脂颗粒包括：包含用表面处理处理的金属氧化物的颜料颗粒 剂; 和颜料颗粒的聚合物涂层表面。 聚合物包括衍生自反应性分散剂的结构单元和衍生自没有杨酸基团的芳族乙烯基单体的结构单元。 反应性分散剂包括单体混合物的共聚物，其包含100重量份的硅氧烷大分子单体和0.5至20重量份的不对称聚乙烯基单体。 当在一对平行的铟锡氧化物电极之间插入具有动态粘度为100cSt以下的硅油中固体成分浓度为20重量％的不可充电着色树脂颗粒并且间隔开 彼此间隔50μm，施加15V电压60秒，树脂粒子的测定电荷量为20nC / cm以下。 不带电的有色树脂颗粒可用于电泳显示装置。

    Polymer particle and application of the same
    7.
    发明专利
    Polymer particle and application of the same 有权
    聚合物颗粒及其应用

    公开(公告)号：JP2012201862A

    公开(公告)日：2012-10-22

    申请号：JP2011070161

    申请日：2011-03-28

    Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

    Inventor： KATAYAMA YUGO ,  SATO KAORI

    IPC: C08F220/10 ,  G03G9/08 ,  G03G9/113

    Abstract: PROBLEM TO BE SOLVED: To provide polymer particles having thermal properties in which the polymer particles can be appropriately fused by mechanical external force and heat, particularly, the polymer particles suitable for an external additive for an electrophotographic toner and an carrier coat additive which are used for electrostatic charge phenomena.SOLUTION: The polymer particle includes a polymer derived from a polymerizable monomer which contains 50-97 wt.% of a methacrylate monomer and 3-50 wt.% of an asymmetry polyvinyl monomer having two or more vinyl groups different in reactivity. The polymer particles have an average particle size of 0.05-1.0 μm, a gel fraction of 60% or more, and a storage modulus G' at 160°C of 3×10-2×10Pa or less.

    Abstract translation: 要解决的问题：提供具有热性质的聚合物颗粒，其中聚合物颗粒可以通过机械外力和热量适当地熔合，特别是适用于电子照相调色剂和载体涂料添加剂的外部添加剂的聚合物颗粒 用于静电荷现象。 解决方案：聚合物颗粒包括衍生自可聚合单体的聚合物，其含有50-97重量％的甲基丙烯酸酯单体和3-50重量％的具有两个或更多个反应性不同的乙烯基的不对称聚乙烯基单体。 聚合物颗粒的平均粒径为0.05-1.0μm，凝胶分数为60％以上，在160℃下的储能模量G'为3×10 4 SP / -2×10 6 Pa以下。 版权所有（C）2013，JPO＆INPIT

    Non-electrostatic colored resin particle and use thereof
    8.
    发明专利
    Non-electrostatic colored resin particle and use thereof 有权
    非静电色素树脂颗粒及其用途

    公开(公告)号：JP2014010308A

    公开(公告)日：2014-01-20

    申请号：JP2012146919

    申请日：2012-06-29

    Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

    Inventor： KUBOTA HIRONOBU ,  KATAYAMA YUGO

    IPC: G02F1/167 ,  C08F2/38 ,  C08F2/44

    Abstract: PROBLEM TO BE SOLVED: To provide a non-electrostatic colored resin particle reduced in electrostatic chargeability.SOLUTION: A non-electrostatic colored resin particle comprises: a pigment particle 1 made of a metal oxide; a layer 2 derived from a surface treatment agent which covers the pigment particle 1; and a resin layer 3 which covers the layer 2 derived from a surface treatment agent. The surface treatment agent is a fluorine group-containing silane compound represented by a general formula (1) RRSiX. The amount of the layer 2 derived from a surface treatment agent is 0.05 to 2.50 mg per surface area 1 mof the pigment particle 1. The non-electrostatic colored resin particle has the measured value of the electrostatic charge of 10nC/cmor smaller when a voltage of 15 V is applied to each of non-electrostatic colored resin particles sandwiched between a pair of mutually parallel flat ITO electrodes with a mutual distance of 50 μm for 60 seconds while the non-electrostatic colored resin particles with a solid component concentration of 20 wt.% are dispersed in silicone oil whose dynamic viscosity is 100 cSt or less.

    Abstract translation: 要解决的问题：提供降低静电荷性的非静电着色树脂颗粒。解决方案：非静电着色树脂颗粒包括：由金属氧化物制成的颜料颗粒1; 衍生自覆盖颜料颗粒1的表面处理剂的层2; 以及覆盖来自表面处理剂的层2的树脂层3。 表面处理剂是由通式（1）RRSiX表示的含氟基的硅烷化合物。 来自表面处理剂的层2的量为颜料颗粒1的1面的表面积为0.05〜2.50mg。当静电着色树脂颗粒的电压为10nC / cm 2时，静电电荷的测定值较小 对相互间隔为50μm的一对相互平行的平面ITO电极间隔着60秒钟的非静电着色树脂粒子施加15V，而固体成分浓度为20重量％的非静电着色树脂粒子 ％分散在动态粘度为100cSt以下的硅油中。

