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京东方科技集团股份有限公司,北京 100015, E-mail: zhangzhuo@boe.com.cn
收稿日期:2010-01-20,
修回日期:2010-04-18,
网络出版日期:2010-08-20,
纸质出版日期:2010-08-20
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张 卓, 何 璇, 李 琳. 颜料分散用树脂的合成及性能研究[J]. 液晶与显示, 2010,25(4): 481-485
ZHANG Zhuo, HE Xuan, LI Lin. Synthesis and Performance of Polyacrylate Resin Used on Pigment-Dispersion[J]. 液晶与显示, 2010,25(4): 481-485
合成了一种聚甲基丙烯酸树脂
能协同多种分散剂有效地分散彩色滤光片用颜料C.I. P.R254。在颜料浓度为15%(质量分数)时
能将颜料颗粒研磨至粒径为90 nm左右
dpi仅为1.5
并且该高浓颜料液的黏度仅为5 mPas
在室温下能稳定保存至少6个月。该树脂对DisperBYK2000、DisperBYK2001等多种分散剂都有很好的宽容性
而仅有分散剂无树脂则无法达到上述稳定的分散效果。更为重要的是
以该颜料分散液配制的颜料光阻剂具有解析度高(线宽6 m以下)、像素整齐、表面平整的特点
具备实际应用能力。
A polyacrylate resin was synthesized that could be used on pigment-dispersion for color filter cooperating with dispersant. The pigment of C.I. P.R 254 was milled to well-distributed particles about 90 nm with 1.5 dpi on 15% concentration. And the dispersed-pigment solution had been much stable in low viscosity on 5 mPas over 6 months at room temperature. Furthermore
the resin can cooperate with many dispersants
such as DisperBYK2000
DisperBYK2001. On the other hand
it couldnt obtain the well-dispersed pigment solution using dispersant merely without the polyacrylate resin. Whats the most important is that the photo resist for color filter using this dispersed-pigment solution above showed high resolution (less than 6 m)
neat edge and flat surface.
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