将杂萘联苯聚芳醚酮(PPEK)经硼氢化钠还原、环氧基三甲氧基硅烷改性后,合成了侧链含有硅氧烷官能团聚芳醚酮,研究了其在玻璃基底上的自组装行为,并用红外、固体29Si-NMR谱、原子力显微等对薄膜进行了表征.结果表明,聚芳醚酮的自组装过程在室温下1h内即可完成.与短链分子自组装膜相比,自组装聚芳醚酮膜具有良好的减摩抗磨性能,当载荷为100 mN时自组装薄膜的稳定摩擦系数为0.1左右,且摩擦系数随着滑动速度的增加而减小.
A method for chemically attaching ultra-thin polymer films through the self-assembly of side chain polymers containing silane is provided in this article.Side chain trimethoxysilane functionaiized poly(phthalazinone ether ketone) (PPEK) was prepared and characterized by FTIR,29Si-NMR.The self-assembly behavior on the glass substrate of the obtained polymer films were investigated by measuring the water contact angle.The results show that the film formation can be completed in 1 h.The nanoscale morphologies of the films were investigated by atomic force microscopy (AFM).The friction coefficients of self-assembled polymer films against steel ball at a load of 100 mN are about 0.1 which is much lower than that for the bare glass substrate in the same experiment conditions (friction coefficient of bare glass is about 0.8).
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