EFFECT OF OXYGEN PLASMA PRETREATMENT AND TITANIUM DIOXIDE OVERLAY COATING ON FLAME RETARDANT FINISHED COTTON FABRICS. Yin Ling Lam,* Chi Wai Kan, and Chun Wah Yuen. Flammability properties of plasma pretreated cotton …
· Flammability properties of plasma pretreated cotton fabrics subjected to flame-retardant treatment were studied. Plasma pretreatment, using an atmospheric pressure …
· Moreover, for cotton fabrics [7][8][9][10], RF plasma oxygen was used to generate the surface activation for preliminary surface preparation to be treated with ZnO …
· Corpus ID:; EFFECT OF OXYGEN PLASMA PRETREATMENT AND TITANIUM DIOXIDE OVERLAY COATING ON FLAME RETARDANT FINISHED …
Plasma pretreatment, using an atmospheric pressure plasma jet (APPJ), was applied to cotton fabrics to enhance material properties, while retaining inherent advantages of the …
Flammability properties of plasma pretreated cotton fabrics subjected to flame-retardant treatment were studied. Plasma pretreatment, using an atmospheric pressure plasma jet …
· The high reactivity and poor machinability of titanium contribute to its high-cost fabrication, low material utilization rate, and large amount of titanium scrap production. …
· Herein, we examined the effects of titanium implant material, which was conferred superhydrophilicity by atmospheric-pressure plasma treatment, on the …
· XRD, laser scanning microscope were employed in this research to characterize the chemical and physical properties of the Q235 surface before and after treatment. The …
· The effect of O2 plasma pretreatment on the SiO2/Si interface property was studied using direct plasma varying the plasma power, He or Ar/O2 ratio and the pretreatment time.
Plasma pretreatment, using an atmospheric pressure plasma jet (APPJ), was applied to cotton fabrics to enhance material properties, while retaining inherent advantages of the substrates. An organic phosphorus compound (flame-retardant agent, FR) together with a melamine resin (crosslinking agent, CL) and phosphoric acid (catalyst, PA) were used.
Flammability properties of plasma pretreated cotton fabrics subjected to flame-retardant treatment were studied. Plasma pretreatment, using an atmospheric... DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
Flammability properties of plasma pretreated cotton fabrics subjected to flame-retardant treatment were studied. Plasma pretreatment, using an atmospheric pressure plasma jet (APPJ), was applied to cotton fabrics to enhance material properties, while retaining inherent advantages of the substrates. An organic phosphorus compound (flame-retardant agent, …
· EFFECT OF OXYGEN PLASMA PRETREATMENT AND TITANIUM DIOXIDE OVERLAY COATING ON FLAME RETARDANT FINISHED COTTON FABRICS Yin Ling Lam,* Chi Wai Kan, and Chun Wah Yuen Flammability properties of plasma pretreated cotton fabrics subjected to flame-retardant treatment were studied. Plasma pretreatment, …
Under a treating condition of 20 W for 30 min, oxygen plasma treatment could penetrate into the inner scaffold. After 6 days incubation, the apatite formed in plasma-treated scaffold was better distributed than in untreated scaffold, and the weight and mechanical strength of the plasma-treated scaffold were both enhanced.
· Hydrophobic and oleophilic Si-based cotton fabrics have recently gained a lot of attention in oil/water separation due to their high efficiency. In this study, we present the effect of O2 plasma pre-treatment on the final properties of two Si-based cotton membranes obtained from dip coating and plasma polymerization, using polydimethylsiloxane …
· To address these shortcomings, oxygen (O₂) plasma was used to pretreat the surface of PI substrates using a plasma-enhanced chemical vapor deposition system before the FZO films were deposited. The effects of O₂ plasma pretreatment time on the surface water contact angle, surface morphologies, and optical properties of the PI substrates ...
· Fig. 3. The effect of oxygen flow rate in plasma pretreatment on the results of WRA. In case of jet distance, it is necessary to select a suitable jet distance in order to achieve the best plasma effect. In this study, when the distance between the plasma jet nozzle and the substrate surface was far enough, i.e. 5mm, plasma species
· For the oxygen plasma treatment the samples were inserted into a low-pressure radio-frequency (rf) plasma chamber. The plasma treatment was performed at a working pressure of 20 mTorr, an oxygen flow of 40 sccm, and room temperature. The oxygen plasma power and exposure time were varied from 10 to 150 W and from 10 to …
· In order to improve the high-temperature oxidation resistance of refractory high-entropy alloys (RHEAs), we used micro-arc oxidation (MAO) technology to prepare ceramic coatings on AlTiCrVZr alloy, and the effects of voltage on the microstructure and high-temperature oxidation resistance of the coatings were studied. In this paper, the …
Flammability properties of plasma pretreated cotton fabrics subjected to flame-retardant treatment were studied. Plasma pretreatment, using an atmospheric... DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
· The high reactivity and poor machinability of titanium contribute to its high-cost fabrication, low material utilization rate, and large amount of titanium scrap production. Titanium scrap is mainly contaminated by oxygen and forms an oxygen-enriched layer on the surface of titanium. Oxygen has a deleterious effect on the ductility, toughness, and …
Under a treating condition of 20 W for 30 min, oxygen plasma treatment could penetrate into the inner scaffold. After 6 days incubation, the apatite formed in plasma-treated scaffold was better distributed than in untreated scaffold, and the weight and mechanical strength of the plasma-treated scaffold were both enhanced.
