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Characterization of Polyurethane / Polyhedral Oligomeric Silsesquioxanes (PU/POSS) Composites Fibers by Electrospinning Method |
ZHOU Shengzhi1 SONG Xiaoyan1** CHENG Bowen2 CHENG Guoqing1 CHEN Tianjun1 |
1. College of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300387 2. Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300387 |
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Cite this article:
ZHOU Shengzhi, SONG Xiaoyan, CHENG Bowen, CHENG Guoqing, CHEN Tianjun. Characterization of Polyurethane / Polyhedral Oligomeric Silsesquioxanes (PU/POSS) Composites Fibers by Electrospinning Method. Chinese Journal of Materials Research, 2013, 27(5): 520-525.
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Abstract The effect of applied voltage, collecting distance and extrusion speed on morphology of polyurethane fiber were systematically investigated. Polyurethane/ polyhedral oligomeric silsesquioxanes (PU/POSS) fibers were spun by electrospinning method with the conditions of 8% solution, 6 mL/h extruding speed, 30 kV voltage and 15 cm distance. The effect of POSS on morphology, mechanical and thermal properties of polyurethane fiber was studied. The average diameters of PU/POSS composite fibers increase compared to the pure PU fibers. The onset temperature of decomposition and glass transition temperature of PU/POSS composite fiber respectively increase by 22℃ and 15℃ than pure PU fiber. The mechanical properties of PU/POSS composite fiber was improved compared with pure PU fiber.
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