Highly flexible and stretchable thermally conductive composite film by polyurethane supported 3D networks of boron nitride

2017 ◽  
Vol 152 ◽  
pp. 94-100 ◽  
Author(s):  
Hye-Jin Hong ◽  
So Mang Kwan ◽  
Dong Su Lee ◽  
Seung Min Kim ◽  
Yun Ho Kim ◽  
...  
2021 ◽  
Vol 20 ◽  
pp. 229-233
Author(s):  
Mei Liu ◽  
Kai Cheng ◽  
Xiangzheng Qin ◽  
Zhenzhong Wei ◽  
Yu Peng ◽  
...  

2010 ◽  
Vol 20 (14) ◽  
pp. 2749 ◽  
Author(s):  
Kimiyasu Sato ◽  
Hitomi Horibe ◽  
Takashi Shirai ◽  
Yuji Hotta ◽  
Hiromi Nakano ◽  
...  

Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 379
Author(s):  
Seonmin Lee ◽  
Jooheon Kim

Aggregated boron nitride (ABN) is advantageous for increasing the packing and thermal conductivity of the matrix in composite materials, but can deteriorate the mechanical properties by breaking during processing. In addition, there are few studies on the use of Ti3C2 MXene as thermally conductive fillers. Herein, the development of a novel composite film is described. It incorporates MXene and ABN into poly(vinyl alcohol) (PVA) to achieve a high thermal conductivity. Polysilazane (PSZ)-coated ABN formed a heat conduction path in the composite film, and MXene supported it to further improve the thermal conductivity. The prepared polymer composite film is shown to provide through-plane and in-plane thermal conductivities of 1.51 and 4.28 W/mK at total filler contents of 44 wt.%. The composite film is also shown to exhibit a tensile strength of 11.96 MPa, which is much greater than that without MXene. Thus, it demonstrates that incorporating MXene as a thermally conductive filler can enhance the thermal and mechanical properties of composite films.


2013 ◽  
Vol 699 ◽  
pp. 513-518 ◽  
Author(s):  
Yu Kitamura ◽  
Hiroaki Tone ◽  
Michihiko Nakano ◽  
Junya Suehiro

Application of high electric field is effective for the alignment of carbon nanotubes (CNTs) in a nanocomposite film. The conventionally used one pair of parallel plate electrode is not applicable to large-sized nanocomposite fabrication due to limited output voltage of high voltage source. We have proposed a new method using parallel array electrode system to prepare large-scale conductive composite film containing aligned CNTs. In the electrode system, the electric field generated by an array of interdigitated parallel wire electrodes was applied to the CNTs by using an electric field averaging scheme. The array electrode system made a large-scale (15 × 15 cm2) composite film containing uniformly aligned CNTs. In this study, we investigated the relationship between weight fraction of the CNTs and electrical conductivity of the composite film. Measurement of the surface electric potential of the composite film after corona discharge exposure revealed that the film with an electrical conductivity increased by electric field-induced CNTs alignment could serve as an antistatic film.


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