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公开(公告)号:US4968575A
公开(公告)日:1990-11-06
申请号:US221074
申请日:1988-07-19
CPC分类号: C08G63/46 , G03G9/08755 , G03G9/08788 , G03G9/09741 , G03G9/0975
摘要: There are provided binder resins for use in toner compositions which comprise, as the main component thereof, a terminally blocked polyester in which the terminal hydroxyl groups of polyester polyol molecules are blocked by a rosin compound selected from the group consisting of rosin, hydrogenated rosin and disproportionated rosin and which has an acid value of not more than 4 KOH mg/g and a hydroxyl value of not more than 20 KOH mg/g as well as toner compositions comprising them in combination of a coloring agent and a charge control agent.
摘要翻译: 提供了用于调色剂组合物中的粘合剂树脂,其包含作为其主要组分的封端聚酯,其中聚酯多元醇分子的末端羟基被松香化合物所包封,所述松香化合物选自松香,氢化松香和 歧化松香,其酸值不大于4KOHmg / g,羟基值不超过20KOHmg / g,以及包含它们与着色剂和电荷控制剂组合的调色剂组合物。