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Pyrolysis of Complexes of Metallosulphophthalocyanines with Chitosan for Obtaining Graphite-Like Structures
Journal of Inorganic and Organometallic Polymers and Materials ( IF 4 ) Pub Date : 2021-08-06 , DOI: 10.1007/s10904-021-02079-x
Natalia Sh. Lebedeva 1 , Sabir S. Guseinov 1 , Elena S. Yurina 1 , Yury A. Gubarev 1 , Anatoly I. V’yugin 1
Affiliation  

The pyrolysis of chitosan and its polymeric complexes with metal phthalocyanines was studied by thermochemical and spectral methods. At all stages of thermal degradation, the decomposition products of chitosan and polymer complexes with metal phthalocyanines were determined by the mass spectral method, the chemistry of the process was proposed. The pyrolysis of chitosan and its polymer complexes with metal sulphophthalocyanines leads to the formation of carbonizates with a wide variety of graphite-like structures with different contents of polyconjugated carbon–carbon bonds, the presence of which was confirmed by IR spectroscopy. It was shown that the introduction of copper(II)tetrasulphophthalocyanine into the composition of the polymer complex with chitosan results in an increase in the content of aliphatic structures in carbonizates, and the introduction of cobalt(II)tetrasulphophthalocyanine leads to aromatic compounds content increase. The possibility of changing the structures of chitosan carbonizates to obtain graphite-like structures by complexation with metal phthalocyanines has been shown.



中文翻译:

金属硫酞菁与壳聚糖配合物的热解以获得类石墨结构

采用热化学和光谱方法研究了壳聚糖及其与金属酞菁的聚合物配合物的热解。在热降解的各个阶段,通过质谱法测定壳聚糖和聚合物与金属酞菁配合物的分解产物,并提出了该过程的化学性质。壳聚糖及其与金属硫酞菁的聚合物配合物的热解导致形成具有多种石墨状结构的碳化物,其多共轭碳-碳键含量不同,红外光谱证实了其存在。结果表明,将铜(II)四硫代酞菁引入具有壳聚糖的聚合物复合物的组合物中导致碳化物中脂肪族结构的含量增加,钴(II)四硫酞菁的引入导致芳族化合物含量增加。已经显示了通过与金属酞菁络合来改变壳聚糖碳化物的结构以获得类石墨结构的可能性。

更新日期:2021-08-09
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