基于压印工艺的聚合物包覆高含量纳米粒子微纳复合薄膜的制备及应用

doi:10.16085/j.issn.1000-6613.2017-1645

化工进展 ›› 2018, Vol. 37 ›› Issue (07): 2720-2726.DOI: 10.16085/j.issn.1000-6613.2017-1645

基于压印工艺的聚合物包覆高含量纳米粒子微纳复合薄膜的制备及应用

蔡安江, 周嘉玮, 叶向东

西安建筑科技大学陕西省纳米材料与技术重点实验室, 陕西西安 710055

收稿日期:2017-08-04 修回日期:2017-12-04 出版日期:2018-07-05 发布日期:2018-07-05
通讯作者: 叶向东,博士,副教授,研究方向为微纳制造工艺及其装备。
作者简介:蔡安江(1965-),男,硕士,教授,博士生导师,研究方向为微纳制造与微纳器件化。E-mail:cai_aj@163.com
基金资助:
国家自然科学基金面上项目（51475352，51475353）及陕西省教育厅服务地方计划项目（17JF011）。

Preparation and application of polymer coated micro-nano composite films with high content nanoparticles based on imprinting process

CAI Anjiang, ZHOU Jiawei, YE Xiangdong

Shaanxi Key Laboratory of Nano Materials and Technology, Xi'an University of Architecture & Technology, Xi'an 710055, Shaanxi, China

Received:2017-08-04 Revised:2017-12-04 Online:2018-07-05 Published:2018-07-05

摘要/Abstract

摘要： 目前将纳米粒子引入到聚合物的方法中，纳米粒子在聚合物中的组分较少。为了制备具有高含量纳米粒子的聚合物基微纳复合结构薄膜，本文提出了一种基于压印工艺的新方法。以聚二甲基硅氧烷（PDMS）为聚合物材料，将SiO₂纳米粒子填充到硅模板的腔体中，通过压印力做功使PDMS完全渗入到硅模板腔体内，从而将SiO₂纳米粒子用PDMS包覆起来，形成了一种具有高含量纳米粒子的微纳复合结构薄膜。通过扫描电镜、光学显微镜和接触角测量仪对压印后所制备薄膜的形貌和接触角进行分析。研究结果表明，采用大占空比的模板有利于聚合物向模板腔体内的填充，适当的聚合物膜厚有利于纳米粒子在聚合物内的均匀分布，纳米粒子的分散性随着聚合物黏度的降低而显著提高。所制备的薄膜具有超疏水特性，薄膜与水的静态接触角达到151°。

关键词: 纳米粒子, 聚合物, 膜, 高含量, 压印, 复合结构

Abstract: The introduction of nanoparticles into polymer with conventional methods could only produce a few nanoparticles in the polymer. In order to prepare micro-nano composite films with high content of nanoparticles, a new method based on imprinting process is proposed. The PDMS is used as the polymer material to fill the cavities of the silicon template by imprint pressure, and the SiO₂ nanoparticles are coated with PDMS to form a micro-nano composite films with high content of nanoparticles. The morphology and contact angle of the prepared films are analyzed by scanning electron microscopy, optical microscope and contact angle measuring instrument, respectively. The results show that the template with large void ratio is favorable for the filling of the polymer, while proper polymer thickness is beneficial for the uniform distribution of the nanoparticles in the polymer. The dispersibility of the nanoparticles is significantly increased with the decrease of polymer viscosity. The prepared film has superhydrophobic properties, and the static contact angle is 151°.

Key words: nanoparticles, polymers, film, high content, imprinting, composite structure

中图分类号:

O484.4

蔡安江, 周嘉玮, 叶向东. 基于压印工艺的聚合物包覆高含量纳米粒子微纳复合薄膜的制备及应用[J]. 化工进展, 2018, 37(07): 2720-2726.

CAI Anjiang, ZHOU Jiawei, YE Xiangdong. Preparation and application of polymer coated micro-nano composite films with high content nanoparticles based on imprinting process[J]. Chemical Industry and Engineering Progress, 2018, 37(07): 2720-2726.

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基于压印工艺的聚合物包覆高含量纳米粒子微纳复合薄膜的制备及应用

Preparation and application of polymer coated micro-nano composite films with high content nanoparticles based on imprinting process

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