会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Toner and image forming method
    • 调色剂和成像方法
    • US5976752A
    • 1999-11-02
    • US135167
    • 1998-08-18
    • Satoshi MatsunagaKoichi TomiyamaYuichi MizohKeita NozawaMinekazu EndoTadashi DoujoYoshihiro OgawaNene Shibayama
    • Satoshi MatsunagaKoichi TomiyamaYuichi MizohKeita NozawaMinekazu EndoTadashi DoujoYoshihiro OgawaNene Shibayama
    • G03G9/087G03G9/097G03G13/22
    • G03G9/08755G03G9/087G03G9/08702G03G9/08711G03G9/08728G03G9/08797
    • An electrophotographic toner is composed of at least a binder resin, a colorant, and a wax. The binder resin (a) comprises a polyester resin, a vinyl resin and a hybrid resin component comprising a polyester unit and a vinyl polymer unit, (b) has a THF (tetrahydrofuran)-soluble content (W1) of 50-85 wt. % and a THF-insoluble content (W2) of 5-50 wt. %, an ethyl acetate-soluble content (W3) of 40-98 wt. % and an ethyl acetate-insoluble content (W4) of 2-60 wt. %, a chloroform-soluble content (W5) of 55-90 wt. % and a chloroform-insoluble content (W6) of 10-45 wt. %, respectively after 10 hours of Soxhlet extraction with respective solvents, giving a ratio W4/S6 of 1.1-4.0, and contains a THF-soluble content providing a GPC (gel permeation chromatography) chromatogram exhibiting a main peak in a molecular weight range of 4000-9000, including 35.0-65.0% (A1) of a component haing molecular weights in a range of 500 to below 1.times.10.sup.4, 25.0-45.0% (A2) of a component having molecular weights in a range of 1.times.10.sup.4 to below 1.times.10.sup.5 and 10.0-30.0% (A3) of a component having molecular weights of at least 1.times.10.sup.5 giving a ratio A1/A2 of 1.05-2.00. The binder resin shows good dispersibility of wax and colorant.
    • 电子照相调色剂由至少粘合剂树脂,着色剂和蜡组成。 粘合剂树脂(a)包括聚酯树脂,乙烯基树脂和包含聚酯单元和乙烯基聚合物单元的混合树脂组分,(b)具有50-85重量%的THF(四氢呋喃) - 可溶成分(W1) %和THF不溶物含量(W2)为5-50wt。 %,40-98重量%的乙酸乙酯可溶物含量(W3) %,乙酸乙酯不溶物含量(W4)为2-60wt。 %,55-90重量%的氯仿可溶物含量(W5) %,氯仿不溶物含量(W6)为10-45wt。 %,分别用各自的溶剂提取索氏提取10小时后,得到比例W4 / S6为1.1-4.0,并含有THF可溶性成分,提供在分子量范围内显示主峰的GPC(凝胶渗透色谱)色谱图 4000-9000,包括分子量在500至低于1×10 4范围内的分子量为35.0-65.0%(A1),分子量为1×104至低于1×10 5的组分的25.0-45.0%(A2)和10.0 -30.0%(A3)的分子量为至少1×10 5的组分,其A1 / A2比为1.05-2.00。 粘合剂树脂表现出良好的蜡和着色剂的分散性。
    • 8. 发明授权
    • Toner for developing electrostatic image, and image forming method
    • 用于显影静电图像的调色剂和图像形成方法
    • US5955234A
    • 1999-09-21
    • US947273
    • 1997-10-08
    • Satoshi MatsunagaManabu OhnoTadashi Doujo
    • Satoshi MatsunagaManabu OhnoTadashi Doujo
    • C08F257/00C08F265/06G03G9/08G03G9/087
    • C08F257/00C08F265/06G03G9/081G03G9/08711G03G9/08782G03G9/08788G03G9/08795G03G9/08797
    • A toner for developing an electrostatic image is comprised of a binder resin, a colorant and a wax. The toner has the following rheological characteristics: (a) a temperature at which the ratio of a loss elastic modulus to a storage elastic modulus (G"/G'=tan .delta.) comes to be 1.0 is present in a temperature range of from 55.degree. C. to 70.degree. C., with an elastic modulus being 1.5.times.10.sup.8 Pa or below; (b) the ratio of the storage elastic modulus at a temperature of 40.degree. C. (G'.sub.40) to the storage elastic modulus at a temperature of 50.degree. C. (G'.sub.50), G'.sub.40 /G'.sub.50, is from 1.5 to 5.0; (c) the ratio of the storage elastic modulus at a temperature of 50.degree. C. (G'.sub.50) to the storage elastic modulus at a temperature of 60.degree. C. (G'.sub.60), G'.sub.50 /G'.sub.60, is from 3 to 20; (d) the ratio of the storage elastic modulus at a temperature of 70.degree. C. (G'.sub.70) to the storage elastic modulus at a temperature of 100.degree. C. (G'.sub.100), G'.sub.70 /G'.sub.100, is from 50 to 250; and (e) the ratio of the storage elastic modulus at a temperature of 110.degree. C. (G'.sub.110) to the storage elastic modulus at a temperature of 140.degree. C. (G'.sub.140), G'.sub.110 /G'.sub.140, is from 2 to 20.
