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首页> 外文期刊>Journal of Applied Polymer Science >Effects of solvent on structures and properties of electrospun poly(ethylene oxide) nanofibers
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Effects of solvent on structures and properties of electrospun poly(ethylene oxide) nanofibers

机译：溶剂对电纺聚（环氧乙烷）纳米纤维结构与性能的影响

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摘要

Poly(ethylene oxide) (PEO) nanofibers were prepared by electrospinning PEO solution with a mixed solvent of ethanol and deionized water. The results show that the mixed solvent system has noteworthy influences on structures and properties of electrospun PEO nanofibers, including molecular chain orientation, crystallinity degree, surface morphology, fiber diameter, diameter distribution, spinnability, and productivity. With increasing ethanol content in the mixed solvent, wrinkly morphologies appear on the surface of PEO nanofibers due to a high evaporation rate of ethanol during electrospinning process. The dielectric constant, dipole moment, conductivity, density, boiling point, and solubility parameter of the mixed solvent become lower with the ethanol content increasing. Besides, the hydrogen-bonding interactions between PEO and solvents become weaker. As a result, PEO nanofibers with larger diameters, lower molecular chain orientation, and crystallinity degree are obtained. (C) 2017 Wiley Periodicals, Inc.
机译：通过用乙醇和去离子水的混合溶剂静电溶剂制备聚（环氧乙烷）（PEO）纳米纤维。结果表明，混合溶剂系统对电纺成型纳米纤维的结构和性质的影响值得注意，包括分子链取向，结晶度，表面形貌，纤维直径，直径分布，可纺性和生产率。随着混合溶剂中升高的乙醇含量，由于乙醇期间耐电纺合过程中的高蒸发速率，在PEO纳米纤维表面上出现碎片形态。随着乙醇含量的增加，混合溶剂的介电常数，偶极力矩，电导率，密度，沸点和溶解度参数变低。此外，PEO和溶剂之间的氢键相互作用变弱。结果，获得具有较大直径，较低分子链取向和结晶度的PEO纳米纤维。 （c）2017 Wiley期刊，Inc。

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  • 来源
    《Journal of Applied Polymer Science》 |2018年第6期|共10页
  • 作者

    Song Zhe; Chiang Sum Wai; Chu Xiaodong; Du Hongda; Li Jia; Gan Lin; Xu Chengjun; Yao Youwei; He Yanbing; Li Baohua; Kang Feiyu;

  • 作者单位

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

    Tsinghua Univ Guangdong Prov Key Lab Thermal Management Engn &

    Grad Sch Shenzhen Shenzhen 518055 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业（高聚物工业）;
  • 关键词

    crystallization; electrospinning; fibers; synthesis and processing techniques;

    机译：结晶;静电纺丝;纤维;合成和加工技术;

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