Preparation and characterization of UV-curable urethane acrylate oligomers modified with cycloaliphatic epoxide resin

被引：15
|
作者：
Jiao, Zhen [1 ,2 ]
Wang, Chenchen [1 ]
Yang, Qianqian [1 ]
Wang, Xianwei [1 ]
机构：
[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China
[2] Joint Res Inst Southeast Univ & Monash Univ, Ctr Nanobiotechnol, Suzhou 215123, Jiangsu, Peoples R China
来源：
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2018年 / 15卷 / 02期
关键词：
UV-curable coatings; Modified urethane acrylate; Cycloaliphatic epoxide resin modification; Synthesis kinetics; Cured film properties; HYBRID COATINGS; POLYMER NETWORKS; GREEN; CHEMISTRY;
D O I：
10.1007/s11998-017-9994-6
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The UV-curable urethane acrylate oligomers modified with cycloaliphatic epoxide resin, including polyether-modified cycloaliphatic polyurethane acrylate (CE-MP-UA) and oleic acid-modified cycloaliphatic polyurethane acrylate (CE-OA-UA), have successfully been synthesized and characterized by (HNMR)-H-1 and FTIR. The kinetics of the synthesis processes are studied in this paper. The effects of the molecular structure of the oligomers on the properties of cured film, including pencil hardness, impact resistance, adhesion and boiling water resistance, are discussed in detail. The experimental results indicate that the films formed by CE-OA-MP oligomers show good comprehensive performance, especially good adhesion and boiling water resistance due to the numerous hydroxyl groups, flexible segment and alicyclic structure of the oligomers. The results reveal that the alicyclic structure in the oligomer molecular make-up can effectively improve the adhesion of UV-curable coatings.
引用
收藏
页码：251 / 258
页数：8
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