    • 用于显影静电图像的调色剂由粘合剂树脂,着色剂和蜡组成。 调色剂具有以下流变特性:(a)在下述的温度范围内存在损耗弹性模量与储能弹性模量(G“/ G'=tanδ)的比率为1.0的温度 55℃至70℃,弹性模量为1.5×10 8 Pa或更低; (b)在温度为40℃(G'40)下的储能弹性模量与50℃温度(G'50),G'40 / G'50, 为1.5〜5.0; (c)温度为50℃(G'50)的储能弹性模量与60℃温度(G'60),G'50 / G'60, 从3到20; (d)温度为70℃(G'70)时的储能弹性模量与100℃(G'100),G'70 / G'100的储能弹性模量的比率, 从50到250; 和(e)温度为110℃(G'110)时的储能弹性模量与140℃温度下的储能弹性模量(G'140),G'110 / G'140 是从2到20。
    • 9. 发明授权
    • Toner having negative triboelectric chargeability and image forming
method
    • 具有负摩擦带电性和图像形成方法的调色剂
    • US6156470A
    • 2000-12-05
    • US362221
    • 1999-07-28
    • Satoshi MatsunagaHirohide TanikawaMinekazu Endo
    • Satoshi MatsunagaHirohide TanikawaMinekazu Endo
    • G03G9/087G03G9/097G03G13/22
    • G03G9/09783G03G9/08795
    • A toner having a negative triboelectric chargeability is constituted by at least a binder resin, a colorant, a wax and an organic metal compound. The toner is characterized in that: (a) the toner has an acid value of 5-35 mgKOH/g, (b) the binder resin comprises a vinyl polymer, (c) the binder resin in the toner contains a chloroform-insoluble content in an amount of 3-50 wt. %, (d) the toner contains a THF (tetrahydrofuran)-soluble content providing a GPC (gel permeation chromatography) chromatogram exhibiting a main peak in a molecular weight range of 5,000-30,000 and at least one sub-peak and/or shoulder in a molecular weight range of 2.times.10.sup.5 -15.times.10.sup.5 and including 15-70% of a component having molecular weights of 1.times.10.sup.4 -10.times.10.sup.4, and (e) the organic metal compound is an organic zirconium compound comprising a coordination or/and a bonding of zirconium and an aromatic compound as a ligand or/and an acid source selected from the group consisting of aromatic diols, aromatic hydroxycarboxylic acids, aromatic monocarboxylic acids, and aromatic polycarboxylic acids.
    • 具有负摩擦带电性的调色剂至少由粘合剂树脂,着色剂,蜡和有机金属化合物构成。 调色剂的特征在于:(a)调色剂的酸值为5-35mgKOH / g,(b)粘合剂树脂包含乙烯基聚合物,(c)调色剂中的粘合剂树脂含有氯仿不溶物含量 其量为3-50wt。 %,(d)调色剂含有THF(四氢呋喃) - 可溶成分,其提供GPC(凝胶渗透色谱)色谱图,其显示分子量范围为5,000-30,000的主峰和至少一个亚峰和/或肩峰 分子量范围为2×105-15×105,包括15-70%的分子量为1×10 4 -10×10 4的组分,和(e)有机金属化合物是一种有机锆化合物,其包含锆和/ 芳族化合物作为配体或/和选自芳族二醇,芳族羟基羧酸,芳族一元羧酸和芳族多元羧酸的酸源。