Study on Crystalline morphology of Poly(ε-caprolactone)

Hai-dong LI; Yong-li ZHANG; Feng-mei CHENG

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Study on Crystalline morphology of Poly(ε-caprolactone)

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- Study on Crystalline morphology of Poly(ε-caprolactone)
- Polymer Bulletin Vol. 25, Issue 7, Pages: 97-103(2012)
- 作者机构：
  
  1.长春工业大学化学工程学院，长春　130012
  2.中国兵器工业第203研究所，西安　710065
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012-07，
  
  Received：28 November 2011，
  
  Revised：04 January 2012，
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Hai-dong LI, Yong-li ZHANG, Feng-mei CHENG. Study on Crystalline morphology of Poly(ε-caprolactone). [J]. Polymer Bulletin 25(7):97-103(2012)
DOI：

Hai-dong LI, Yong-li ZHANG, Feng-mei CHENG. Study on Crystalline morphology of Poly(ε-caprolactone). [J]. Polymer Bulletin 25(7):97-103(2012) DOI：

摘要

采用DSC测试了聚ε-己内酯(PCL)的结晶温度(T

)和熔融温度(T

)。同时采用偏光显微镜(POM)探讨了结晶时间的影响

发现结晶时间的改变只能够改变其晶体的尺寸

对其结晶形态并没有太大的影响。最后采用原子力显微镜(AFM)讨论了基底材料、溶剂和过冷度对PCL结晶形态的影响。结果表明:基底材料对PCL结晶形态的影响是比较显著的

PCL在硅片上呈棒状

在云母和涂有碳膜的云母上呈树枝状。

Abstract

We measure the crystalline temperature and melt temperature of PCL by DSC.then

the effect of crystallization time was studied by Polarized Optical Microscope (POM)

we find that:the change of crystallization time only change dimension of crystal

it did not influence the crystalline morphology. At last

Crystalline morphology of Poly(ε-caprolactone) was studied by AFM. At this paper

we mainly discussed the effect of substrate material、solvent and super cooling on crystalline morphology. It was found that:(1) the effect of substrate material on crystalline morphology is prominence

crystalline morphology on the silicon present club-structure

while on mica and on mica coated Carbon film on surface is dendrite structure.(2) the effect of solvent on crystalline morphology is prominence

it mainly depended on the vapor pressure. (3) the dendrites structure could be found at different temperatures

the width of dendrites increase with decreasing super cooling.

关键词

聚ε-己内酯结晶环带球晶结晶形态

Keywords

Poly(ε-caprolactone)CrystallizationBanded spheruliteCrystalline morphology

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