Research progress in modification of polytetrafluoroethylene

doi:10.19491/j.issn.1001-9278.2024.11.023

Abstract

Abstract:

This paper reviewed the research progress in modification of polytetrafluoroethylene （PTFE） in recent years. The advantages and disadvantages of surface modification， blending modification and filling modification methods for the modification of PTFE were summarized. Meanwhile， the effect of modification method on the properties of PTFE were analyzed. Finally， the development trend in the field of PTFE modification was prospected.

Key words: polytetrafluoroethylene, surface modification, blending modification, filling modification

CLC Number:

TQ325.4

ZHANG Cheng, XIE Jikai, GUO Jiaxing, HAO Zhi, LUO Zhu, CHEN Yulin. Research progress in modification of polytetrafluoroethylene[J]. China Plastics, 2024, 38(11): 137-143.

Figures/Tables 4

Fig.1. Molecular structure of PTFE［3］

Fig.2. Water contact angle of the membrane before and after surface treatment［10］

Fig.3. Schematic diagram of structural evolution mechanism of the PTFE irradiated by γ ray［19］

Fig.4. Schematic diagram of fabrication of the modified PTFE/ZTN composites［24］

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