A Universal Equipment for Biaxial Stretching of Polymer Films

Ling-pu Meng; Yuan-fei Lin; Jia-li Xu; Xiao-wei Chen; Xue-yu Li; Qian-lei Zhang; Rui Zhang; Nan Tian; Liang-bin Li

doi:10.1007/s10118-015-1623-1

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A Universal Equipment for Biaxial Stretching of Polymer Films

PAPER | Updated：2021-06-21

- A Universal Equipment for Biaxial Stretching of Polymer Films
- Chinese Journal of Polymer Science Vol. 33, Issue 5, Pages: 754-762(2015)
- Affiliations：
  
  National Synchrotron Radiation Lab and College of Nuclear Science and Technology, CAS Key Laboratory of Soft Matter Chemistry, University of Science and Technology of China, Hefei 230029, China
- Author bio：
  
  **Liang-bin Li (李良彬), E-mail: lbli@ustc.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1623-1
  CLC：
- Received：16 September 2014，
  
  Revised：2014-09-30，
  
  Accepted：16 October 2014，
  
  Published：2015-05
- Accepted：
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Ling-pu Meng, Yuan-fei Lin, Jia-li Xu, et al. A Universal Equipment for Biaxial Stretching of Polymer Films[J]. Chinese Journal of Polymer Science, 2015, 33(5): 754-762.
DOI：

Ling-pu Meng, Yuan-fei Lin, Jia-li Xu, et al. A Universal Equipment for Biaxial Stretching of Polymer Films[J]. Chinese Journal of Polymer Science, 2015, 33(5): 754-762. DOI： 10.1007/s10118-015-1623-1.

摘要

Abstract

A biaxial stretching equipment was designed and constructed to enable fundamental studies of the relationship between film processing conditions and structures of oriented film products. With programmable drive motors and scissorlike mechanism

all stretching modes

including uniaxial stretching with constant and free width

simultaneous and sequential biaxial stretching

can be applied to a square-shaped sheet. Parameters related to film stretching manufacturing

such as temperature

draw ratio and stretching speed can be set independently to meet the requirement of different polymers. The force information during stretching is recorded by two miniature tension sensors in two directions independently

which can monitor the mechanical stimulus and stress response. Using this equipment

experiments are conducted to investigate the influence of stretching parameters on the structure of polypropylene films

which provides an effective method to tailor the processing conditions to obtain the films with desired properties.

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Related Institution

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