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利用太赫兹时域光谱技术感知湿热老化环氧树脂的吸水性。

Sensing Water Absorption in Hygrothermally Aged Epoxies with Terahertz Time-Domain Spectroscopy.

机构信息

Engineering Department, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, United Kingdom.

Experimental Materials Science, Hexcel Composites Ltd., Ickleton Road, Duxford CB22 4QB, United Kingdom.

出版信息

Anal Chem. 2021 Feb 2;93(4):2449-2455. doi: 10.1021/acs.analchem.0c04453. Epub 2021 Jan 5.

DOI:10.1021/acs.analchem.0c04453
PMID:33401901
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7880525/
Abstract

In the field of non-destructive testing, terahertz sensing has been used to analyze a wide range of materials where the most successful applications have involved materials that are semi-transparent to terahertz radiation. In this work, we demonstrate the sensitivity of terahertz time-domain spectroscopy to quantify water absorption in hygrothermally aged simple and commercial epoxy systems supported by conventional gravimetric analysis.

摘要

在无损检测领域，太赫兹传感技术已被用于分析各种材料，其中最成功的应用涉及对太赫兹辐射半透明的材料。在这项工作中，我们通过常规重量分析法证明了太赫兹时域光谱技术对湿热老化的简单和商用环氧树脂体系中水分吸收的定量检测的灵敏度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/ea8f685a2852/ac0c04453_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/871003dd1a38/ac0c04453_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/8ee5c9cb10ce/ac0c04453_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/072f77071940/ac0c04453_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/ea8f685a2852/ac0c04453_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/871003dd1a38/ac0c04453_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/8ee5c9cb10ce/ac0c04453_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/072f77071940/ac0c04453_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8826/7880525/ea8f685a2852/ac0c04453_0005.jpg

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Industrial Applications of Terahertz Sensing: State of Play.太赫兹传感的工业应用：现状。
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Mechanism of Yellowing: Carbonyl Formation during Hygrothermal Aging in a Common Amine Epoxy.泛黄机理：普通胺类环氧树脂湿热老化过程中羰基的形成
Polymers (Basel). 2018 Sep 13;10(9):1017. doi: 10.3390/polym10091017.
3
Contactless graphene conductivity mapping on a wide range of substrates with terahertz time-domain reflection spectroscopy.利用太赫兹时域反射光谱技术在宽范围衬底上进行无接触式石墨烯电导率测绘。
通过太赫兹脉冲光谱和固体浸没显微镜研究脱细胞牛心包胶原基质的水分吸附
Biomed Opt Express. 2021 Aug 2;12(9):5368-5386. doi: 10.1364/BOE.433216. eCollection 2021 Sep 1.
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Calendering as a direct shaping tool for the continuous production of fixed-dose combination products via co-extrusion.压延作为一种直接成型工具，用于通过共挤出连续生产固定剂量复方产品。
Eur J Pharm Biopharm. 2015 Oct;96:125-31. doi: 10.1016/j.ejpb.2015.07.023. Epub 2015 Jul 29.
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