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논문 기본 정보

자료유형
학술저널
저자정보
Shengpeng Zhan (Wuhan Research Institute of Materials Protection) Ruize Li (Wuhan Research Institute of Materials Protection) Tian Yang (Wuhan Research Institute of Materials Protection) Dan Jia (Wuhan Research Institute of Materials Protection) Jiesong Tu (Wuhan Research Institute of Materials Protection) lixin Ma (Wuhan Research Institute of Materials Protection) Bingxue Cheng (Tsinghua University) Haitao Duan (Wuhan Research Institute of Materials Protection)
저널정보
한국고분자학회 폴리머 폴리머 제47권 제3호
발행연도
2023.5
수록면
264 - 277 (14page)
DOI
10.7317/pk.2023.47.3.264

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The physical, chemical and mechanical properties of polymer materials used in water environment for a long time will change due to their water absorption characteristics, which will affect their tribological properties. This work studied the changes of physicochemical, mechanical, and tribological properties for five kinds of polymer materials (polyethylene, polyformaldehyde,polyamide, polytetrafluoroethylene, and poly-ether-etherketone) before and after water absorption. The mechanism of water absorption for polymer materials was revealed by molecular dynamics simulation. The results show that the higher the water absorption of polymer, the larger the swelling volume, the more the surface hardness and compressive strength decrease, and the toughness and friction coefficient of the material increase obviously. The water absorption status of polymer materials is closely related to the polarity of molecular chain. Water molecules are easy to form hydrogen bonds with polymer molecular chains of high polarity, which is the main factor of water absorption.

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Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References

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