双壳结构绿色电泳粒子的制备及其应用
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国家自然科学基金项目(面上项目,重点项目,重大项目)


Preparation of Double-shell Structure Green Electrophoretic Particles and Its Application in Electronic Ink
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The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    采用反相微乳液-表面溶剂聚合法制备了双壳结构的绿色电泳粒子(PIB/CT/S)。该电泳粒子以二氧化硅球(S)为基体,以绿色钛酸钴(CoTiO3)为第一层包覆物,制备了绿色纳米粒子(CT/S),CT/S具有良好的球形结构,平均直径为191.2 nm,粒子密度2.5644 g/cm3。为进一步降低粒子密度,以离子液体聚合物--聚[1-乙烯基-3-十二烷基]咪唑溴(PIB)为第二层包覆物包覆CT/S,得到双壳结构的绿色电泳粒子(PIB/CT/S),密度为1.7905 g/cm3,在电泳液四氯乙烯(密度为1.623 g/cm3)中具有优异的疏水性和分散稳定性,制备的简易电泳显示器的响应时间为165 ms,明显优于目前报导的绿色电泳显示的响应时间。

    Abstract:

    Double-shell structure green electrophoretic particles (PIB/CT/S) were prepared through a sol-gel process in reverse microemulsion combined with surface solvent polymerization. The green nanoparticles (CT/S) were prepared by using silica spheres (S) as the matrix and CoTiO3 as the first coating. CT/S had a good spherical structure, with an average diameter of 191.2 nm and a particle density of 2.5644 g/cm3. In order to reduce the particle density, ionic liquid polymer poly [1-vinyl-3-dodecyl] imidazolium bromide (PIB) was used as the second coating to coat CT/S to obtain bivalve green electrophoretic particles (PIB/CT/S), 1.7905 g/cm3 and had excellent hydrophobicity and dispersion stability in the electrophoretic solution tetrachloroethylene (1. 623 g/cm3). The response time of the simple electrophoretic display was 165 ms which was significantly better than that of the green electrophoretic display reported at present.

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胡月,张亚平,孟舒献,冯亚青.双壳结构绿色电泳粒子的制备及其应用[J].精细化工,2021,38(11):

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  • 收稿日期:2021-04-22
  • 最后修改日期:2021-08-09
  • 录用日期:2021-08-10
  • 在线发布日期: 2021-10-08
  • 出版日期: