Article
  • Effect of Surface Modification Process Conditions on Properties of Aramid Paper
  • Sha L, Zhao H
  • 아라미드 종이의 특성에 대한 표면 개질 과정 조건의 영향
  • Sha L, Zhao H
Abstract
Surface modification of meta-aramid fibers was performed by phosphoric acid treatment. Surface morphology and element composition of untreated and treated fibers were analyzed by scanning electron microscope (SEM) and Xray photoelectron spectroscopy (XPS). Effects of surface modification on the mechanical strength of aramid papers made from meta-aramid fibers and fibrid were investigated. Surface modification conditions were optimized by response surface analysis (RSA). Results show that phosphoric acid treatment increases the surface roughness and oxygen content of aramid fibers. They improve the interface bonding strength between aramid fibers and fibrid, which improves the tensile strength of aramid papers. The results of response surface analysis indicate that the tensile strength of aramid papers increases by 47.5% and reaches the maximum when meta-aramid fibers are treated with 21.1wt% phosphoric acid solution at 39.3 ℃ for 36.7 min.

Keywords: aramid fiber; phosphoric acid; surface modification; aramid paper; tensile strength.

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2013; 37(2): 196-203

    Published online Mar 25, 2013

  • Received on Oct 24, 2012
  • Accepted on Jan 23, 2013