Compatibilizer-aided Fabrication of a 'High-entropy Polymer Blend'

Jia-Nan Du; Wen-Kang Wei; Shi-De Lu; Dong Wang

doi:10.1007/s10118-025-3394-7

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Compatibilizer-aided Fabrication of a 'High-entropy Polymer Blend'

RESEARCH ARTICLE | Updated：2025-08-25

- Compatibilizer-aided Fabrication of a 'High-entropy Polymer Blend'
- Chinese Journal of Polymer Science Vol. 43, Issue 9, Pages: 1592-1601(2025)
- Affiliations：
  
  a.State Key Laboratory of Organic-Inorganic Composites & Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, China
  b.Shandong Runde Composite Materials Co., Ltd., Tai'an 271000, China
- Author bio：
  
  dwang@mail.buct.edu.cn
- Funds：
- DOI：10.1007/s10118-025-3394-7
  CLC：
- Received：05 April 2025，
  
  Revised：15 May 2025，
  
  Accepted：05 June 2025，
  
  Published Online：08 July 2025，
  
  Published：05 September 2025
- Accepted：
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Du, J. N.; Wei, W. K.; Lu, S. D.; Wang, D. Compatibilizer-aided fabrication of a 'high-entropy polymer blend'. Chinese J. Polym. Sci. 2025, 43, 1592–1601

Jia-Nan Du, Wen-Kang Wei, Shi-De Lu, et al. Compatibilizer-aided Fabrication of a 'High-entropy Polymer Blend'[J]. Chinese journal of polymer science, 2025, 43(9): 1592-1601.
Du, J. N.; Wei, W. K.; Lu, S. D.; Wang, D. Compatibilizer-aided fabrication of a 'high-entropy polymer blend'. Chinese J. Polym. Sci. 2025, 43, 1592–1601 DOI： 10.1007/s10118-025-3394-7.

Jia-Nan Du, Wen-Kang Wei, Shi-De Lu, et al. Compatibilizer-aided Fabrication of a 'High-entropy Polymer Blend'[J]. Chinese journal of polymer science, 2025, 43(9): 1592-1601. DOI： 10.1007/s10118-025-3394-7.

摘要

A 'high-entropy polymer blend' (PP/PS/PA6/PLA/SEBS) compatibilized by SEBS-g-MAH significantly enhances interfacial interactions

refines phase morphology

and improves tensile ductility. Optimal compatibilizer content balances crystallization and mechanical performance

demonstrating its promise as a sustainable strategy for upcycling complex

unsorted plastic waste into high-performance

value-added materials.

Abstract

High-entropy polymer blends composed of polypropylene (PP)

polystyrene (PS)

polyamide 6 (PA6)

poly(lactic acid) (PLA)

and styrene-ethylene-butylene-styrene (SEBS) were successfully fabricated using maleic anhydride-grafted SEBS (SEBS-

-MAH) as a compatibilizer. Dynamic mechanical analysis (DMA)

differential scanning calorimetry (DSC)

scanning electron microscopy (SEM)

and mechanical testing demonstrated that SEBS-

-MAH significantly enhanced the compatibility between the polar (PA6

PLA) and nonpolar (PP

SEBS) components. The compatibilizer effectively refined the microstructure

substantially reduced the domain sizes

and blurred the phase boundaries

indicating enhanced interfacial interactions among all the components. The optimal compatibilizer content (15 wt%) notably increased tensile ductility (elongation at break from 5.0% to 23.7%) while maintaining balanced crystallization behavior

despite slightly decreasing modulus. This work not only demonstrates the broad applicability of high-entropy polymer blends as a sustainable strategy for converting complex

unsorted plastic waste into high-performance value-added materials that signifi

cantly contribute to plastic upcycling efforts

but also highlights intriguing physical phenomena emerging from such complex polymer systems.

关键词

Keywords

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