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微波辐照增强聚酰亚胺薄膜的力学性能

Enhancement of the Mechanical Properties of Polyimide Film by Microwave Irradiation.

作者信息

Choi Ju-Young, Jin Seung-Won, Kim Dong-Min, Song In-Ho, Nam Kyeong-Nam, Park Hyeong-Joo, Chung Chan-Moon

机构信息

Department of Chemistry, Yonsei University, Wonju, Gangwon-do 26493, Korea.

出版信息

Polymers (Basel). 2019 Mar 12;11(3):477. doi: 10.3390/polym11030477.

DOI:10.3390/polym11030477
PMID:30960461
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6473371/
Abstract

Polyimide films have conventionally been prepared by thermal imidization of poly(amic acid)s (PAAs). Here we report that the improvement of tensile strength while increasing (or maintaining) film flexibility of polyimide films was accomplished by simple microwave (MW) irradiation of the PAAs. This improvement in mechanical properties can be attributed to the increase in molecular weight of the polyimides by MW irradiation. Our results show that the mechanical properties of polyimide films can be improved by MW irradiation, which is a green approach that requires relatively low MW power, very short irradiation time, and no incorporation of any additional inorganic substance.

摘要

传统上，聚酰亚胺薄膜是通过聚（酰胺酸）（PAA）的热亚胺化制备的。在此我们报告，通过对PAA进行简单的微波（MW）辐照，在提高（或保持）聚酰亚胺薄膜柔韧性的同时实现了拉伸强度的提高。这种机械性能的改善可归因于MW辐照使聚酰亚胺的分子量增加。我们的结果表明，MW辐照可以改善聚酰亚胺薄膜的机械性能，这是一种绿色方法，所需的MW功率相对较低，辐照时间非常短，且无需掺入任何额外的无机物质。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/0723ee9d4c4f/polymers-11-00477-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/0e99edbd9d24/polymers-11-00477-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/fd23e297294b/polymers-11-00477-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/e46f07766856/polymers-11-00477-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/3ccb4de54b8a/polymers-11-00477-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/fcea939cebe7/polymers-11-00477-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/6570985529f3/polymers-11-00477-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/0723ee9d4c4f/polymers-11-00477-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/0e99edbd9d24/polymers-11-00477-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/fd23e297294b/polymers-11-00477-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/e46f07766856/polymers-11-00477-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/3ccb4de54b8a/polymers-11-00477-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/fcea939cebe7/polymers-11-00477-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/6570985529f3/polymers-11-00477-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7aa5/6473371/0723ee9d4c4f/polymers-11-00477-g005.jpg

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