Biodegradable Poly(butylene adipate-<italic style="font-style: italic">co</italic>-terephthalate)/Poly(glycolic acid) Films: Effect of Poly(glycolic acid) Crystal on Mechanical and Barrier Properties

Hong-Wei Pan; Ye Wang; Shi-Ling Jia; Yan Zhao; Jun-Jia Bian; Hui-Li Yang; Yan-Ping Hao; Li-Jing Han; Hui-Liang Zhang

doi:10.1007/s10118-023-2934-2

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Biodegradable Poly(butylene adipate-co-terephthalate)/Poly(glycolic acid) Films: Effect of Poly(glycolic acid) Crystal on Mechanical and Barrier Properties

RESEARCH ARTICLE | Updated：2023-06-14

- Biodegradable Poly(butylene adipate-co-terephthalate)/Poly(glycolic acid) Films: Effect of Poly(glycolic acid) Crystal on Mechanical and Barrier Properties
- Chinese Journal of Polymer Science Vol. 41, Issue 7, Pages: 1123-1132(2023)
- Affiliations：
  
  a.Key Laboratory of Polymer Ecomaterials, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry, Changchun 130022, China
  b.School of Pharmaceutical Sciences, Changchun University of Chinese Medicine, Changchun 130117, China
  c.Changchun University of Technology, Changchun 130012, China
  d.Shandong Dawn Polymer Co., Ltd., Longkou 265700, China
- Author bio：
  
  ljhan@ciac.ac.cn
- Funds：
- DOI：10.1007/s10118-023-2934-2
  CLC：
- Received：10 October 2022，
  
  Revised：2022-12-7，
  
  Accepted：19 December 2022，
  
  Online First：21 February 2023，
  
  Published：01 July 2023
- Accepted：
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Pan, H. W.; Wang, Y.; Jia, S. L.; Zhao, Y.; Bian, J. J.; Yang, H. L.; Hao, Y. P.; Han, L. J.; Zhang, H. L. Biodegradable poly(butylene adipate-co-terephthalate)/poly(glycolic acid) films: effect of poly(glycolic acid) crystal on mechanical and barrier properties. Chinese J. Polym. Sci. 2023, 41, 1123–1132

Hong-Wei Pan, Ye Wang, Shi-Ling Jia, et al. Biodegradable Poly(butylene adipate-co-terephthalate)/Poly(glycolic acid) Films: Effect of Poly(glycolic acid) Crystal on Mechanical and Barrier Properties[J]. Chinese Journal of Polymer Science, 2023, 41(7): 1123-1132. DOI: 10.1007/s10118-023-2934-2.
Pan, H. W.; Wang, Y.; Jia, S. L.; Zhao, Y.; Bian, J. J.; Yang, H. L.; Hao, Y. P.; Han, L. J.; Zhang, H. L. Biodegradable poly(butylene adipate-co-terephthalate)/poly(glycolic acid) films: effect of poly(glycolic acid) crystal on mechanical and barrier properties. Chinese J. Polym. Sci. 2023, 41, 1123–1132 DOI： 10.1007/s10118-023-2934-2.

Hong-Wei Pan, Ye Wang, Shi-Ling Jia, et al. Biodegradable Poly(butylene adipate-co-terephthalate)/Poly(glycolic acid) Films: Effect of Poly(glycolic acid) Crystal on Mechanical and Barrier Properties[J]. Chinese Journal of Polymer Science, 2023, 41(7): 1123-1132. DOI: 10.1007/s10118-023-2934-2. DOI：

摘要

An increase in the crystallinity of polymers and good dispersion resulted in a reduction of excluded volume and thus a reduction in the molecules permeation and an increase in the barrier properties.

Abstract

Binary biodegradable polymers films

poly(butylene adipate-

-terephthalate) (PBAT) and poly(glycolic acid) (PGA)

were prepared through batch melt mixing to obtain Film I and Film II under two different processing conditions. PGA crystals played a major role in enhancing the mechanical and barrier properties of the films. For Film I

there were initial PGA crystals before the film blowing process

the PGA molecular chain further crystallized

forming the oriented crystallization of PGA. Moreover

the

and crystalline size in Film I were higher than those in Film II. Compared with the different processing methods

Film I has excellent mechanical and oxygen barrier properties due to the crystallization and orientation. The tensile strength reached 45.0 MPa

and tear strength exceeded 138.2 kN/m

while the elongation at break was as high as 750% for PBAT/PGA 85/15 in Film I. The WVTR

WVP coefficients

and OP coefficients of PBAT/PGA films were decreased obviously with increasing the PGA content both in Film I and Film II. Moreover

the barrier properties of oxygen in Film I were better than that in Film II. This work reveals a feasible processing technique by introducing of initial crystallization of PGA to blow PBAT/PGA films with excellent mechanical and barrier properties.

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Biodegradable Poly(butylene adipate-co-terephthalate)/Poly(glycolic acid) Films: Effect of Poly(glycolic acid) Crystal on Mechanical and Barrier Properties

DOI：10.1007/s10118-023-2934-2

摘要

Abstract

关键词

Keywords

references