| Expansion of High Performance Elastomers（Part 4） —Fluoroelastomer（1） |
| Received:July 05, 2021 Revised:July 05, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.01.0064 |
| Key Words: specialty elastomer；fluoroelastomer；peroxide curable fluoroelastomer；fluoroether elastomer；perfluoroether elastomer；base-resistant fluoroelastomer；fluorine content；cure site monomer |
| Author Name | Affiliation | E-mail | | XIE Zhonglin* | Beijing Research and Design Institute of Rubber Industry Co.，Ltd | 7792xie@sina.com | | MA Xiao | Beijing Research and Design Institute of Rubber Industry Co.，Ltd | | | WU Shuhua | Beijing Research and Design Institute of Rubber Industry Co.，Ltd | |
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| Abstract: |
| Several high performance specialty elastomers with special properties which can be applied
in the field of non-tire rubber products and used under harsh environments in recent years are reviewed.
Part 4 of this review introduces the developmental history and classification of fluoroelastomers，as well
as describes in detail the composition and features of high performance fluoroelastomers derived from
typical fluoroelastomers （type 1 and type 2 FKM）. These high performance fluoroelastomers include
fluoroelastomers with high fluorine content，peroxide curable fluoroelastomers，low temperature resistant
fluoroether elastomers（type 3 FKM）[perfluoromethyl vinyl ether（PMVE）and perfluoromethoxy methyl
vinylether（MOVE） elastomers]，perfluoroether elastomers resistant to extreme environments，base-resistant
fluoroelastomers—trifluoroethanol/propylenecopolymer（tetrapropylene fluoroelastomer），trifluoroethanol/
ethylene/PMVE and trifluoroethanol/propylene/vinylidene chloride terpolymers （type 4 FKM），
trifluoroethanol/hexafluoropropylene/vinylidene chloride/ethylene/PMVE pentapolymer（type 5 FKM）
and trifluoroethanol/tetrafluoroethylene copolymer（type 6 FKM）. This article reports domestic and foreign
research and development information in the field of high performance fluoroelastomers，focusing on the
recent progress of high performance fluoroelastomers in China. |
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