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首页> 外文期刊>Indian Journal of Fibre & Textile Research >A novel approach for in situ polymerization of polypyrrole on cotton substrates
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A novel approach for in situ polymerization of polypyrrole on cotton substrates

机译：在棉底物上原位聚合聚吡咯的新方法

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摘要

The present paper reports a novel approach for in situ polymerization of polypyrrole on cotton fabric using conventional wet processing method, i.e. jigger machine which is primarily used for textile fabric dyeing. The addition of oxidant in the polymerization bath is controlled to obtain regular and linear polypyrrole polymer. Cotton fabrics (100%, plain weave) have been treated with pyrrole monomer at three concentrations and three durations of polymerization under low temperature conditions. The resultant polypyrrole coated cotton (PPy-CT) fabrics are characterized for electrical conductivity, morphology and fine structure. The surface resistivity in the range 15 - 5000 ohm/square is achieved on cotton fabrics. Naphthalene-2- sulfonic acid (NSA) as dopant is also studied to observe its effect on the reduction in surface resistivity and atmospheric ageing. The polymerization duration of 3 h is found to be optimum. The conductivity as well as atmospheric stability of NSA-doped PPy-CT fabrics is improved as compared to only Cl" ion dopants.
机译：本文报道了一种新颖的方法，该方法使用传统的湿法加工方法，即主要用于纺织织物染色的跳汰机在棉织物上原位聚合聚吡咯。控制聚合浴中氧化剂的添加以获得规则的和线性的聚吡咯聚合物。棉织物（100％平纹）已在低温条件下用吡咯单体以三种浓度和三种聚合时间进行了处理。所得的聚吡咯涂层的棉（PPy-CT）织物具有导电性，形态和精细结构的特点。在棉织物上可以达到15-5000 ohm / square的表面电阻率。还研究了萘-2-磺酸（NSA）作为掺杂剂，以观察其对降低表面电阻率和大气老化的影响。发现3小时的聚合持续时间是最佳的。与仅Cl-离子掺杂剂相比，NSA掺杂的PPy-CT织物的导电性和大气稳定性得到了改善。

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