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Surface Modifications Produced by N2 and O2 RF Plasma Treatment on a Synthetic Vulcanized Styrene-Butadiene Rubber
Springer Science and Business Media LLC - Tập 6 - Trang 81-105 - 2001
A low-pressure gas RF plasma-treatment has been used to improve the adhesion of a synthetic vulcanized rubber to polyurethane adhesive as an environmentally friendly alternative surface treatment to the conventional chemical treatments. A sulfur vulcanized styrene-butadiene rubber (R2) containing a noticeable amount of zinc stearate and paraffin wax (both providing a lack of adhesion) in its formu...... hiện toàn bộ
Affinity binding on argon plasma-immobilized biotinylated phospholipids
Springer Science and Business Media LLC - Tập 1 - Trang 261-277 - 1996
Dioleoylphosphatidylcholine (DOPC) and N-biotinyl-dioleoylphosphatidylethanolamine (bDOPE) were covalently bonded to polystyrene surfaces by exposure to argon radio frequency (RF) plasmas. Characterization by electron spectroscopy for chemical analysis (ESCA) for P-, N- and O-contents revealed net increases in oxygen species, but no significant changes in P/N ratios due to the different plasma tre...... hiện toàn bộ
Optical emission from tetrafluoromethane plasma and its relationship to surface modification of hexatriacontane
Springer Science and Business Media LLC - Tập 1 - Trang 65-85 - 1996
The optical emission from tetrafluoromethane plasma (2% argon included) has been studied by emission spectroscopy. The evolution ofCF
*,CF
2
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, andF emissions has been followed during the treatment of an organic surface. An-alkane, hexatriacontane, has been used as a model for high density polyeth...... hiện toàn bộ
Kinetics of DC Discharge Plasma Polymerization of Hexamethyldisiloxane and Pyrrole
Springer Science and Business Media LLC - Tập 3 - Trang 1-21 - 1998
This paper investigates DC plasma polymerization kinetics by combining plasma parameters with film deposition rate in different conditions. The monomers hexamethyldisiloxane (HMDSO) and pyrrole were used. Both single and double Langmuir probes were used to measure the plasma parameters in pulsed power and continuous discharges. In order to avoid probe tip contamination, the probe was heated. Plasm...... hiện toàn bộ
Behavior of Plasma-Treated Elastomeric Polydimethylsiloxane Coatings in Aqueous Environment
Springer Science and Business Media LLC - Tập 3 - Trang 23-34 - 1998
Plasma treatment is a useful way of enhancing the wettability of polydimethylsiloxane (PDMS). The subsequent recovery of hydrophobicity in air once treatment is discontinued is well known, but less has been reported about the effect of the storage environment. Water storage is the most relevant, with some reports that this stops the hydrophobic recovery of plasma-treated Medical Grade PDMS elastom...... hiện toàn bộ
Modification of Polyimide in Barrier Discharge Air-Plasmas: Chemical and Morphological Effects
Springer Science and Business Media LLC - - 2000
Chemical and physical modifications of polyimide (PI) surfaces caused by an air plasma have been studied. The plasma-induced surface changes of PI were investigated by using a local dielectric barrier discharge (DBD) in air at atmospheric pressure and room temperature as a function of the plasma exposure time and plasma power, while the excitation frequency was kept constant at about 130 kHz. The ...... hiện toàn bộ
Dimethylketene: Plasma-generated gas-phase precursor of photoluminescence chromophores in plasma polymerized films of methyl methacrylate and tetramethyl-1,3-cyclobutanedione
Springer Science and Business Media LLC - Tập 2 - Trang 165-175 - 1997
Gas-phase chemistry of tetramethyl-1,3-cyclobutanedione (TMCB) and formaldehyde plasmas have been studied within situ Fourier Transform Infrared (FTIR) Spectroscopy. Our previous work indicated that methyl methacrylate (MMA) dissociates to intermediate species of dimethylketene (DMK) and formaldehyde in MMA plasmas. This investigation of DMK dimer (TMCB) and formaldehyde plasmas is a continuation ...... hiện toàn bộ
OH Radicals as Oxidizing Agent for the Abatement of Organic Pollutants in Gas Flows by Dielectric Barrier Discharges
Springer Science and Business Media LLC - Tập 8 - Trang 153-161 - 2003
OH radicals play an essential role in various plasma-chemical processes aimed at the abatement of organic and inorganic pollutants from off-air flows. We report about the oxidation of carbon monoxide in nonthermal air and nitrogen plasmas in dependence on CO inlet concentration and flow humidity. Thereby the reaction CO + OH → CO2 + H served as a diagnostic tool for OH radical determination in the...... hiện toàn bộ
Atomic Oxygen Concentration in a Flowing Post-Discharge Reactor
Springer Science and Business Media LLC - Tập 6 - Trang 71-79 - 2001
Concentration of neutral oxygen atoms in the flowing post-discharge of a pure oxygen microwave discharge at different experimental conditions was determined with a nickel catalytic probe. The post-discharge reactor was setup for metal surface cleaning. It worked at the pressure between 20 and 100 Pa and at output power of the microwave plasma generator between 80 and 150 W. At those experimental c...... hiện toàn bộ
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