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Crystal Forms and Stability of CuPc Pigments

Chou Chunlung, Yang Hungmin and Wang Renzhi (Tianjin University, Tianjin)   

  • Online:1988-12-25 Published:1988-12-25

铜酞菁颜料晶型及其稳定性的研究

周春隆,杨鸿敏,王任之   

  1. 天津大学,天津大学,天津大学 天津 ,天津 ,天津

Abstract: In this article, the stability of four polymorphic modifications of copper phthalocyanine(α,β-,ε- and crystallization-resistant α-CuPe) in different organ- ic solvents and aqueous mediums are studied. The transformation and stability of the four crystalline powder samples in different atmospheres (N2, air, ammonia and HCl gas) are studied by X-ray diffractometry. The critical temperature and the initiation of crystal transformation from α to β form are determined.

摘要: 本文研究了a-晶型、β-晶型、ε-晶型及对溶剂稳定的a-晶型铜酞菁颜料在数种不同类型有机溶剂、水介质中的稳定性;研究了上述四种不同的晶型铜酞菁粉末试样在不同的气相介质(空气、氮气、氨气及盐酸气)中加热条件下晶型转变的临界温度及初始时间,并对试样进行了x-射线衍射分析.