以偏振显微红外光谱方法研究间规聚苯乙烯(sPS)在阳极氧化铝(AAO)模板孔洞内的结晶取向行为.以正己基三甲氧基硅烷修饰AAO模板孔洞表面,使其烷基化,探索表面性质对不同尺寸孔洞内sPS结晶取向的影响.结果表明,sPS在255℃温度下结晶,而且随孔洞尺寸的减小,纳米孔洞内sPS分子链的垂直取向程度均降低,并且相同孔径尺寸下在表面烷基化的孔洞内sPS晶区分子链的垂直取向程度更低.这些现象可归因于分子链与孔壁间相互作用的不同导致孔壁表面对晶核取向的诱导.
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