CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)

BU Haishan; JIN Yimin; HU Jialun; YU Tongyin

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CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)

Papers | Updated：2021-06-21

- CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)
- Vol. 10, Issue 3, Pages: 242-249(1992)
- Affiliations：
  
  1. Department of Material Science, Fudan University,Shanghai
  2. Fudan University
  3. Shanghai
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 September 1992
- Accepted：
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[1]卜海山,金毅敏,胡家伦,于同隐.CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)[J].Chinese Journal of Polymer Science,1992,{4}(03):242-249.

BU Haishan, JIN Yimin, HU Jialun, et al. CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)[J]. 1992, 10(3): 242-249.
[1]卜海山,金毅敏,胡家伦,于同隐.CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)[J].Chinese Journal of Polymer Science,1992,{4}(03):242-249. DOI：

BU Haishan, JIN Yimin, HU Jialun, et al. CRYSTALLIZATION BEHAVIOR OF PURE AND ADDITIVE-CONTAINING POLY (ETHYLENE TEREPHTHALATE)[J]. 1992, 10(3): 242-249. DOI：

摘要

<正> The isothermal crystallization of poly （ethylene terephthalate ）（PET）

which is free of catalyst

stabilizer

oligomer and diethylene glycol （DEG）

was studied by DSC. The crystallization behaviour of pure PET is different from commercial PET and a reasonable explanation is presented. The influences of catalyst

stabilizer

oligomer and DEG on the crystallization of pure PET were examined. It is shown that catalyst （Manganese acetate）and stabilizer （Triphenyl phosphite） result in an increase of the crystallization rate of PET; on the contrary

DEG and oligomer （cyclotetramer） result in a reduction of the crystallization rate. When catalyst and stabilizer coexist together

both of them promote the crystallization at lower temperature

only a smaller effect was found at higher temperature

it is evident that metal phosphite is formed between the catalyst and stabilizer at higher temperature.

Abstract

The isothermal crystallization of poly （ethylene terephthalate ）（PET）

which is free of catalyst

stabilizer

oligomer and diethylene glycol （DEG）

was studied by DSC. The crystallization behaviour of pure PET is different from commercial PET and a reasonable explanation is presented. The influences of catalyst

stabilizer

DEG and oligomer （cyclotetramer） result in a reduction of the crystallization rate. When catalyst and stabilizer coexist together

both of them promote the crystallization at lower temperature

only a smaller effect was found at higher temperature

it is evident that metal phosphite is formed between the catalyst and stabilizer at higher temperature.

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