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通过混合3D POSS改性氧化石墨烯增强制备新型不饱和聚酯纳米复合材料：电工应用前景

Novel Unsaturated Polyester Nanocomposites via Hybrid 3D POSS-Modified Graphene Oxide Reinforcement: Electro-Technical Application Perspective.

作者信息

Divakaran Nidhin, Kale Manoj B, Senthil T, Mubarak Suhail, Dhamodharan Duraisami, Wu Lixin, Wang Jianlei

机构信息

CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.

University of Chinese Academy of Sciences, Beijing 100049, China.

出版信息

Nanomaterials (Basel). 2020 Feb 3;10(2):260. doi: 10.3390/nano10020260.

DOI:10.3390/nano10020260
PMID:32028588
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7075121/
Abstract

The latest trends in technologies has shifted the focus to developing innovative methods for comprehensive property enhancement of the polymer composites with facile and undemanding experimental techniques. This work reports an elementary technique to fabricate high-performance unsaturated polyester-based nanocomposites. It focuses on the interactive effect of polyhedral oligomeric silsesquioxanes (POSS)-functionalized graphene oxide (GO) within the unsaturated polymermatrix. The hybrid framework of POSS-functionalized graphene oxide has been configured via peptide bonding between the aminopropyl isobutyl POSS and graphene oxide. The synergistic effect of POSS and graphene oxide paved the way for a mechanism to inculcate a hybrid framework within the unsaturated polyester (UP) via in situ polymerization to develop UP/GO-POSS nanocomposites. The surface-appended POSS within the graphene oxide boosted its dispersion in the UP matrix, furnishing an enhancement in tensile strength of the UP/GO-POSS composites by 61.9%, thermal decomposition temperature (10% mass loss) by 69.8 °C and electrical conductivity by 10 S/m, in contrast to pure UP. In particular, the homogenous influence of the POSS-modified GO could be vindicated in the surging of the limiting oxygen index (%) in the as-prepared nanocomposites. The inclusive property amelioration vindicates the use of fabricated nanocomposites as high-performance nanomaterials in electrotechnical applications.

摘要

技术的最新趋势已将重点转向开发创新方法，以通过简便且要求不高的实验技术全面提升聚合物复合材料的性能。这项工作报道了一种制备高性能不饱和聚酯基纳米复合材料的基本技术。它聚焦于多面体低聚倍半硅氧烷（POSS）功能化氧化石墨烯（GO）在不饱和聚合物基体中的相互作用效应。POSS功能化氧化石墨烯的杂化框架是通过氨丙基异丁基POSS与氧化石墨烯之间的肽键构建而成的。POSS和氧化石墨烯的协同效应为通过原位聚合在不饱和聚酯（UP）中引入杂化框架以制备UP/GO-POSS纳米复合材料的机制铺平了道路。氧化石墨烯中表面附着的POSS提高了其在UP基体中的分散性，与纯UP相比，UP/GO-POSS复合材料的拉伸强度提高了61.9%，热分解温度（质量损失10%）提高了69.8℃，电导率提高到10 S/m。特别是，POSS改性GO的均匀影响可以在制备的纳米复合材料的极限氧指数（%）的提高中得到证实。全面的性能改善证明了所制备的纳米复合材料可作为高性能纳米材料用于电工应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/465d2e49e5e4/nanomaterials-10-00260-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/b22f16f85d2c/nanomaterials-10-00260-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/244fdcfa5c30/nanomaterials-10-00260-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/87e0bd9b9b9a/nanomaterials-10-00260-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/dc0a82ca602a/nanomaterials-10-00260-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/8de0f48b4cff/nanomaterials-10-00260-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/465d2e49e5e4/nanomaterials-10-00260-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/3ee88e759c8e/nanomaterials-10-00260-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/0dd7f6070994/nanomaterials-10-00260-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/f05935b69281/nanomaterials-10-00260-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/7ea55c9432f6/nanomaterials-10-00260-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/b22f16f85d2c/nanomaterials-10-00260-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/244fdcfa5c30/nanomaterials-10-00260-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/87e0bd9b9b9a/nanomaterials-10-00260-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/dc0a82ca602a/nanomaterials-10-00260-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/8de0f48b4cff/nanomaterials-10-00260-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/91f692969452/nanomaterials-10-00260-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aed0/7075121/465d2e49e5e4/nanomaterials-10-00260-g013.jpg

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