Optimization of Cyclopropylamine Plasma Polymerization toward Enhanced Layer Stability in Contact with Water

被引:61
作者
Manakhov, Anton [1 ]
Zajickova, Lenka [1 ]
Elias, Marek [1 ]
Cechal, Jan [2 ]
Polcak, Josef [2 ]
Hnilica, Jaroslav [3 ]
Bittnerova, Stepanka [1 ]
Necas, David [1 ]
机构
[1] Masaryk Univ, CEITEC Cent European Inst Technol, CS-61137 Brno, Czech Republic
[2] Brno Univ Technol, CEITEC Cent European Inst Technol, Brno 61600, Czech Republic
[3] Masaryk Univ, Fac Sci, Dept Phys Elect, CS-61137 Brno, Czech Republic
关键词
amine coatings; cyclopropylamine; ESCA; XPS; FT-IR; pulsed discharges; ORGANIC THIN-FILMS; CONTINUOUS-WAVE; ALLYLAMINE; DEPOSITION; MEMBRANES; SURFACES; XPS;
D O I
10.1002/ppap.201300177
中图分类号
O59 [应用物理学];
学科分类号
摘要
The present investigation of cyclopropylamine (CPA) plasma polymerization in pulsed and continuous wave radio frequency (RF) discharges leads to the proposition of conditions at which amine-rich films exhibit a good stability in contact with water. The analyses reveal complex structure of CPA plasma polymers containing hydrocarbon chains, primary and secondary amines, nitriles and possibly imines. The decomposition of the monomer in plasma is progressing with the composite parameter W/F (RF power over monomer flow rate) but, in pulsed discharges, it is possible to deposit the films with N/C ratio above 0.24 using higher monomer flow rate. At the optimized monomer flow rate the 280nm thick film exhibits only 20% thickness loss after 48h immersion in water and still contains about 5at% of the NHx environment.
引用
收藏
页码:532 / 544
页数:13
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