硅烷添加剂Y9669对STN液晶取向剂性能的影响

汪映寒; 周于蓝; 刘斌; 龚世铭

doi:10.3788/YJYXS20153006.0920

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硅烷添加剂Y9669对STN液晶取向剂性能的影响

材料物理和化学 | 更新时间：2020-08-12

- 硅烷添加剂Y9669对STN液晶取向剂性能的影响
- Influence of silane additive Y9669 on STN liquid crystal alignment agent's performance
- 液晶与显示 2015年30卷第6期页码：920-924
- 作者机构：
  
  四川大学高分子科学与工程学院高分子材料工程国家重点实验室,四川成都,610065
- 作者简介：
- 基金信息：
  
  国家自然科学基金(No.51173115)()
- DOI：10.3788/YJYXS20153006.0920
  中图分类号： O633.22+3
- 收稿日期：2015-04-03，
  
  修回日期：2015-05-15，
  
  纸质出版日期：2015-12-05
- 稿件说明：
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汪映寒, 周于蓝, 刘斌等. 硅烷添加剂Y9669对STN液晶取向剂性能的影响[J]. 液晶与显示, 2015,30(6): 920-924

WANG Ying-han, ZHOU Yu-lan, LIU Bin etc. Influence of silane additive Y9669 on STN liquid crystal alignment agent's performance[J]. , 2015,30(6): 920-924
汪映寒, 周于蓝, 刘斌等. 硅烷添加剂Y9669对STN液晶取向剂性能的影响[J]. 液晶与显示, 2015,30(6): 920-924 DOI： 10.3788/YJYXS20153006.0920.

WANG Ying-han, ZHOU Yu-lan, LIU Bin etc. Influence of silane additive Y9669 on STN liquid crystal alignment agent's performance[J]. , 2015,30(6): 920-924 DOI： 10.3788/YJYXS20153006.0920.

摘要

在工业生产中

STN液晶取向剂在以薄膜形式涂覆在玻璃基板表面并进行热固化后

需要用溶剂对其进行洗涤。在洗涤中

薄膜从玻璃基板上脱落的现象时有发生。针对这种现象

需要一种添加剂

在不影响STN液晶取向剂的粘度、外观、预倾角、硬度等性质的同时

提高其粘接性能。在液晶取向剂中引入了N-苯基-3-氨基丙基三甲氧基硅烷(Y9669)添加剂

将硅烷添加剂以不同添加比例与取向剂搅拌混合后

得到5份添加剂含量不同的溶液。表征并对比了含有不同含量添加剂的STN液晶取向剂的粘度、外观、预倾角、硬度、粘接性等性质。实验结果表明:对于STN液晶取向剂体系

硅烷添加剂Y9669的最佳添加比例为取向剂固含量的0.5%

此时得到的取向剂综合性能更加优异。硅烷添加剂Y9669基本能够达到在不影响取向剂其他性能的同时

提高其对基板粘接性能的要求。

Abstract

When the STN liquid crystal alignment agent is filmed and thermoformed on the surface of glass substrates in industrial production

it is necessary to clean the substrates with solvents. In the process of cleaning

the film often peels off from its substrate. To tackle this problem

an additive is required to improve the adhesive performance of the agent without sacrificing its viscosity

outlook

pretilt angle and hardness. A silane additive N-[3-(trimethoxysilyl) propyl]aniline (Y9669) is introduced into the agent. Five solutions were prepared for the agent in mixture with the additive in different proportions. The viscosity

outlook

pretilt angle

hardness and etc. of the solutions were examined. The STN liquid crystal alignment agent system reaches its best overall performance when the silane additive Y9669 is added 0.5% equal to the solid content of the agent. The silane additive Y9669 could improve the adhesive performance to the substrate with almost no impact on the other perfor-mances of the agent.

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references

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