Electrical, thermal and mechanical properties of iodine-doped highly elongated ultrahigh molecular weight polyethylene films filled with multiwalled carbon nanotubes
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℃ to 150℃ 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.
ultrahigh molecular weight polyethylene multiwalled carbon nanotubes electrical con-ductivity mechanical property
Bin Yuezhen Chen Qingyun Kohji Tashiro Masaru Matsuo
Graduate School of Humanities and Sciences, Nara Womens University, Nara 630-8263, Japan Department of Future Industry-oriented Basic Science and Matreials, Toyota Technology Institute, Tem
国际会议
2006中国国际毛纺织会议暨IWTO羊毛论坛(2006 China International Wool Textile Conference & IWTO Wool Forum)
西安
英文
557-564
2006-11-19（万方平台首次上网日期，不代表论文的发表时间）