MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS*

ZHANG Ruiyun; LUO Xiaolie; WANG Qunhua; MA Dezhu

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MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS*

Papers | Updated：2021-06-21

- MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS*
- Vol. 12, Issue 3, Pages: 246-255(1994)
- Affiliations：
  
  1.   Department of Materials Science and Engineering
  2.   Academia Sinica Structure Research Laboratory
  3.   University of Science and Technology of China
  4.   Hefei
  5.   Anhui 230026
- Author bio：
- Funds：
- DOI：
  CLC： TQ325.14
- Published：20 September 1994
- Accepted：
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[1]张瑞云,罗筱烈,王群华,马德柱.MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS[J].Chinese Journal of Polymer Science,1994,{4}(03):246-255.

ZHANG Ruiyun, LUO Xiaolie, WANG Qunhua, et al. MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS*[J]. 1994, 12(3): 246-255.
[1]张瑞云,罗筱烈,王群华,马德柱.MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS[J].Chinese Journal of Polymer Science,1994,{4}(03):246-255. DOI：

ZHANG Ruiyun, LUO Xiaolie, WANG Qunhua, et al. MELTING BEHAVIOR OF LOW ETHYLENE CONTENT POLYPROPYLENE COPOLYMERS WITH AND WITHOUT NUCLEATING AGENTS*[J]. 1994, 12(3): 246-255. DOI：

摘要

<正> The melting behavior of polypropylene （PP） and low ethylene content polypropylenecopolymer with and without nucleating agent samples crystallized under both isothermal and non-isothermal conditions were studied by Differential Scanning Calorimeter （DSC） and X-raydiffraction. Multiple melting behavior were observed depending on the existence of nucleatingagent and crystallization conditions. The observed phenomena have been discussed by the effect ofnucleating agent on perfection of crystal and the melting and recrystallization of imperfect crystalto a more perfect crystal during the heating process of samples.

Abstract

The melting behavior of polypropylene （PP） and low ethylene content polypropylenecopolymer with and without nucleating agent samples crystallized under both isothermal and non-isothermal conditions were studied by Differential Scanning Calorimeter （DSC） and X-raydiffraction. Multiple melting behavior were observed depending on the existence of nucleatingagent and crystallization conditions. The observed phenomena have been discussed by the effect ofnucleating agent on perfection of crystal and the melting and recrystallization of imperfect crystalto a more perfect crystal during the heating process of samples.

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