Effect of POSS content on the electrical, thermal, mechanical, and wetting properties of electrospun polyacrylonitrile (PAN)/POSS nanofibrous mats

Autor: Mayakrishnan Gopiraman, Myung-Seob Khil, Ja-Lam Gu, Kim Kyu Beom, Ick Soo Kim, Kyung-Hun Song
Rok vydání: 2015
Předmět:
Zdroj: Journal of Experimental Nanoscience. 11:500-511
ISSN: 1745-8099
1745-8080
Popis: Although polyacrylonitrile (PAN) has excellent properties as a precursor of carbon fibre, octa-amic polyhedral oligomeric silsesquioxane (POSS) nanoparticles which are hybrid organic–inorganic materials can be incorporated into PAN to tune up the properties such as the mechanical strength, thermal conductivity, and electronic conductivity for a broad range of potential applications. In this work, PAN with POSS of 1, 3, and 5 wt % based on acrylonitrile weight was prepared by solution polymerisation. The synthesised product was dissolved in dimethyl sulphoxide, followed by electrospinning. After electrospinning, the nanofibrous mats were stabilised at 250 °C for 1 h. The diameter of resulting PAN/POSS nanofibrous mats were less than 1 μm, as confirmed by SEM analysis. The effect of POSS on PAN/POSS nanofibrous mats was studied by SEM, universal testing machine, contact angle measurement, Fourier transform infrared spectroscopy, wide angle X-ray diffraction, differential scanning calorimetry, and th...
Databáze: OpenAIRE