Toughening epoxy resins with soluble hyperbranched poly (aryl ether ketone): enhanced mechanical properties and thermal stability

Xiyan Li; Feng Bao; Shuang’er Li; Tang Zhu; Jiali Yu; Qing Zhang; Huichao Liu; Caizhen Zhu; Jian Xu

doi:10.1080/20550340.2024.2447171

Advanced Manufacturing: Polymer & Composites Science (Dec 2025)

Toughening epoxy resins with soluble hyperbranched poly (aryl ether ketone): enhanced mechanical properties and thermal stability

Xiyan Li,
Feng Bao,
Shuang’er Li,
Tang Zhu,
Jiali Yu,
Qing Zhang,
Huichao Liu,
Caizhen Zhu,
Jian Xu

Affiliations

Xiyan Li: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Feng Bao: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Shuang’er Li: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Tang Zhu: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Jiali Yu: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Qing Zhang: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Huichao Liu: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Caizhen Zhu: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China
Jian Xu: College of Chemistry and Environmental Engineering, Institute of Low-dimensional Materials Genome Initiative, Shenzhen University, Shenzhen, People’s Republic of China

DOI: https://doi.org/10.1080/20550340.2024.2447171
Journal volume & issue: Vol. 11, no. 1

Abstract

Read online

The limited toughness of epoxy resins (EP) significantly hinders their application. While hyperbranched polymers are commonly employed as toughening agents, their poor solubility often leads to drawbacks, including a marked reduction in glass transition temperature (Tg). In this study, a novel hyperbranched poly (aryl ether ketone) resin (pm-HBPAEK-OH) with enhanced solubility was synthesized and evaluated as a toughening agent, for EP. The results indicated that when the content of pm-HBPAEK-OH is 6%, the tensile strength, flexural strength, impact strength, and elongation at break reached 75.1 MPa, 113.8 MPa, 43.5 kJ/m2, and 11.3%, respectively, representing enhancements of 10.0%, 13.1%, 112.9%, and 195.0% compared to the pure EP. Additionally, the modified EP exhibited superior thermal stability achieving a Tg of 91.6 °C, which is approximately 15.4 °C higher than that of pure EP, without a significant loss in thermal decomposition temperature.

Published in Advanced Manufacturing: Polymer & Composites Science

ISSN: 2055-0340 (Print); 2055-0359 (Online)
Publisher: Taylor & Francis Group
Country of publisher: United Kingdom
LCC subjects: Technology: Chemical technology: Polymers and polymer manufacture; Technology: Technology (General): Industrial engineering. Management engineering: Automation
Website: https://www.tandfonline.com/journals/yadm

About the journal

Abstract

Keywords