High-Performance Biodegradable PBAT/PPC Composite Film Through Reactive Compatibilizer

Feng-Xiang Gao; Yi Cai; Shun-Jie Liu; Xian-Hong Wang

doi:10.1007/s10118-023-2900-z

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High-Performance Biodegradable PBAT/PPC Composite Film Through Reactive Compatibilizer

RESEARCH ARTICLE | Updated：2023-06-14

- High-Performance Biodegradable PBAT/PPC Composite Film Through Reactive Compatibilizer
- High-Performance Biodegradable PBAT/PPC Composite Film Through Reactive Compatibilizer
- 高分子科学（英文版） 2023年41卷第7期页码：1051-1058
- Affiliations：
  
  a.University of Science and Technology of China, Hefei 230026, China
  b.Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry CAS, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  sjliu@ciac.ac.cn (S.J.L.)
  xhwang@ciac.ac.cn (X.H.W.)
- Funds：
  
  This work was financially supported by National Key Research and Development Program of China (No. 2021YFD1700700).;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-023-2900-z.
- DOI：10.1007/s10118-023-2900-z
  中图分类号：
- 收稿：2022-10-11，
  
  修回：2022-10-25，
  
  录用：2022-11-7，
  
  网络首发：2022-12-29，
  
  纸质出版：2023-07-01
- Accepted：
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Gao, F. X.; Cai, Y.; Liu, S. J.; Wang, X. H. High-performance biodegradable PBAT/PPC composite film through reactive compatibilizer. Chinese J. Polym. Sci. 2023, 41, 1051–1058

Feng-Xiang Gao, Yi Cai, Shun-Jie Liu, et al. High-Performance Biodegradable PBAT/PPC Composite Film Through Reactive Compatibilizer[J]. Chinese Journal of Polymer Science, 2023, 41(7): 1051-1058.
Gao, F. X.; Cai, Y.; Liu, S. J.; Wang, X. H. High-performance biodegradable PBAT/PPC composite film through reactive compatibilizer. Chinese J. Polym. Sci. 2023, 41, 1051–1058 DOI： 10.1007/s10118-023-2900-z.

Feng-Xiang Gao, Yi Cai, Shun-Jie Liu, et al. High-Performance Biodegradable PBAT/PPC Composite Film Through Reactive Compatibilizer[J]. Chinese Journal of Polymer Science, 2023, 41(7): 1051-1058. DOI： 10.1007/s10118-023-2900-z.

摘要

We successfully synthesize a reactive compatibilizer C-PPC with side double bond via terpolymerization of CO

/PO/GMA to improve the compatibility between PBAT and PPC. The water vapor and oxygen barrier properties of PBAT/PPC blends were improved by 51.9% and 33.5% respectively. Moreover

the mechanical properties have also been greatly improved.

Abstract

Poly(butylene adipate-

-terephthalate) (PBAT) is currently the largest commercial biodegradable plastics with good toughness and film forming properties

whereas

the inferior barrier and mechanical properties hinder its applications. Biodegradable poly(propylene carbonate) (PPC) with excellent barrier properties and high strength is a natural choice to address above issue. However

it is challenging to improve the compatibility of these two polymers. Herein

we prepared a reactive compatibilizer with double bond side group through terpolymerization of CO

/propylene oxide/glycidyl methacrylate to enhance the properties of PBAT/PPC blends. Upon addition of 1 wt% compatibilizer

the PBAT/PPC blends (75/25

) showed an increased water vapor barrier property changed from 424 g·m

−2

·d

−1

to 204 g·m

−2

·d

−1

compared to the control sample. Moreover

the tensile strength and elongation at break increased from 24.7 MPa to 30.3 MPa and from 858% to 1142%

respectively. The PBAT/PPC composite also displayed excellent biodegradability under composting conditions

as confirmed by the significantly decreased molecular weight. The present work provides an efficient way to barrier biodegradable film from PBAT of practical utilization.

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references

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