Preparation and Characterization of Fluorinated Hydrophobic UV-Crosslinkable Thiol-Ene Polyurethane Coatings

被引:31
|
作者
Xia, Wenjing [1 ]
Zhu, Nianqing [2 ,3 ]
Hou, Rongjie [3 ]
Zhong, Wengui [3 ]
Chen, Mingqing [3 ]
机构
[1] Nanjing Normal Univ, Sch Chem & Biol Engn, Taizhou Coll, Taizhou 225300, Peoples R China
[2] Taizhou Univ, Sch Med & Chem Engn & Technol, 93 Jichuan Rd, Taizhou 225300, Peoples R China
[3] Jiangnan Univ, Sch Chem & Mat Engn, 1800 Lihu Rd, Wuxi 214122, Peoples R China
关键词
polyurethane; fluorine-containing; UV-crosslinkable; HYPERBRANCHED ALIPHATIC POLYESTER; HYDROXYL-TERMINATED POLYBUTADIENE; THERMOPLASTIC POLYURETHANE; SURFACE; PHOTOPOLYMERIZATION; WATERBORNE; CHEMISTRY; OLIGOMERS; KINETICS; BEHAVIOR;
D O I
10.3390/coatings7080117
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The polyurethane prepolymer terminated with a double bond was synthesized using isophorone diisocyanate (IPDI), hydroxyl terminated polybutadiene (HTPB), 1,4-butanediol (BDO), and 2-hydroxyethyl acrylate (HEA). Then, a series of innovative UV-curable polyurethane coatings were prepared by blending ene-terminated polyurethane, fluoroacrylate monomer, and multifunctional thiol crosslinker upon UV exposure. The incorporation of fluoroacrylate monomer and multifunctional thiols into polyurethane coatings significantly enhanced the hydrophobic property, mechanical property, pencil hardness, and glossiness of the polyurethane coatings. This method of preparing UV crosslinkable, hydrophobic polyurethane coatings based on thiol-ene chemistry exhibited numerous advantages over other UV photocuring systems.
引用
收藏
页数:12
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