· To carry out oxygen plasma treatment (OPT), the samples were put into the quartz chamber of the plasma cleaner (Harrick Plasma, NY, USA) and treated with OP. The oxygen pressure of 5~6×10-1 torr and power of 18 watts were adopted to generate OP in the quartz chamber. Three kinds of samples, CP-Ti, Ti6Al4V and sputtered Ti, were …
· ObjectiveThis research was designed to investigate the effects of low pressure radio-frequency (RF) oxygen plasma treatment (OPT) on the surface of commercially pure titanium (CP-Ti) and Ti6Al4V. Surface topography, elemental composition, water contact angle, cell viability, and cell morphology were surveyed to evaluate the biocompatibility of …
· Fig. 3. The effect of oxygen flow rate in plasma pretreatment on the results of WRA. In case of jet distance, it is necessary to select a suitable jet distance in order to achieve the best plasma effect. In this study, when the distance between the plasma jet nozzle and the substrate surface was far enough, i.e. 5mm, plasma species
· In this research work the effect of plasma treatment with nitrogen gas followed by nanoclay treatment on flame retardancy of cotton fabrics is studied. The flame retardancy of the samples was characterized by limiting oxygen index and the char yield. The thermal decomposition behaviors, the chemical structures and morphologies of the fabrics were …
An experimental effort has been undertaken to examine the effect of plasma pretreatment of various substrate materials coated with a polymer in the parylene family. This report describes the procedure and discusses initial data which indicate using plasmas of argon and oxygen to promote adhesion of parylene coatings upon many difficult-to-bond …
· In this article, the optimum conditions for the plasma pretreatment on the basis of the result of the wrinkle-recovery angle were analyzed with an L 9 (3) 3 orthogonal array testing strategy technique. The results showed that plasma treatment conditions with (1) a 10 mm/s speed, (2) a 0.1 L/min oxygen flow rate, and (3) a 4-mm jet-to-substrate ...
· In order to improve the high-temperature oxidation resistance of refractory high-entropy alloys (RHEAs), we used micro-arc oxidation (MAO) technology to prepare ceramic coatings on AlTiCrVZr alloy, and the effects of voltage on the microstructure and high-temperature oxidation resistance of the coatings were studied. In this paper, the …
· Titanium (Ti) has achieved extensive applications due to its excellent biocompatibility and mechanical properties. Plasma can enhance surface hydrophilia of Ti with decreased carbon contamination.
In this study, polyurethane (PU) scaffolds were fabricated by electrospinning technology and modified through the deposition of polydopamine (PDA) on the activated surface under oxygen plasma treatment. Herein, the effect of the modification process on the homogeneous surface coating and the changes in the physicochemical and biological …
The preparation of the metal surface before coating application is fundamental in determining the properties of the coatings, particularly the roughness, adhesion, and corrosion resistance. In this work, chitosan/Eudragit E 100 (chit/EE100) were fabricated by electrophoretic deposition (EPD) and both their microstructure and properties were …
· These results show the favourable effect of an increase in RF-plasma pretreatment time up to 30 min for PES–TiO 2 samples, enhancing OH radical generation upon illumination. The OH radicals produced on …
New Research and Testing Equipment for Highly Technical Surface Treatment. Plasmatreat constantly faces shifting demands as a result of new ideas, regulations, and standards. Customers are increasingly approaching the company with unique and innovative project requests. Consequently, the capacities of the technology and research center will now ...
· One study Reference Lefebvre and Baril 8 presented the effect of oxygen and oxygen distribution on the properties of pure titanium foams. The method used to modify the oxygen concentration and distribution was a low temperature (350–450 °C in Ar-20% O) oxidation and solution treatment (1000 °C in vacuum).
· Here, we evaluated time-dependent changes in the effects of ultraviolet (UV) and nonthermal atmospheric pressure plasma (NTAPPJ) on the biological activity of titanium compared with that of ...
· In order to improve the high-temperature oxidation resistance of refractory high-entropy alloys (RHEAs), we used micro-arc oxidation (MAO) technology to prepare ceramic coatings on AlTiCrVZr alloy, and the effects of voltage on the microstructure and high-temperature oxidation resistance of the coatings were studied. In this paper, the …
· Download Citation | Growth of GaN Thin Films Using Plasma Enhanced Atomic Layer Deposition: Effect of Ammonia-Containing Plasma Power on Residual Oxygen Capture | In recent years, the application ...
· The effects of oxygen plasma pretreatment and post-annealing on the properties of the HfO2 thin films were investigated. They indicate that the in situ remote plasma pretreatment of Si substrate can result in the formation of better SiO2, resulting in a better chemical passivation. ... (HfO 2) thin films are used to replace SiO 2 as the gate ...