Facile Preparation of Graphene Film and Sandwiched Flexible Poly(arylene ether nitrile)/Graphene Composite Films with High EMI Shielding Efficiency

2021 ◽  
pp. 106777
Author(s):  
Shuai Zhang ◽  
Hongyi Sun ◽  
Tiange Lan ◽  
Zhongxiang Bai ◽  
Xiaobo Liu
Keyword(s):  
Composite Films ◽  
Graphene Film ◽  
Emi Shielding ◽  
Graphene Composite ◽  
Arylene Ether ◽  
Facile Preparation

scholarly journals Tribo-induced photoluminescent behavior of graphene and YSZ:Er/graphene composite films

RSC Advances ◽  
2018 ◽  
Vol 8 (3) ◽  
pp. 1436-1442 ◽  
Author(s):  
Hongyan Wu ◽  
Ke Huang ◽  
Jianliang Li ◽  
Fan Jiang ◽  
Xingming Zhao ◽  
...  
Keyword(s):  
Surface State ◽  
Composite Films ◽  
Graphene Film ◽  
Photoluminescence Properties ◽  
Graphene Composite ◽  
Novel Method ◽  
Evolving Surface

In the present work, a novel method was developed to study the evolving surface state of graphene film as it is subject to friction, characterized by photoluminescence properties.

Facile preparation of poly(p-phenylene benzobisoxazole)/graphene composite films via one-pot in situ polymerization

Polymer ◽  
2015 ◽  
Vol 71 ◽  
pp. 8-14 ◽  
Author(s):  
Zhen Hu ◽  
Nan Li ◽  
Jun Li ◽  
Chunhua Zhang ◽  
Yuanjun Song ◽  
...  
Keyword(s):  
In Situ Polymerization ◽  
Composite Films ◽  
One Pot ◽  
Graphene Composite ◽  
Facile Preparation

Facile preparation of optically transparent and hydrophobic cellulose nanofibril composite films

2015 ◽  
Vol 77 ◽  
pp. 13-20 ◽  
Author(s):  
Yan Qing ◽  
Zhiyong Cai ◽  
Yiqiang Wu ◽  
Chunhua Yao ◽  
Qinglin Wu ◽  
...  
Keyword(s):  
Composite Films ◽  
Cellulose Nanofibril ◽  
Optically Transparent ◽  
Facile Preparation

Effect of Polymer Matrix in Polymer/trGO Nano-Composite for EMI Shielding Application in Microwave and Infrared Region

2021 ◽  
Vol 875 ◽  
pp. 153-159
Author(s):  
Khadija Zubair ◽  
Muhammad Fayzan Shakir
Keyword(s):  
Composite Films ◽  
Acrylonitrile Butadiene Styrene ◽  
Infrared Region ◽  
Network Analyzer ◽  
Shielding Effectiveness ◽  
Interconnected Network ◽  
Emi Shielding ◽  
Nano Composite ◽  
Reduced Graphene ◽  
Butadiene Styrene

Thermally reduced graphene oxide (trGO) was successfully prepared and confirmed by XRD then dispersed in polystyrene (PS) and Acrylonitrile-Butadiene-Styrene (ABS) polymers and evaluated for EMI shielding in microwave and infrared (IR) region. Thickness of prepared polymer/trGO composite films were 200-250 micron. It was observed that trGO has more compatibility with PS then ABS and dispersed more easily and uniformly in PS than ABS. This effect was also observed in IR shielding as ABS+15trGO have 3% transmission and PS+1% trGO have 1.5% transmission. Maximum 29 dB and 25 dB shielding effectiveness was measured by vector network analyzer (VNA) in microwave region (9-18 GHz) of PS+2% trGO and ABS+2% trGo composite respectively. These results clearly indicating that trGO is more compatible with PS than ABS and form more stable and mature interconnected network structure in PS at lower concentrations.

