Microwave Effect on Curing of Waterborne Polyurethane

被引：5
|
作者：
Lee, Hoikwan [1 ]
Fang, Chris Y. [1 ]
Pantano, Carlo G. [1 ]
Kang, Wonho [2 ]
机构：
[1] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
[2] Dankook Univ, Dept Adv Mat Sci & Engn, Cheonan 330714, South Korea
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2011年 / 32卷 / 03期
关键词：
Curing; Microwave heating; Polyurethane; Coating; Caustic resistance; ALUMINUM BORATE NANOWIRES; EPOXY-RESINS;
D O I：
10.5012/bkcs.2011.32.3.961
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Spin-coated waterborne polyurethane to protect glass surface from environmental attacks was cured by using microwave heating. The effect of microwave heating on the reaction kinetics, chemical durability, and transmittance of polyurethane was investigated. In comparison to the conventional heating the results show that the microwave heating substantially accelerates the curing process of waterborne polyurethane and the total time for the completion of the reaction is only 1/7 of that in the conventional process. The microwave cured sample showed an excellent caustic resistance compared to conventional cured one. It means that microwave heating produces dense structure during curing process. The dense structure does not affect to the transmittance in the visible region.
引用
收藏
页码：961 / 963
页数：3
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