公开(公告)号：EP1324144A2

公开(公告)日：2003-07-02

申请号：EP02016385.3

申请日：2002-07-26

申请人： Toyo Ink Manufacturing Co. Ltd. ,  IDEMITSU KOSAN COMPANY LIMITED

发明人： Nakanishi, Yasushi, Toyo Ink Manufact. Co., Ltd. ,  Iemura, Hirofumi, Toyo Ink Manufact. Co., Ltd. ,  Hikosaka, Takaaki

IPC分类号： G03G9/087

CPC分类号： G03G9/09 ,  G03G9/0833 ,  G03G9/0835 ,  G03G9/0836 ,  G03G9/0837 ,  G03G9/0838 ,  G03G9/0839 ,  G03G9/08704 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： An electrostatic image developing toner comprising at least a binder resin and a releasant, wherein the binder resin comprises a petroleum resin and a styrene-based copolymer or styrene-based homopolymer in an amount of 5:5 to 7:3 by weight in terms of the ratio of the petroleum resin : styrene-based copolymer or styrene-based homopolymer and has the maximum molecular weight value (P L ) based on the petroleum resin in a range of from 5 x 10 2 to 2 x 10 3 and the maximum molecular weight value (P H ) based on the styrene-based copolymer or styrene-based homopolymer in a range of from 1 x 10 5 to 4.5 x 10 5 in the chromatogram obtained by measuring the binder resin through gel permeation chromatography and the releasant is a wax having a melt viscosity at 140°C of 10 2 mPa/s (cp) or less and is added in an amount of 1 to 7 parts by weight per 100 parts by weight of the toner.

摘要翻译： 一种静电图像显影调色剂，其至少包含粘合剂树脂和脱模剂，其中粘合剂树脂包含石油树脂和基于苯乙烯的共聚物或基于苯乙烯的均聚物，其量为5：5至7：3，以 石油树脂：苯乙烯基共聚物或苯乙烯基均聚物的比例，并且具有在5×10 2至2×10 3范围内的基于石油树脂的最大分子量值（PL）和 在通过凝胶渗透测量粘合剂树脂获得的色谱图中基于苯乙烯基共聚物或基于苯乙烯的均聚物的最大分子量值（PH）在1×10 5至4.5×10 5的范围内 色谱法，其中140℃下的熔体粘度为10 2 mPa·s（cp）以下，相对于调色剂100重量份为1〜7重量份。