纺织学报 ›› 2014, Vol. 35 ›› Issue (7): 1-0.

• 纤维材料 •    下一篇

氧化还原法表面改性羊毛的理化性能

徐婕 于鹏美 关晋平 陈国强   

  1. 苏州大学纺织与服装工程学院
  • 收稿日期:2013-05-09 修回日期:2014-01-31 出版日期:2014-07-15 发布日期:2014-07-15
  • 基金资助:

    国家自然科学基金资助项目;江苏省自然科学基金资助项目

Physical and chemical properties of surface modification wool by oxidation reduction method

  • Received:2013-05-09 Revised:2014-01-31 Online:2014-07-15 Published:2014-07-15

摘要: 采用高锰酸钾(KMnO4)-二氧化硫脲(TD)氧化还原法对羊毛织物进行剥鳞片处理。应用扫描电镜(SEM)、X-射线光电子能谱(XPS)和衰减全反射红外光谱(FTIR-ATR)等现代表面分析技术研究剥鳞处理后羊毛织物和剥鳞前羊毛织物表面的化学和物理结构特性。SEM研究结果表明,经剥鳞处理后的羊毛织物表面整体较为光滑,织物边缘的阶梯状结构也不再明显。XPS和FTIR-ATR研究表明,上述氧化还原法使羊毛表面的二硫键氧化断裂和表面类脂物质改性/除去,从而促使剥鳞片后的羊毛织物润湿性能有了显著的提高,且在强力保留、白度、纤维细化等方面也获得良好的效果。但剩炭率、氧指数均比未经剥鳞处理的羊毛织物有所下降,热稳定性下降。

关键词: 羊毛, 鳞片, 化学性能, 物理性能

Abstract: The scales of wool fabric were stripped through potassium permanganate oxidation method and thiourea dioxide reduction method. The physical and chemical properties of wool fabrics before and after treating with potassium permanganate were characterized by scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR/ATR). SEM results showed that the surface of wool fabrics after treating with potassium permanganate is overall relatively smooth and the ladder-shaped structure of the fabric edge are not obvious. XPS and FTIR-ATR results showed that the methods mentioned above can fracture the disulfide-bond on the surface of wool fabrics and modification or removal the lipid substances on the surface. Consequently, the wettability of wool fabrics was effectively promoted after treating with potassium permanganate. In addition, the strength retention, whiteness, fiber thinning of treated wool fabrics was obtained good results. But the char length and limiting oxygen index were both dropped after treating with potassium permanganate, and the thermal stability got worse.

Key words: wool fabrics, scale, chemical properties, physical properties

中图分类号: 

  • TS 102.3
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