A New Method for Estimating the Content of Vinyl Acetate in Ethylene-Vinyl Acetate Copolymer

被引：16

作者：

Izutsu, Tomoyuki ^{[1
]}

Odaka, Daisuke ^{[1
]}

Komatsu, Marina ^{[1
]}

Ohki, Yoshimichi ^{[1
,2
]}

Mizuno, Maya ^{[3
]}

Nakamura, Yoshiaki ^{[4
]}

Chiwata, Naofumi ^{[4
]}

机构：

[1] Waseda Univ, Dept Elect Engn & Biosci, Shinjuku Ku, Tokyo 1698555, Japan

[2] Waseda Univ, Res Inst Mat Sci & Technol, Shinjuku Ku, Tokyo 1698555, Japan

[3] Natl Inst Informat & Commun Technol, Appl Electromagnet Res Inst, Koganei, Tokyo 1848795, Japan

[4] Hitachi Met, Cable Mat Co, Hitachi, Ibaraki 3191414, Japan

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2016年 / 23卷 / 03期

基金：

日本学术振兴会;

关键词：

Dielectric materials; infrared spectroscopy; ISO; optical spectroscopy; TERAHERTZ SPECTROSCOPY; ABSORPTION; LATTICE; SPECTRA; POLYETHYLENE;

D O I：

10.1109/TDEI.2015.005546

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new method for estimating the content of vinyl acetate (VA) in ethylene-vinyl acetate copolymer (EVA) is proposed. It is a kind of optical absorption spectroscopy in a frequency range from 0.5 to 21.0 THz. Comparison of absorption spectra among sheets of EVA with differing contents of VA from 12 to 60% by weight and a sheet of low density polyethylene containing no VA revealed that the EVA sheets exhibit relatively sharp absorption at 2.5, 6.7, and 10.5 THz and rather broad absorption at 11 to 17 THz and 17 to 20 THz. All these absorption intensities are in proportion to the content of VA, up to certain contents, which enables us to estimate the content of VA in EVA quantitatively. Among them, the absorption at 2.5 THz measured by THz time-domain spectroscopy shows the best accuracy.

引用

页码：1260 / 1265

页数：6

共 50 条

[1] Terahertz and Far-infrared Spectroscopic Estimation of Vinyl Acetate Content in Ethylene-Vinyl Acetate Copolymer
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