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Citation: LI Xiang-Qing, Deng Jun, WANG Xing-Qiao, GAO Fei-Fei. Synthesis and Characterization of Schiff-base Porphyrin Polymer with Network Nanostructure[J]. Chinese Journal of Applied Chemistry, ;2003, 20(1): 15-18. shu

Synthesis and Characterization of Schiff-base Porphyrin Polymer with Network Nanostructure

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a College of Chemistry, Jilin University, Changchun 130023;
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b School of Chemistry & Pharmaceutics, East China University of Science and Technology, Shanghai;
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c Daqing Oil Field Architecture Material Manufacture and Installation Co., Daqing

Corresponding author: WANG Xing-Qiao,
Received Date: 1 April 2002
Available Online: 16 October 2002
Fund Project: 国家自然科学基金资助(20071014)项目 (20071014)

A new type of Schiff-base porphyrin polymer with network nanostructure was synthesized using tetra(4-aminophenyl) porphyrin(TAPP) as matrix and glutaraldehyde as a bridging compound. The reaction mixture was refluxed in a Soxlet extractor until the eluents became colorless. The UV spectral bands of the chloroform extracts and N,N-dimethylformamide extract have 3~5 nm blue shifts as compared to that of the TAPP. Compared with the TAPP, a new absorbance band at 1687 cm^-1 was observed in the infrared spectrum of the product owing to C=N contractive vibration. The polymerization degree of the Schiff-base porphyrin was estimated to be 15 by quantitative infrared-analysis of the absorbance ratio of the end groups in the polymer and the monomer. The TEM results indicated that the porphyrin polymer has network structure with an average distance of 4.1 nm between porphyrin molecules, close to the estimated bond length(3.9 nm).
- Schiff-base,
- porphyrin polymer,
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