CRYSTALLIZATION AND MORPHOLOGY OF STAR-SHAPED POLYETHYLENOXYDE-<italic style="font-style: italic">b</italic>-POLYCAPROLACTONE UNDER HIGH PRESSURE CARBON DIOXIDE

Ya Li; Jian Zhou; Jun Li; Qu-ting Gou; Qun Gu; Zong-bao Wang

doi:10.1007/s10118-012-1177-4

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CRYSTALLIZATION AND MORPHOLOGY OF STAR-SHAPED POLYETHYLENOXYDE-b-POLYCAPROLACTONE UNDER HIGH PRESSURE CARBON DIOXIDE

PAPER | Updated：2023-01-03

- CRYSTALLIZATION AND MORPHOLOGY OF STAR-SHAPED POLYETHYLENOXYDE-b-POLYCAPROLACTONE UNDER HIGH PRESSURE CARBON DIOXIDE
- Chinese Journal of Polymer Science Vol. 30, Issue 5, Pages: 623-631(2012)
- Affiliations：
  
  a.Ningbo Key Laboratory of Polymer Materials, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  b.Institute of Material Engineering, Ningbo University of Technology, Ningbo 315016, China
  c.State Key Laboratory of Polymer Materials Engineering (Sichuan University), Polymer Research Institute of Sichuan University, Chengdu 610065, China
- Author bio：
  
  **Qun Gu (顾群), E-mail: guqun@nimte.ac.cn
  Zong-bao Wang (王宗宝), E-mail: wangzb@nimte.ac.cn
- Funds：
- DOI：10.1007/s10118-012-1177-4
  CLC：
- Received：02 March 2012，
  
  Revised：2012-04-26，
  
  Accepted：25 May 2012，
  
  Published：2012-09
- Accepted：
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Ya Li, Jian Zhou, Jun Li, et al. CRYSTALLIZATION AND MORPHOLOGY OF STAR-SHAPED POLYETHYLENOXYDE-b-POLYCAPROLACTONE UNDER HIGH PRESSURE CARBON DIOXIDE[J]. Chinese Journal of Polymer Science, 2012, 30(5): 623-631. DOI: 10.1007/s10118-012-1177-4.
DOI：

Ya Li, Jian Zhou, Jun Li, et al. CRYSTALLIZATION AND MORPHOLOGY OF STAR-SHAPED POLYETHYLENOXYDE-b-POLYCAPROLACTONE UNDER HIGH PRESSURE CARBON DIOXIDE[J]. Chinese Journal of Polymer Science, 2012, 30(5): 623-631. DOI: 10.1007/s10118-012-1177-4. DOI：

摘要

Abstract

Atomic force microscopy (AFM)

wide-angle X-ray diffraction (WAXD) and differential scanning calorimetry are used to analyze the crystallization morphology and melting behavior of 4-arm PEO-

-PCL under high-pressure CO

. It is demonstrated that CO

has certain effect on the melting and crystallization behavior of the samples. After crystallization under CO

at 4 MPa

spherulites with concentric ring-banded structure are formed which are composed of crystals with periodic thickness variation

and the band distance decreases with increasing treatment pressure. Due to the plasticization effect of CO

depression of the melting temperature is observed with sorption of CO

in polymers.

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CRYSTALLIZATION AND MORPHOLOGY OF STAR-SHAPED POLYETHYLENOXYDE-b-POLYCAPROLACTONE UNDER HIGH PRESSURE CARBON DIOXIDE

DOI：10.1007/s10118-012-1177-4

摘要

Abstract

关键词

Keywords

references