Electromagnetic interference shielding study in microwave and NIR regions by highly efficient Ag/ZnS and polyaniline-Ag/ZnS particles

2021 ◽  
pp. 089270572110649
Author(s):  
Muhammad Zahid ◽  
HM Fayzan Shakir ◽  
Zulfiqar Ahmad Rehan
Keyword(s):  
Electromagnetic Interference ◽  
Near Infrared ◽  
Oxidative Polymerization ◽  
Composite Films ◽  
Nir Spectroscopy ◽  
Infrared Region ◽  
Nanocomposite Films ◽  
Emi Shielding ◽  
Zns Nanoparticles ◽  
Co Precipitation

The chemical oxidative polymerization and co-precipitation methods were employed for the preparations of polyaniline (PANI) and silver-doped zinc sulfide (ZnS) nanoparticles to be used for electromagnetic interference (EMI) shielding. PVC-based composite films were fabricated by the incorporation of Ag/ZnS and PANI-Ag/ZnS nanoparticles. These nanoparticles were first analyzed by X-ray diffraction and zetasizer for their crystal structure and particle size. Prepared nanocomposite films were then analyzed for various properties like electrical conductivity, transmission in the near-infrared region (700 nm to 2500 nm), and EMI shielding efficiency in the microwave region (0.1 GHz to 20 GHz). These parameters were characterized by DC Conductivity, NIR spectroscopy, and vector network analyzer. It was found that with the addition of the concentration of nanoparticles, both values of conductivity and shielding efficiency improved. The highest attenuation value in 0.1 to 20 GHz reached 52.5 dB in 0.1 to 20 GHz frequency for 20 wt% PANI-Ag/ZnS and < 0.5% transmission was evaluated in the NIR region.

Achieving ultrahigh volumetric performance of graphene composite films by an outer–inner dual space utilizing strategy

2020 ◽  
Vol 8 (19) ◽  
pp. 9661-9669 ◽  
Author(s):  
Cong Huang ◽  
Qunli Tang ◽  
Qiushui Feng ◽  
Yanhua Li ◽  
Yali Xu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Composite Film ◽  
Reduced Graphene Oxide ◽  
Dual Space ◽  
Composite Films ◽  
Oxide Composite ◽  
Graphene Composite ◽  
Reduced Graphene

An outer–inner dual space utilizing strategy is reported for the fabrication of an ultrahigh volumetric performance polydopamine-coated dopamine/reduced graphene oxide composite film.

scholarly journals Polyarylene ether nitrile and boron nitride composites: coating with sulfonated polyarylene ether nitrile

e-Polymers ◽  
2019 ◽  
Vol 19 (1) ◽  
pp. 70-78 ◽  
Author(s):  
Renbo Wei ◽  
Qian Xiao ◽  
Chenhao Zhan ◽  
Yong You ◽  
Xuefei Zhou ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Boron Nitride ◽  
Composite Films ◽  
Solution Casting ◽  
Casting Method ◽  
Polyarylene Ether Nitrile ◽  
Arylene Ether ◽  
Ultrasonic Technology ◽  
Solution Casting Method ◽  
Sulfonated Poly

AbstractBoron nitride (BN) coated with sulfonated poly-arylene ether nitrile (SPEN) (BN@SPEN) was used as additive to enhance the thermal conductivity of polyarylene ether nitrile. BN@SPEN was prepared by coating BN micro-platelets with SPEN through ultrasonic technology combined with the post-treatment bonding process. The prepared BN@SPEN was characterized by FTIR, TGA, SEM and TEM, which confirmed the successful coating of BN micro-platelets. The obtained BN@SPEN was introduced into the PEN matrix to prepare composite films by a solution casting method. The compatibility between BN and PEN matrix was studied by using SEM observation and rheology measurement. Furthermore, thermal conductivity of BN@SPEN/PEN films were carefully characterized. Thermal conductivity of BN@SPEN/PEN films was increased to 0.69 W/(m⋅K) at 20 wt% content of BN@SPEN, having 138% increment comparing with pure PEN.

Sign in / Sign up

Export Citation Format

Share Document