一步法制备蒙脱土-石墨烯协同增强聚乙烯醇复合材料

韩哓芳; 齐栋栋; 张玲; 李春忠

doi:10.3724/SP.J.1105.2014.13214

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一步法制备蒙脱土-石墨烯协同增强聚乙烯醇复合材料

研究论文 | 更新时间：2021-03-19

- 一步法制备蒙脱土-石墨烯协同增强聚乙烯醇复合材料
- Synergistic Effect of Hybrid Montmorillonite-reduced Graphene Oxide as Dual Filler for Improving the Mechanical Properties of PVA Composites by a One-step Procedure
- 高分子学报 2014年第2期页码：218-225
- 作者机构：
  
  华东理工大学超细材料制备与应用教育部重点实验室,上海,200237
- 作者简介：
- 基金信息：
- DOI：10.3724/SP.J.1105.2014.13214
  中图分类号：
- 纸质出版日期：2014-2-20，
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韩哓芳, 齐栋栋, 张玲, 李春忠. 一步法制备蒙脱土-石墨烯协同增强聚乙烯醇复合材料[J]. 高分子学报, 2014,(2):218-225.

Xiao-fang Han, Dong-dong Qi, Ling Zhang, Chun-zhong Li. Synergistic Effect of Hybrid Montmorillonite-reduced Graphene Oxide as Dual Filler for Improving the Mechanical Properties of PVA Composites by a One-step Procedure[J]. Acta Polymerica Sinica, 2014,(2):218-225.
韩哓芳, 齐栋栋, 张玲, 李春忠. 一步法制备蒙脱土-石墨烯协同增强聚乙烯醇复合材料[J]. 高分子学报, 2014,(2):218-225. DOI： 10.3724/SP.J.1105.2014.13214.

Xiao-fang Han, Dong-dong Qi, Ling Zhang, Chun-zhong Li. Synergistic Effect of Hybrid Montmorillonite-reduced Graphene Oxide as Dual Filler for Improving the Mechanical Properties of PVA Composites by a One-step Procedure[J]. Acta Polymerica Sinica, 2014,(2):218-225. DOI： 10.3724/SP.J.1105.2014.13214.

摘要

以蒙脱土（MMT）和石墨烯（rGO）为填料，一步法制备了MMT-rGO/PVA纳米复合材料，并研究了不同MMT/rGO比例对PVA复合膜力学性能的影响.结果表明，剥离的MMT片层能够有效阻止石墨烯在被还原过程中的团聚.MMT-rGO二元填料与PVA间形成氢键，极大地改善了填料与聚合物间的界面结合，能够协同提高PVA复合膜的力学性能.1 wt% MMT-GE（2：1）/PVA复合材料的拉伸强度和杨氏模量最高，分别为85.1 MPa和1627.8 MPa，比纯PVA分别提高了46%和62%.此方法为制备高性能聚合物复合材料提供了有效的途径.

Abstract

Exfoliated montmorillonite (MMT) and reduced graphene oxide(rGO) hybrids reinforced poly-(vinyl alcohol) (PVA) nanocomposites were prepared via a one-step method. The reduction of graphene oxide (GO) was directly performed in the presence of exfoliated MMT sheets

which effectively prevented the restack of graphene sheets in PVA aqueous solution. The results showed that the interfacial interaction between MMT-rGO hybrids and PVA matrix can be significantly improved by hydrogen bonds. The incorporation of MMT-rGO hybrids into PVA resulted in greatly enhanced tensile properties due to the well dispersion and strong interfacial interaction

which were higher than those of PVA nanocomposites with MMT or rGO individually. The influence of the ratio between MMT and rGO was also investigated. The tensile strength and Young's modulus of the 1 wt% MMT-rGO(2:1)/PVA composites are 85.1 MPa and 1627.8 MPa

respectively

which increased by 46% and 62% compared to those of pure PVA films. The method developed in this study makes an effective way to fabricate hybrid reinforcements for the preparation of high-performance polymer composites.

关键词

聚乙烯醇蒙脱土-石墨烯协同效应力学性能

Keywords

PVAMMT-rGOSynergistic effectMechanical properties

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