ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION

ZHANG Zhiying

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ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION

Papers | Updated：2021-06-21

- ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION
- Vol. 11, Issue 2, Pages: 125-132(1993)
- Affiliations：
  
  1. Department of Textile Chemical Engineering, Tianjin Institute of Textile Science and Technology,Tianjin
  2. Tianjin Institute of Textile Science and Technology
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 June 1993
- Accepted：
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[1]张志英.ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION[J].Chinese Journal of Polymer Science,1993,{4}(02):125-132.

ZHANG Zhiying. ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION[J]. 1993, 11(2): 125-132.
[1]张志英.ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION[J].Chinese Journal of Polymer Science,1993,{4}(02):125-132. DOI：

ZHANG Zhiying. ON A DIFFERENTIAL EQUATION FOR KINETICS OF NON- ISOTHERMAL CRYSTALLIZATION[J]. 1993, 11(2): 125-132. DOI：

摘要

<正> A new differential equation was derived from the modified first-order kinetic model to describe the polymer crystallization processes. The crystallization experiments were carried out by means of DSC. Poly （ethylene terephthalate） resins were selected as the samples containing different catalysts. The relationships between the parameters obtained from the known Avrami equation and from one in the present paper were discussed. A method for applying the equation to determine the kinetic parameters from a constant heating and a constant cooling curve was proposed.

Abstract

A new differential equation was derived from the modified first-order kinetic model to describe the polymer crystallization processes. The crystallization experiments were carried out by means of DSC. Poly （ethylene terephthalate） resins were selected as the samples containing different catalysts. The relationships between the parameters obtained from the known Avrami equation and from one in the present paper were discussed. A method for applying the equation to determine the kinetic parameters from a constant heating and a constant cooling curve was proposed.

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