Electrical, thermal and mechanical properties of iodine-doped highly elongated ultrahigh molecular weight polyethylene films filled with multiwalled carbon nanotubes

被引：0
|
作者：
Yuezhen, Bin [1 ]
Qingyun, Chen [1 ]
Tashiro, Kohji [1 ]
Matsuo, Masaru [1 ]
机构：
[1] Nara Womens Univ, Grad Sch Humanities & Sci, Nara 6308263, Japan
来源：
PROCEEDINGS OF 2006 CHINA INTERNATIONAL WOOL TEXTILE CONFERENCE & IWTO WOOL FORUM | 2006年
关键词：
ultrahigh molecular weight polyethylene; multiwalled carbon nanotubes; electrical conductivity; mechanical property;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
Highly elongated ultrahigh molecular weight polyethylene (UHMWPE) films filled with multiwalled carbon nanatubes (MWNTs) prepared by gelation/crystallization from solution, were doped by iodine. The electrical conductivity of iodine-doped MWNTs-UHMWPE film was about two to four orders of magnitude higher than that of original films, and the conductivity became stable and orderly in the temperature range of 25 degrees C to 150 degrees C after iodine-doping. Raman spectrum results indicated that the doped iodine as (I-5(-)) existed in the drawn MWNTs-UHMWPE film, which leaded to an increase in the electrical conductivity. The iodine-doping caused the decrease in the crystallinity of UHMWPE, which is confirmed by differential scanning calorimetry. The storage modulus of the doped film was still kept as high as that of the original film. At the room temperature, the storage modulus of the iodine-doped film reached 42GPa.
引用
收藏
页码：557 / 564
页数：8
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