Abstract:
<正>光控流变体是继电流变体和磁流变体之后第三类重要的智能流体。本文用偶氮苯-4-苯甲酸钠(AZONa)、疏水改性聚丙烯酸钠(HMPANa)以及十六烷基三甲基溴化铵(CTAB)组成混合水溶液体系,利用AZONa的光响应性,调控混合体系的流变性质。溶液的零剪切粘度在光照前后可产生近4个数量级的变化(Fig.1a)。紫外光谱表明,AZONa分子在光照前后发生了构型转变,由光照前的
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Year: 2013
Language: Chinese
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