Surface modification of polyurethane film using atmospheric pressure plasma

被引：0
|
作者：
Yang, IY [1 ]
Myung, SW [1 ]
Choi, HS [1 ]
Kim, IH [1 ]
机构：
[1] Chungnam Natl Univ, Dept Chem Engn, Taejon 305764, South Korea
来源：
POLYMER-KOREA | 2005年 / 29卷 / 06期
关键词：
atmospheric pressure plasma; polyurethane film; surface free energy; DPPH method; peroxide;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Commercial polyurethane film (PU) was modified with Ar plasma ionized in dielectric barrier discharge (DBD) plate-type reactor under atmospheric pressure. We measured the change of the contact angle and the surface free energy with respect to the plasma treatment conditions such as treatment time, RF-power, and Ar gas flow rate. We also optimized the plasma treatment conditions to maximize the surface peroxide concentration. At the plasma treatment time of 70 sec, the power of 120 W and the Ar gas flow rate of 5 liter per minute (LPM), the best wettability and the highest surface free energy were obtained. The 1,1-diphenyl-2-picrylhydrazyl (DPPH) method confirmed that the surface peroxide concentration was about 2.1 nmol/cm(2) at 80 W, 30 sec, 6 LPM.
引用
收藏
页码：581 / 587
页数：7
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