Fluorination of polymers by means of He/CF4-fed atmospheric pressure glow dielectric barrier discharges

被引：33
|
作者：
Fanelli, Fiorenza [1 ]
Fracassi, Francesco [1 ]
d'Agostino, Riccardo [1 ]
机构：
[1] Univ Bari, Dipartmento Chim, IMIP CNR, I-70126 Bari, Italy
来源：
PLASMA PROCESSES AND POLYMERS | 2008年 / 5卷 / 05期
关键词：
D O I：
10.1002/ppap.200800012
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
He/CF4-fed GDBDs were used to fluorinate PP and PET. The effect of various process parameters on the polymers surface composition and morphology, as well as on their wettability was investigated inside the GDBD existence domain. An extensive surface fluorination of treated polymers due to the grafting of F atoms and CFX radicals was observed. The increase of CF4 concentration in the feed, of treatment duration, and of excitation frequency resulted in an increase of the fluorination degree corresponding to F/C ratios as high as 1.18 and 1.22 for PP and PET, respectively. The emission spectra of GDBDs fed by helium in mixture with CF4, CHF3, C2F6 and C3F8 were compared.
引用
收藏
页码：424 / 432
页数：9
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