Sliding wear performance of polyamide 6–clay nanocomposites in water
Sliding wear performance of polyamide 6–clay nanocomposites in water
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DOI：
10.1016/j.compscitech.2006.09.004
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发表时间：
2007-03
影响因子：
9.1
通讯作者：
G. Srinath;R. Gnanamoorthy
中科院分区：
文献类型：
--
作者：
G. Srinath;R. Gnanamoorthy
聚酰胺6（PA6）粘土纳米复合材料是一类新型的特种聚合物，在干摩擦条件下表现出良好的摩擦学性能。在食品和化工行业中，高分子材料因其优良的化学惰性而被广泛应用于机械零件中。水作为一种广泛使用的溶剂，往往与机器元件接触，并且可以充当润滑剂或污染物。聚合物与水的相互作用、表面润湿性等诸多因素，对聚合物在水性条件下的摩擦和磨损起主要作用。研究了尼龙6粘土纳米复合材料在水中的滑动磨损性能。粘土的加入影响纳米复合材料的结晶度，这反过来又影响塑化。水对表面的塑化会导致磨损增加并降低摩擦系数。
Polyamide 6 (PA6) clay nanocomposites, a new class of specialty polymer, shows improved tribological properties under dry sliding conditions. In food and chemical industry, the polymeric materials are widely used in the machine elements due its excellent chemical inertness. Water, being a widely used solvent, tends to have contact with the machine elements and can either act as a lubricant or as a contaminant. Many factors such as the interaction of polymer with water, surface wettability, etc., play a major role on the friction and wear of polymers in aqueous conditions. This work reports the sliding wear performance of PA6 clay nanocomposites in water. Addition of clay affects the crystallinity of the nanocomposites, which in turn affects the plasticization. Plasticization of the surface by water causes increase in wear and decreases the coefficient of friction.