Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: <italic style="font-style: italic">In Situ</italic> FTIR Study

Zhen Zhang; Xin Chen; Chuang Zhang; Chun-Tai Liu; Zhen Wang; Yan-Ping Liu

doi:10.1007/s10118-020-2409-7

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Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: In Situ FTIR Study

ARTICLE | Updated：2020-04-20

- Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: In Situ FTIR Study
- Chinese Journal of Polymer Science Vol. 38, Issue 8, Pages: 888-897(2020)
- Affiliations：
  
  a.National Engineering Research Center for Advanced Polymer Processing Technology; Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou 450002, China
  b.National Center for International Research of Micro-nano Molding Technology & Key Laboratory for Micro Molding Technology of Henan Province, Zhengzhou University, Zhengzhou 450002, China
- Author bio：
  
  wangz@zzu.edu.cn (Z.W.)
  ypliu@zzu.edu.cn (Y.P.L.)
- Funds：
- DOI：10.1007/s10118-020-2409-7
  CLC：
- Received：18 December 2019，
  
  Revised：2020-1-16，
  
  Accepted：21 February 2020，
  
  Online First：20 April 2020，
  
  Published：2020-08
- Accepted：
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Zhang, Z.; Chen, X.; Zhang, C.; Liu, C. T.; Wang, Z.; Liu, Y. P. Polymorphic transition of pre-oriented polybutene-1 under tensile deformation: , in situ, FTIR study. Chinese J. Polym. Sci. 2020, 38, 888–897

Zhen Zhang, Xin Chen, Chuang Zhang, et al. Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: In Situ FTIR Study[J]. Chinese Journal of Polymer Science, 2020, 38(8): 888-897. DOI: 10.1007/s10118-020-2409-7.
Zhang, Z.; Chen, X.; Zhang, C.; Liu, C. T.; Wang, Z.; Liu, Y. P. Polymorphic transition of pre-oriented polybutene-1 under tensile deformation: , in situ, FTIR study. Chinese J. Polym. Sci. 2020, 38, 888–897 DOI： 10.1007/s10118-020-2409-7.

Zhen Zhang, Xin Chen, Chuang Zhang, et al. Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: In Situ FTIR Study[J]. Chinese Journal of Polymer Science, 2020, 38(8): 888-897. DOI: 10.1007/s10118-020-2409-7. DOI：

摘要

Abstract

Deformation-induced phase transition of Form II to Form I in polybutene-1 (PB-1) has been investigated by time-resolved Fourier transform infrared (FTIR) spectroscopy over a wide temperature range from 25 °C to 105 °C. The initial film sample containing orientated lamellae is prepared by pre-stretching of PB-1 melt followed by solidification. This is to realize a homogeneity of subsequent deformation at the mesoscale of lamellar stacks by avoiding large-scale spherulites. The deformation induced phase transition is recognized to occur with two stages: first

Form II undergoes the lamellar fragmentation

slipping or local melting after yielding to activate its transition to Form I

which may be realized by releasing the restrictions on chains translational movements in crystalline phase; second

the phase transition proceeds with a continuous dissipation of external work and determines the tensile mechanical response of film. To quantify the relationship between crystalline transition of Form II to Form I and external tensile field

a simple kinetic equation is well established based on FTIR measurement. The equation can describe not only the dependence of crystal transitional degree on applied specific work

but also the retardation effect of elevating temperature on phase transition.

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references

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Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: In Situ FTIR Study

DOI：10.1007/s10118-020-2409-7

摘要

Abstract

关键词

Keywords

references