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Citation: Qiu Li-Mei, Jiang Yong, Liu Fen, Zhao Liang-Zhong. XPS Investigation of the Spherulite Surface for Poly(ε-caprolactone)/poly(vinyl chloride)[J]. Acta Physico-Chimica Sinica, ;2004, 20(01): 47-49. doi: 10.3866/PKU.WHXB20040110 shu

XPS Investigation of the Spherulite Surface for Poly(ε-caprolactone)/poly(vinyl chloride)

1.
Institute of Chemistry, Chinese Academy of Sciences, Beijing　100080

Received Date: 27 June 2003
Available Online: 15 January 2004

Recently, polymer thin films have been increasingly used in microelectronic applications. Poly(ε-caprolactone)/poly(vinyl chloride) (PCL/PVC) blends are widely studied polymers. When PCL and PVC are blended in certain ratio, ring-banded spherulites are formed and the blends are often composed of a PCL crystal phase and a PCL/PVC amorphous phase. Optical microscopy, atomic force microscopy and angle-dependent XPS analyses were used by many scientists to investigate the morphology and composition of the PCL/PVC films. Using XPS and imaging XPS analyses, we have investigated the surface chemical composition and elemental distribution of PCL/PVC films. The results show that PCL enriches to the PCL/PVC polymer-air interface. Besides, the imaging XPS analysis indicates that PVC is concentrated at the spherulite boundaries and the width of the boundaries is about 15 μm. These observations may be valuable for the explanation of the crystallization and morphological behaviors of polymer blends.
- PCL/PVC;XPS;Imaging XPS;Enrichment;Spherulite boundary
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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XPS Investigation of the Spherulite Surface for Poly(ε-caprolactone)/poly(vinyl chloride)

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com