设计合成了一种新的乙烯基荧光功能单体邻(2-甲基)丙烯酰氧基-苯甲醛缩氨基硫脲(ScMA),经1H NMR(核磁共振氢谱)证实了它的结构和组成.并用此单体与N-乙烯基吡咯烷酮(NVP)通过自由基聚合制备了荧光共聚物PVP-ScMAⅠ、PVP-ScMAⅡ和PVP-ScMAⅢ.实验结果表明,在碱性条件下,聚合物的荧光强度对pH的变化非常敏感;而在中性及酸性条件下,对pH的变化几乎没有响应
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