Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)

Zhen-bo Ning; Ronnie Nielsen; Li-fen Zhao; Dong-hong Yu; Zhi-hua Gan

doi:10.1007/s10118-014-1503-0

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Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)

Updated：2021-06-21

- Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)
- Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)
- Chinese Journal of Polymer Science 2014年32卷第9期页码：1243-1252
- Affiliations：
  
  a.CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
  b.Aalborg University, Section of Chemistry, Department of Life Sciences, Aalborg University, DK-9000, Aalborg, Denmark
  c.College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
  d.State Key Laboratory of Organic-inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
  e.The Graduate University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  † The two authors contributed equally to this work.
  **Zhi-hua Gan (甘志华), E-mail: zhgan@mail.buct.edu.cn
- Funds：
  
  the National Natural Science Foundation of China(51025314);Oticon Foundation in Denmark
- DOI：10.1007/s10118-014-1503-0
  中图分类号：
- 收稿：2014-04-09，
  
  修回：2014-05-12，
  
  录用：2014-05-13，
  
  纸质出版：2014-09
- Accepted：
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Zhen-bo Ning, Ronnie Nielsen, Li-fen Zhao, 等. Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)[J]. Chinese Journal of Polymer Science, 2014,32(9):1243-1252.

Zhen-bo Ning, Ronnie Nielsen, Li-fen Zhao, et al. Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)[J]. Chinese Journal of Polymer Science, 2014, 32(9): 1243-1252.
Zhen-bo Ning, Ronnie Nielsen, Li-fen Zhao, 等. Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)[J]. Chinese Journal of Polymer Science, 2014,32(9):1243-1252. DOI： 10.1007/s10118-014-1503-0.

Zhen-bo Ning, Ronnie Nielsen, Li-fen Zhao, et al. Influence of Teflon Substrate on Crystallization and Enzymatic Degradation of Polymorphic Poly(butylene adipate)[J]. Chinese Journal of Polymer Science, 2014, 32(9): 1243-1252. DOI： 10.1007/s10118-014-1503-0.

摘要

Abstract

Oriented and non-oriented Teflon films

which were found to have the same crystalline structure

but different surface morphologies

were used to sandwich poly(butylene adipate) (PBA) films during isothermal crystallization. It was found that both the Teflon surface structure and the PBA polymorphic structure are the determining factors to induce epitaxial crystallization. The oriented Teflon film was able to induce epitaxial crystallization of PBA

crystal

while the non-oriented Teflon did not induce any epitaxial crystallization of PBA. Epitaxial crystallization did not occurred for PBA

crystals between neither the oriented nor the non-oriented Teflon films. The enzymatic degradation rate of PBA films was not determined by the epitaxial crystallization

in fact it was still dependent on the polymorphic crystal structure of PBA. The morphological changes of PBA films after enzymatic degradation confirmed again that the epitaxial crystallization only occurred for the PBA film with

crystal structure which was produced by being sandwiched between oriented Teflon films

and it happened only on the surface of PBA films.

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