公开(公告)号：US09459546B2

公开(公告)日：2016-10-04

申请号：US14143198

申请日：2013-12-30

Applicant: Samsung Electronics Co., Ltd

Inventor： Se-young Yoon ,  Sung-jin Park ,  Hong-chul Shin ,  Seung-sik Woo ,  In-su Lee

IPC: G03G9/087 ,  G03G9/08 ,  G03G9/097

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/09708 ,  G03G9/09725

Abstract: A toner to develop electrostatic latent images which uses an appropriate combination of a high molecular weight binder resin and a low molecular weight binder resin, an appropriate amount of a releasing agent, and a combination of silica particles and iron oxide particles as external additives, and thus has the following effects: the toner may reduce a generation amount of ultra-fine particles (UFPs) and have enhanced fluidity, charging uniformity, charging stability, transfer efficiency, fixability, durability and a cleaning ability.

Abstract translation: 用于开发静电潜像的调色剂，其使用高分子量粘合剂树脂和低分子量粘合剂树脂，适量的脱模剂以及二氧化硅颗粒和氧化铁颗粒的组合作为外部添加剂的适当组合，以及 因此具有以下效果：调色剂可以减少超细颗粒（UFP）的产生量，并且具有增强的流动性，充电均匀性，充电稳定性，转印效率，定影性，耐久性和清洁能力。

公开(公告)号：US09005858B2

公开(公告)日：2015-04-14

申请号：US13795196

申请日：2013-03-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Se-young Yoon ,  Sung-jin Park ,  Hong-chul Shin ,  Seung-sik Woo ,  Hae-ree Joo

IPC: G03G9/083 ,  G03G9/08 ,  G03G9/097

CPC classification number: G03G9/08 ,  G03G9/0804 ,  G03G9/0821 ,  G03G9/0823 ,  G03G9/0825 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725

Abstract: A toner to develop electrostatic latent images, which has surface characteristics that may simultaneously improve charge uniformity, charge stability, transferability, and cleaning ability. The toner to develop electrostatic latent images may include core particles comprising a binder resin, a colorant, and a releasing agent; and an external additive including silica particles and titanium dioxide particles, wherein the external additive is attached to external surfaces of the core particles, wherein an iron intensity [Fe], a silicon intensity [Si], and a titanium intensity [Ti] that are measured by X-ray fluorescence (XRF) satisfy both conditions, 0.004≦[Si]/[Fe]≦0.009 and 0.8≦[Ti]/[Fe]≦2.

Abstract translation: 用于显影静电潜像的调色剂，其具有可以同时改善电荷均匀性，电荷稳定性，转印性和清洁能力的表面特性。 用于显影静电潜像的调色剂可以包括包含粘合剂树脂，着色剂和脱模剂的芯颗粒; 和包含二氧化硅颗粒和二氧化钛颗粒的外部添加剂，其中外部添加剂附着到芯颗粒的外表面，其中铁强度[Fe]，硅强度[Si]和钛强度[Ti] 通过X射线荧光（XRF）测量，满足条件0.004＆nlE; [Si] / [Fe]＆nlE; 0.009和0.8＆nlE; [Ti] / [Fe]＆nlE; 2。