Journal of Fluorine Chemistry p. 14 - 19 (2015)
Update date:2022-08-17
Topics:
Wang, Xia
Hu, Jiaojiao
Li, Ying
Zhang, Jinrui
Ding, Yuanyuan
Fluorine-containing epoxy (FO) compounds were synthesized through a one-step process from 2,2,3,3-tetrafluoro-1-propanol (TFP) and epichlorohydrin (ECH). Cationic polymerization was adopted to prepare fluorinated polyglycol with controllable molecular weight. The structure of FO and FPO were studied by FTIR, NMR and GPC and a two-component fluorinated polyurethane coating was synthesized using FPO and methyl diphenylenediisocyanate (MDI) with a room temperature curing method. We characterized the contact angle of the surface of the coating. The water resistance and resistance to salt spray as well as SEM imaging of the film surface indicates that hydrophobicity, water resistance, and corrosion resistance are improved due to surface migration of the fluorine element.
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