Electrical properties of biodegradable polylactic acid film

被引：49
|
作者：
Nakagawa, T [1 ]
Nakiri, T
Hosoya, R
Tajitsu, Y
机构：
[1] Kansai Elect Power Co Inc, Amagasaki, Hyogo 6610974, Japan
[2] Kansai Tech Co Inc, Osaka 5520013, Japan
[3] Yamagata Univ, Dept Polymer Sci & Engn, Yamagata 9928510, Japan
[4] Kansai Univ, Grad Sch Engn, Osaka 5648680, Japan
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2004年 / 40卷 / 04期
关键词：
biodegradable polymer; electrical insulation characteristics; film; polylactic acid (PLA);
D O I：
10.1109/TIA.2004.830751
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We measured the basic electrical insulation characteristic of biodegradable polylactic acid (PLA), and the following results were obtained. The volume resistivity, dielectric constant, and dielectric loss tangent measured at room temperature were almost the same as those of crosslinked,polyethylene (XLPE) currently used as insulating material for cables and electric wires. The mean impulse breakdown strength of PLA was about 1.3 times that of XLPE. Also, space charge accumulation in PLA and XLPE was measured. The amount of space charge accumulation in PLA was one-half that in XLPE when dc voltage was applied for a short time.
引用
收藏
页码：1020 / 1024
页数：5
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