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    • 1. 发明授权
    • Binder resin for electrostatic image developing toner, binder resin liquid dispersion for electrostatic image developing toner, electrostatic image developing toner, and production processes thereof
    • 用于静电图像显影调色剂的粘合剂树脂,用于静电图像显影调色剂的粘合剂树脂液体分散体,静电图像显影调色剂及其制备方法
    • US07547500B2
    • 2009-06-16
    • US11298847
    • 2005-12-12
    • Yuki SasakiSatoshi HiraokaFumiaki MeraHirotaka MatsuokaYasuo Matsumura
    • Yuki SasakiSatoshi HiraokaFumiaki MeraHirotaka MatsuokaYasuo Matsumura
    • G03G9/00
    • G03G9/08755C08G63/199G03G9/0804G03G9/08797Y02P20/125
    • A binder resin for an electrostatic image developing toner, obtained by polycondensation reaction of a polycarboxylic acid and a polyol, wherein the polycarboxylic acid comprises at least one of a compound represented by formula (1) and a compound represented by formula (2) in an amount of from 50 to 100 mol %, the polyol comprises a compound represented by formula (3) in an amount of from 50 to 100 mol %, and a content of a catalyst-originated metal element in the resin is 100 ppm or less: R1OOCA1mB1nA1lCOOR1′  (1) (wherein A1 is a methylene group, B1 is an aromatic hydrocarbon group, R1 and R1′ each is a hydrogen atom or a monovalent hydrocarbon group, 1≦m+1≦12, and 1≦n≦3); R2OOCA2pB2qA2rCOOR2′  (2) (wherein A2 is a methylene group, B2 is an alicyclic hydrocarbon group, R2 and R2′ each is a hydrogen atom or a monovalent hydrocarbon group, 0≦p≦6, 0≦r≦6, and 1≦q≦3); HOXhYjXkOH  (3) (wherein X is an alkylene oxide group, Y is a bisphenol structure group, 1≦h+k≦10, and 1≦j≦3).
    • 通过多元羧酸和多元醇的缩聚反应获得的静电图像显影调色剂用粘合剂树脂,其中所述多元羧酸包含式(1)表示的化合物和式(2)表示的化合物中的至少一种, 量为50〜100摩尔%,多元醇为50〜100摩尔%的式(3)表示的化合物,树脂中的催化剂原料金属元素的含量为100ppm以下: <?in-line-formula description =“In-line Formulas”end =“lead”?> R1OOCA1mB1nA1lCOOR1'(1)<?in-line-formula description =“In-line Formulas”end =“tail”?> 其中A1是亚甲基,B1是芳族烃基,R1和R1'各自是氢原子或一价烃基,1≤m+1≤12和1≤n≤3)。 <?in-line-formula description =“In-line Formulas”end =“lead”?> R2OOCA2pB2qA2rCOOR2'(2)<?in-line-formula description =“In-line Formulas”end =“tail”?> 其中A2是亚甲基,B2是脂环族烃基,R2和R2各自是氢原子或一价烃基,0 <= p <= 6,0 <= r = 6和1 <= q <= 3); <?in-line-formula description =“In-line Formulas”end =“lead”?> HOXhYjXkOH(3)<?in-line-formula description =“In-line formula”end =“tail”?> X是环氧烷基团,Y是双酚结构基团,1 <= h + k <= 10,1 <= j = 3)。
    • 8. 发明授权
    • Resin particle dispersion liquid, and method for producing the same
    • 树脂粒子分散液及其制造方法
    • US07776994B2
    • 2010-08-17
    • US11730147
    • 2007-03-29
    • Fumiaki MeraHirotaka MatsuokaSatoshi HiraokaYuki SasakiYasuo Matsumura
    • Fumiaki MeraHirotaka MatsuokaSatoshi HiraokaYuki SasakiYasuo Matsumura
    • C08G63/02
    • G03G13/08C08J3/03C08J2367/02G03G9/0806G03G9/08755G03G9/08795G03G9/08797G03G9/09725Y10T428/254
    • A resin particle dispersion liquid comprises: resin particles comprising polyester having terminal carboxyl groups, the polyester being obtained by polycondensation of a polycondensable monomer, wherein the polyester has the terminal carboxyl groups that are partially neutralized to form carboxyl anions, the resin particles in the resin particle dispersion liquid having a value of (da/(da+dc)) of from approximately 0.30 to approximately 0.90, when in an absorption spectrum of the resin particles measured with an infrared spectrometer, dc represents a peak intensity of the terminal carboxyl group in a range of from 1,780 to 1,680 cm−1, and da represents a peak intensity of the neutralized carboxyl anion in a range of from 1,670 to 1,550 cm−1, the polyester has an acid value of approximately 1 mg·KOH/g or more and less than approximately 15 mg·KOH/g before neutralization, the resin particles dispersion liquid comprises a divalent or higher organic acid in an amount of from approximately 0.1 to approximately 20 parts by weight per 100 parts by weight of the resin particles, and the resin particles have a median diameter of from approximately 0.1 to approximately 2.0 μm.
    • 树脂颗粒分散液包括:包含具有末端羧基的聚酯的树脂颗粒,所述聚酯通过缩聚单体的缩聚获得,其中所述聚酯具有部分中和以形成羧基阴离子的末端羧基,树脂中的树脂颗粒 具有大约0.30至大约0.90的值(da /(da + dc))的颗粒分散液,当在用红外光谱仪测量的树脂颗粒的吸收光谱中,dc表示末端羧基的峰强度 从1,780至1,680cm -1的范围,da表示中和的羧基阴离子在1,670至1,550cm -1范围内的峰强度,该聚酯具有约1mg·KOH / g以上的酸值 并且在中和之前小于约15mg·KOH / g,所述树脂颗粒分散液包含二价或更高有机酸,其量约为 相对于100重量份的树脂粒子为0.1〜约20重量份,树脂粒子的中值粒径为约0.1〜约2.0μm。