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Preparation and photoactivity of thermosensitive polymer supported metallophthalocyanine

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Abstract

A novel reactive metallophthalocyanine derivative, zinc tetra(2,4-dichloro-1,3,5-triazine)aminophthalocyanine (Zn-TDTAPc), was prepared and immobilized on poly(N-isopropylacrylamide) (PNIPAAm) by covalent bonding to obtain a thermosensitive polymer (Zn-TDTAPc-g-PNIPAAm). Compared with zinc tetraaminophthalocyanine (Zn-TAPc), Zn-TDTAPc-g-PNIPAAm exhibits excellent solubility in water and in most organic solvents. Furthermore, it has a special thermosensitive property in water and the lower critical solution temperature (LCST) is 34.1°C. It was found that both dissolved and precipitated Zn-TDTAPc-g-PNIPAAm present high photoactivity evidenced by the experiment of photocatalytic degradation of 1, 3-diphenylisobenzofuran (DPBF) in the presence of Zn-TDTAPc-g-PNIPAAm. These properties suggest that it can be used potentially in photodynamic therapy (PDT).

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Authors and Affiliations

  1. Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education of China, Zhejiang Sci-Tech University, Hangzhou, 310018, China

    WenXing Chen, Fan Liu, WangYang Lü, XiaoYuan Shen, YuYuan Yao & MinHong Xu

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  1. WenXing Chen
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  2. Fan Liu
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  3. WangYang Lü
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  4. XiaoYuan Shen
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  5. YuYuan Yao
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  6. MinHong Xu
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Correspondence to WenXing Chen.

Additional information

Supported by the National Natural Science Foundation of China (Grant No. 20574061), the Program for New Century Excellent Talents in University (Grant No. 040559) and the Program for Changjiang Scholars and Innovative Research Team in University (Grant No. 0654)

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Chen, W., Liu, F., Lü, W. et al. Preparation and photoactivity of thermosensitive polymer supported metallophthalocyanine. Sci. China Ser. B-Chem. 51, 570–576 (2008). https://doi.org/10.1007/s11426-008-0048-x

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  • DOI: https://doi.org/10.1007/s11426-008-0048-x

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