    Method for producing resin particle and product of the same
    9.
    发明专利
    Method for producing resin particle and product of the same 有权
    生产树脂颗粒及其产品的方法

    公开(公告)号：JP2013203986A

    公开(公告)日：2013-10-07

    申请号：JP2012076996

    申请日：2012-03-29

    Applicant: Sekisui Plastics Co Ltd ,  積水化成品工業株式会社

    Inventor： KATAYAMA YUGO

    IPC: C08F2/24 ,  G03G9/08 ,  G03G9/113

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing resin particles, which show low moisture absorption and excellent mechanical stability in a dispersion liquid.SOLUTION: A method for producing resin particles includes a step of emulsion polymerizing a hydrophobic vinyl monomer selected from a group consisting of a styrene monomer and a (meth)acrylate monomer having a hydrocarbon group having 4 to 8 carbon atoms, in an aqueous medium in the presence of a hydrophilic vinyl monomer, a reactive surfactant having a polyoxyalkylene chain and a polymerization initiator. The hydrophilic vinyl monomer and the reactive surfactant are used in proportions of 0.2 to 2.7 pts.mass and 0.3 to 2.8 pts.mass, respectively, with respect to 100 pts.mass of the hydrophobic vinyl monomer.

    Abstract translation: 要解决的问题：提供一种在分散液中显示低吸湿性和优异的机械稳定性的树脂颗粒的制造方法。解决方案：树脂颗粒的制造方法包括将疏水性乙烯基单体乳液聚合的工序，所述疏水性乙烯基单体选自 由含有碳原子数为4〜8的烃基的（甲基）丙烯酸酯单体在亲水性乙烯基单体的存在下在水性介质中形成，具有聚氧化烯链的反应性表面活性剂和聚合引发剂。 亲水性乙烯基单体和反应性表面活性剂的使用比例分别为相对于100磅/平方米的疏水性乙烯基单体为0.2〜2.7质量份和0.3〜2.8份。

    着色樹脂粒子の製造方法及び着色樹脂粒子分散体の製造方法、並びに、着色樹脂粒子、着色樹脂粒子分散体、及びその用途
    10.
    发明专利
    着色樹脂粒子の製造方法及び着色樹脂粒子分散体の製造方法、並びに、着色樹脂粒子、着色樹脂粒子分散体、及びその用途 审中-公开
    用于生产有色树脂颗粒的方法，用于生产有色树脂颗粒分散体的方法，着色树脂颗粒，着色树脂颗粒分散体及其用途

    公开(公告)号：JP2014199290A

    公开(公告)日：2014-10-23

    申请号：JP2013074120

    申请日：2013-03-29

    Applicant: 積水化成品工業株式会社 ,  Sekisui Plastics Co Ltd

    Inventor： KATAYAMA YUGO ,  KUBOTA HIRONOBU

    IPC: G02F1/167 ,  C08F6/00

    Abstract: 【課題】着色樹脂粒子の駆動特性に優れている着色樹脂粒子又は着色樹脂粒子分散体を生産性良く製造できる着色樹脂粒子の製造方法及び着色樹脂粒子分散体の製造方法を提供する。【解決手段】少なくとも有機溶媒(A)と着色樹脂粒子と溶解度パラメータが6.5〜10.0(cal/cm3)1/2の範囲内である分散安定剤とを含有する着色樹脂粒子分散液から、分散安定剤が除去された着色樹脂粒子を得る着色樹脂粒子の製造方法において、着色樹脂粒子分散液に有機溶媒(E)を少なくとも1回添加して着色樹脂粒子を凝集させた後に有機溶媒(E)を除去することによって洗浄を行う洗浄工程を少なくとも1回含み、分散安定剤の溶解度パラメータをδD(cal/cm3)1/2とし、有機溶媒(A)及び少なくとも1回で添加された有機溶媒(E)全体としての溶解度パラメータをδS(cal/cm3)1/2としたときに、0.5≦̸δS−δD≦̸5.0を満たす。【選択図】なし

    Abstract translation: 要解决的问题：提供一种着色树脂颗粒的制备方法和着色树脂颗粒分散体的制备方法，通过该方法可以生产具有高的着色树脂颗粒的驱动特性的着色树脂颗粒或着色树脂颗粒分散体 制造着色树脂颗粒的方法包括从着色树脂颗粒分散液中获得着色树脂颗粒，所述着色树脂颗粒分散液至少包含有机溶剂（A），着色树脂颗粒和溶解度参数在6.5范围内的分散稳定剂 至10.0（cal / cm），通过除去分散稳定剂。 该方法包括至少一个清洗步骤，至少将有机溶剂（E）加入到着色树脂颗粒分散液中以聚集着色树脂颗粒，然后通过除去有机溶剂（E）来清洗聚集体。 分散稳定剂的溶解度参数δ（cal / cm）和作为整体添加至少一次的有机溶剂（A）和有机溶剂（E）的溶解度参数δ（cal / cm）满足0.5≤δ- δ≤5.0。

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