Research on Copper Phthalocyanine Pigments (Ⅱ) The Rate and Mechanism of Crystal Phase Change of Copper Phthalocyanine in Organic Solvents

庄莆; 陈彬; 赵一星

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Research on Copper Phthalocyanine Pigments (Ⅱ) The Rate and Mechanism of Crystal Phase Change of Copper Phthalocyanine in Organic Solvents

更新时间：2025-12-16

- Research on Copper Phthalocyanine Pigments (Ⅱ) The Rate and Mechanism of Crystal Phase Change of Copper Phthalocyanine in Organic Solvents
- CIESC Journal Issue 4, (1986)
- 作者机构：
  
  华东化工学院,华东化工学院,华东化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 1986，
  
  Published：25 December 1986
- 稿件说明：
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庄莆, 陈彬, 赵一星. Research on Copper Phthalocyanine Pigments (Ⅱ) The Rate and Mechanism of Crystal Phase Change of Copper Phthalocyanine in Organic Solvents[J]. CIESC Journal, 1986, (4).
DOI：

庄莆, 陈彬, 赵一星. Research on Copper Phthalocyanine Pigments (Ⅱ) The Rate and Mechanism of Crystal Phase Change of Copper Phthalocyanine in Organic Solvents[J]. CIESC Journal, 1986, (4). DOI：

摘要

本文对α-铜酞菁在甲苯中的晶相转变速度同温度、时间的关系

做了实验性的研究比较

并计算出在甲苯中的活化能E为60.2kJ/mol.对α-铜酞菁在各种不同溶剂中的晶相转变速度

做了比较试验

结果表明

α-铜酞菁在溶剂中的晶相转变速度

主要决定因素是它在溶剂中的溶解度.α-铜酞菁在溶剂中的溶解度可以直接用分光光度计进行测定.本文还指出:α-铜酞菁在那些难以溶解的溶剂中转变为β-铜酞菁时对Ostwald结晶生长并无重要影响.

Abstract

The influence of temperature and duration of treatment of α-Copper Phthalocyanine in toluene was investigated experimentally

and the activation energy E in toluene was calculated to be 60.2 kJ/mol. A comparative study of different types of solvents on the rate of crystal phase transformation of α-Copper Phthalocyanine was carried out

and it was concluded that the solubility of Copper Phthalocyanine played a decisive role in the phasetransformation. The solubilities of α-Copper Phthalocyanine in different solvents could be estimated through the characteristic absorption peaks by means of the photo-electric spectrometer. It was also pointed out that the phase conversion process of α- to β-Copper Phthalocyanine pigment in those solvents where α-phase dissolves only with difficulty

is not related to Ostwald crystal growth.

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