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用于多尺度玻璃纤维复合材料中卓越机械性能和自传感性能的碳纳米管增强聚（ε-己内酯）/环氧树脂共混物

Carbon Nanotube Reinforced Poly(ε-caprolactone)/Epoxy Blends for Superior Mechanical and Self-Sensing Performance in Multiscale Glass Fiber Composites.

作者信息

Sánchez-Romate Xoan F, Alvarado Andrés, Jiménez-Suárez Alberto, Prolongo Silvia G

机构信息

Materials Science and Engineering Area, Escuela Superior de Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, Calle Tulipán s/n, Móstoles, 28933 Madrid, Spain.

出版信息

Polymers (Basel). 2021 Sep 18;13(18):3159. doi: 10.3390/polym13183159.

DOI:10.3390/polym13183159
PMID:34578059
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8471913/
Abstract

In this paper, a novel carbon nanotube (CNT) polycaprolactone (PCL), epoxy, and glass fiber (GF) composite is reported. Here, the nanoreinforced composites show a flexural strength increase of around 30%, whereas the interlaminar shear strength increases by 10-15% in comparison to unenhanced samples. This occurs because the addition of the CNTs induces a better PCL/epoxy/GF interaction. Furthermore, the nanoparticles also give novel functionalities to the multiscale composite, such as strain and damage monitoring. Here, the electrical response of the tensile- and compressive-subjected faces was simultaneously measured during flexural tests as well as the transverse conductivity in interlaminar tests, showing an exceptional capability for damage detection. Moreover, it was observed that the electrical sensitivity increases with PCL content due to a higher efficiency of the dispersion process that promotes the creation of a more uniform electrical network.

摘要

本文报道了一种新型的碳纳米管（CNT）、聚己内酯（PCL）、环氧树脂和玻璃纤维（GF）复合材料。在此，与未增强的样品相比，纳米增强复合材料的弯曲强度提高了约30%，而层间剪切强度提高了10 - 15%。这是因为碳纳米管的添加诱导了更好的PCL/环氧树脂/玻璃纤维相互作用。此外，纳米颗粒还赋予了多尺度复合材料新的功能，如应变和损伤监测。在此，在弯曲试验期间同时测量了受拉伸和压缩面的电响应以及层间试验中的横向电导率，显示出卓越的损伤检测能力。此外，观察到由于促进形成更均匀电网络的分散过程效率更高，电灵敏度随PCL含量增加而提高。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/0630e54fbf7f/polymers-13-03159-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/7af19e1ff3c8/polymers-13-03159-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/160fff487bc7/polymers-13-03159-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/a397eeab3d95/polymers-13-03159-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/a638cf5e382b/polymers-13-03159-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/0708602e83d1/polymers-13-03159-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/b169ef2cfeb3/polymers-13-03159-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/44d21169e57a/polymers-13-03159-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/0630e54fbf7f/polymers-13-03159-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/7af19e1ff3c8/polymers-13-03159-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/160fff487bc7/polymers-13-03159-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/a397eeab3d95/polymers-13-03159-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/a638cf5e382b/polymers-13-03159-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/0708602e83d1/polymers-13-03159-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/b169ef2cfeb3/polymers-13-03159-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/44d21169e57a/polymers-13-03159-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35cc/8471913/0630e54fbf7f/polymers-13-03159-g008.jpg

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