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Study on Synthesis and Performance of Polyimides Containing Metallophthalocyanine

Author: ZuoHaoRan
Tutor: LiuDaJun
School: Changchun University of Science and Technology
Course: Inorganic Chemistry
Keywords: Polyimide film Phthalocyanine Glass transition temperature Optical limiting
CLC: O634
Type: Master's thesis
Year: 2013
Downloads: 1
Quote: 0
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Abstract


Phthalocyanine compounds are a kind of conjugated macrocyclic compounds with special structure and unique properties, which have been arousing increasing interest in the past few decades due to their unique properties such as chemical stability, thermal resistance, synthetic versatility and biocompatibility. The optical performance of phthalocyanine compounds is the most interesting property, which can be tailored by modifying their molecular structure. However, self-aggregation phenomenon of small molecule phthalocyanine seriously influenced their optical properties. Polyamide has a series of superior properties, such as good mechanical and thermal properties, excellent resistance to chemical solvent and good electric performance, etc. Phthalocyanine molecules were introduced into the molecular structure of polyimide, phthalocyanine functionalized polyimide can not only prevent from self-aggregation, keep optical properties of phthalocyanine compounds but also utilized the properties of polyimide film.In this dissertation, using3,3’,4,4’-biphenyl tetracarboxylic diandhydride as diandhydride monomer,1,4-bis(4-aminophenoxy)benzene and tetra-amide metallophthalocyanine as diamine monomer, a series of phthalocyanine functionalized polyimide films were prepared by polycondensation of diandhydride and diamine. The performances of the polyimide films with different content of Phthalocyanine containing the same metallophthalocyanine were compared.The molecular structures of the prepared polyimide film polymers were identified by fourier transform infrared (FT-IR) spectroscopy and ultraviolet-visible (UV-vis) spectroscopy. The glass transition temperature of the polyimide samples was about250℃by differential scanning calorimetry measurement. By Z-scan and optical limiting measurement, nonlinear optical properties and optical limiting characteristics of the metalloPhthalocyanine functionalized polyimide film samples were analyzed. About

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CLC: > Mathematical sciences and chemical > Chemistry > Polymer chemistry ( polymer ) > Elements of the organic polymer
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