Study on Antistatic PET/PTT-CNTs Composites

Hao, Liang; Fang, Xie; Liu, Hui Ru; Xie, Guang Qi

doi:10.4028/www.scientific.net/AMM.217-219.75

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HomeApplied Mechanics and MaterialsAdvanced Materials and Process TechnologyStudy on Antistatic PET/PTT-CNTs Composites

Study on Antistatic PET/PTT-CNTs Composites

Abstract:

The CNTs have been incorporated in PET/PTT matrix and PET/PTT-CNTs composites have been prepared. The CNTs can act an effective nucleating agent in the PET/PTT matrix and the percolation threshold in PET/PTT-CNTs composites is about 6 wt%. SEM graphs indicated that the CNTs are well dispersed in the PET/PTT matrix.

Info:

Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Main Theme:

Advanced Materials and Process Technology

Edited by:

Xianghua Liu, Zhenhua Bai, Yuanhua Shuang, Cunlong Zhou and Jian Shao

Pages:

75-78

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.75

Citation:

L. Hao et al., "Study on Antistatic PET/PTT-CNTs Composites", Applied Mechanics and Materials, Vols. 217-219, pp. 75-78, 2012

Online since:

November 2012

Authors:

Liang Hao, Xie Fang, Hui Ru Liu, Guang Qi Xie

Keywords:

Antistatic, Carbon Nanotube (CN), PET, PTT

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$41.00

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References

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Paper TitlePages

Preparation of EG-g-MWCNTs and Antistatic Poly(Ethylene Terephthalate) Nanocomposites

Authors: Ruo Xi Wang, Hua Wang, Xing You Tian, Qing Yan, Kang Zheng, Lei Wang

Abstract: Antistatic Poly(ethylene terephthalate) (PET) materials had been successfully prepared through solution-blending incorporation of ethylene glycol-graft-Multi-walled carbon nanotubes (EG-g-MWCNTs). MWCNTs were first carboxylated and then esterified with EG to yield EG-g-MWCNTs. The FT-IR spectra, TEM images, Raman spectra, TGA curves and electrical conductivity were investigated, which indicated that the agglomeration degree of MWCNTs has been reduced and the conductivity keeps as high as 4.278 S/cm after the modification of EG. On the other hand, EG-g-MWCNTs dispersed well in EG, which was one of the synthetic monomers for PET, and thus ensured its good compatibility with PET. As a result, the electrical conductivity of PET/EG-g-MWCNTs nanocomposites (0.1 wt%) was seven orders of magnitude higher than pure PET and reached the antistatic level.

1017

Antistatic TPU/PA6 Blends Prepared by Blending Modification

Authors: Ke Juan Chen, Tai Hua He, Tao Wang

Abstract: This research is aimed to achieve TPU-based TPU/PA6 blends which is equipped with both considerable mechanical properties and antistatic performance by blending with different portions of compatibilizer EVA-g-MAH and conductive carbon black with twin screw extruder. Results indicate that, the EVA-g-MAH not only improves the blend’s compatibility but also the mechanical properties. DSC results show that the gap between the glass transition temperatures of TPU and PA6 got shorten after adding EVA-g-MAH. The 70TPU/30PA6/15 EVA-g-MAH has better mechanical properties which are congruent with the findings of the SEM, and when this ratio was blended with different portions of conductive carbon black, their mechanical properties almost retain the same, but the blends obtain the antistatic property eventually. While lowering the production costs, the industrial application scope of TPU is widened especially the fields which have high requirement for antistatic property, such as electronic, medical, automotive, packaging, etc.

Antistatic Poly(Ethylene Terephthalate)/Polyaniline-Coating Multiwalled Carbon Nanotubes Nanocomposites

Authors: Ruo Xi Wang, Hua Wang, Kang Zheng, Xing You Tian

Abstract: A convenient method had been developed for preparing antistatic Poly(ethylene terephthalate)/multiwalled carbon nanotubes (PET/MWCNTs) nanocomposites. Polyaniline (PANI) was employed to coat MWCNTs as interfacial modifier. At first, the PANI-coating MWCNTs (PANI-c-MWCNTs) were prepared via miniemulsion polymerization of aniline at the presence of MWCNTs. The TEM images, FT-IR spectra, UV-Vis spectra and electrical conductivity were investigated, which indicated that the MWCNTs were coated with a conductive PANI ultrathin film while the morphology and electrical property had almost no damage. Then the PANI-c-MWCNTs were added into PET through in-situ polymerization method. The TEM images indicate that PANI-c-MWCNTs could be well dispersed in PET matrix, which had important positive effects on the electrical conductive properties of PET/PANI-c-MWCNTs nanocomposites. The results indicate that the electrical conductivity of PET/1.0 wt% PANI-c-MWCNTs nanocomposites reaches the antistatic level.

553

Preparation and Properties of Polyimide/MWNTs-COOH Antistatic Composites

Authors: Yong Hui Lv, Bao Xiang Deng

Abstract: The acidified multi-walled carbon nanotubes (MWNTs-COOH) was obtained by nitric acid treatment on multi-walled carbon nanotubes (MWNTs).The PI/MWNTs-COOH composite films were synthesized by in situ polymerization. The thermal stability, resistance and mechanical properties of PI/MWNTs-COOH composite were evaluated. The results showed that: the composites maintained a good thermal stability with the addition of the MWNTs-COOH; the resistance of the composite film dropped at first, and rose up later. While the tensile strength increased at first and then decreased. In conclusion, the PI/MWNTs-COOH composite films exhibited better thermal, antistatic and mechanical properties compared with neat PI.

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