Conductive PU/PA6 Nanofiber Web by the Electrospinning Technique

• Main Authors: Chao-Yu Lin, 林昭羽
• Other Authors: Chih-Pong Chang
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/28897965628047538191

碩士 === 中國文化大學 === 化學工程與材料工程學系奈米材料碩士班 === 103 === In this study, electrospinning of nylon 6(Polyamide 6, PA6) and PANI (Polyaniline) as a raw material in a solvent (formic acid) ratio (nylon 15, 17, 19, 21, 23wt%, PANI 5, 7.5, 10wt% ) Flow (0.3mL/hr), the voltage (15kV and 20kV) and collecting different distances (10cm and 15cm) can be carried out research, the results show that the spinning: 15cm Nylon 6 obtained when the ratio of 23wt% with the solvent and the voltage of 20kV collection distance patterns for preferred fibers, fiber diameter variation coefficient is more stable. Then this parameter is added PANI 5, 7.5, 10wt% were prepared by mixing conductive fiber network, but studies have shown that the viscosity of the relationship may be poor spinning effect, so the choice of 21wt% of nylon mixed as solution A, the choice of TPU (Thermoplastic polyurethanes) 20wt% solution B in a 1: 2, 2: 1, prepared conductive manner webs. The results show that with the increase in the viscosity of PA6 solution, the prepared fiber fineness of the more coarse. PA6 at a fixed concentration, low voltage when spun fiber fineness thicker and more irregular structure of the fiber membrane. Conductive fiber network after adding PANI as the concentration increases, at a fixed concentration of nylon and TPU, thus increasing with the increase of the concentration of electrically conductive PANI effect so into the wire is better. Configuring PANI and PA6 Fourier transform infrared spectroscopy (FTIR) was observed amine functional groups found their solution mixed with phenyl are present wave peak values between 1000cm-1 to 1250cm-1 and 1500cm-1 to 1750cm-1 between. With a four-point probe sheet resistance of the conductive Effect analyzer test mode 2, the production of conductive fiber network: 21wr% of PA6 and PANI 5, 7.5, 10wt% of solution A, TPU 20wt% of solution B in a 2: 1 and 1 It found that the conductivity of the conductive fiber web under different content ratio will increase with PANI conductivity gradually rising trend, different proportions of PA6 + PANI conductivity also will increase. Different proportions of PANI electrically conductive webs study found that as the concentration of PANI improved LED bulb illuminates both the extent and amount of current a little improvement.