scholarly journals A Novel Approach of Promoting Adhesion of Reinforcing Cord to Elastomers by Plasma Polymerization

Polymers ◽  
2019 ◽  
Vol 11 (4) ◽  
pp. 577 ◽  
Author(s):  
Wilma Dierkes ◽  
André Louis ◽  
Jacques Noordermeer ◽  
Anke Blume
Keyword(s):  
Plasma Treatment ◽  
Polyethylene Terephthalate ◽  
Plasma Polymerization ◽  
Promising Alternative ◽  
Resorcinol Formaldehyde ◽  
Plasma Activation ◽  
Novel Approach ◽  
Adhesion System ◽  
Adhesion Level ◽  
Sulfur Containing

Adhesion of cords to elastomers is crucial for many elastomeric products, such as tires and V-belts. The best adhesion system so far is based on a combination of resorcinol, formaldehyde, and a latex (RFL). However, this cord treatment has serious disadvantages in terms of processing and toxicity. A promising alternative is a plasma treatment of the cords prior to be embedded in the elastomer. For rayon cords, a plasma polymerization of sulfur-containing precursors results in adhesion levels close to RFL treatment. However, for polyethylene terephthalate (PET) cords, this treatment is not satisfactory. For this type of cords, a water-plasma activation followed by a silane dip is more promising, as 72% of the adhesion level of RFL treatment could be achieved. For rayon, an even higher adhesion level was realized.

Development of Oxidized Sulfur Polymer Films through a Combination of Plasma Polymerization and Oxidative Plasma Treatment

Langmuir ◽  
2014 ◽  
Vol 30 (5) ◽  
pp. 1444-1454 ◽  
Author(s):  
Behnam Akhavan ◽  
Karyn Jarvis ◽  
Peter Majewski
Keyword(s):  
Plasma Treatment ◽  
Polymer Films ◽  
Plasma Polymerization

scholarly journals Biomaterial Embedding Process for Ceramic–Polymer Microfluidic Sensors

Sensors ◽  
2020 ◽  
Vol 20 (6) ◽  
pp. 1745 ◽  
Author(s):  
Witold Nawrot ◽  
Karol Malecha
Keyword(s):  
Plasma Treatment ◽  
Anodic Bonding ◽  
Plasma Modification ◽  
Biochemical Processes ◽  
Angle Measurements ◽  
Plasma Activation ◽  
Microfluidic Sensors ◽  
Contact Angle Measurements ◽  
Novel Method ◽  
Sample Structure

One of the major issues in microfluidic biosensors is biolayer deposition. Typical manufacturing processes, such as firing of ceramics and anodic bonding of silicon and glass, involve exposure to high temperatures, which any biomaterial is very vulnerable to. Therefore, current methods are based on deposition from liquid, for example, chemical bath deposition (CBD) and electrodeposition (ED). However, such approaches are not suitable for many biomaterials. This problem was partially resolved by introduction of ceramic–polymer bonding using plasma treatment. This method introduces an approximately 15-min-long window for biomodification between plasma activation and sealing the system with a polymer cap. Unfortunately, some biochemical processes are rather slow, and this time is not sufficient for the proper attachment of a biomaterial to the surface. Therefore, a novel method, based on plasma activation after biomodification, is introduced. Crucially, the discharge occurs selectively; otherwise, it would etch the biomaterial. Difficulties in manufacturing ceramic biosensors could be overcome by selective surface modification using plasma treatment and bonding to polymer. The area of plasma modification was investigated through contact-angle measurements and Fourier-transform infrared (FTIR) analyses. A sample structure was manufactured in order to prove the concept. The results show that the method is viable.

Plasma Coating and Enhanced Dispersion of Carbon Nanotubes

2003 ◽  
Vol 791 ◽  
Author(s):  
Peng He ◽  
Jie Lian ◽  
Donglu Shi ◽  
Lumin Wang ◽  
Wim van Ooij ◽  
...  
Keyword(s):  
Thin Film ◽  
Carbon Nanotubes ◽  
Plasma Treatment ◽  
Polymer Films ◽  
Plasma Polymerization ◽  
Plasma Coating ◽  
Experimental Results ◽  
Multi Wall Carbon Nanotubes ◽  
Aligned Carbon Nanotubes ◽  
Ultrathin Polymer Films

ABSTRACTUltrathin polymer films have been deposited on both multi-wall and aligned carbon nanotubes using a plasma polymerization treatment. TEM experimental results showed that a thin film of polystyrene layer (several nanometers) was uniformly deposited on the surfaces of the nanotubes including inner wall surfaces of the multi-wall nanotubes. The coated multi-wall nanotubes were mixed in polymer solutions for studying the effects of plasma coating on dispersion. It was found that the dispersion of multi-wall carbon nanotubes in polystyrene composite was significantly improved. The deposition mechanisms and the effects of plasma treatment parameters are discussed.

Multi-Layer Coating of Ultrathin Polymer Films on Nanoparticles of Alumina by a Plasma Treatment

2001 ◽  
Vol 635 ◽  
Author(s):  
Donglu Shi ◽  
Zhou Yu ◽  
S. X. Wang ◽  
Wim J. van Ooij ◽  
L. M. Wang ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Polymer Films ◽  
Ultrathin Films ◽  
Plasma Polymerization ◽  
Single Layer ◽  
Process Time ◽  
Transmission Electron ◽  
Ultrathin Polymer Films ◽  
Secondary Ion ◽  
Layer Coating

AbstractMulti-layer ultrathin polymer films have been deposited on the surfaces of nanoparticles of alumina using a plasma polymerization treatment. The nanoparticles ranged from 10-150 nm in spherical shapes. High-resolution transmission electron microscopy (HRTEM) experiments showed that an extremely thin film of the pyrrole layer (10-20 Å) was uniformly deposited on the surfaces of the nanoparticles. In particular, the particles of all sizes (10-150 nm) exhibited equally uniform ultrathin films indicating well-dispersed nanoparticles in the fluidized bed during the plasma treatment. After single layer coating, hexamethyldisiloxane (HMDSO) was coated again as a second layer onto the surface of pyrrole. Subsequently, a third layer of pyrrole was coated on the top of HMDSO film completing the multi-layer coating process. Time-of-Flight Secondary ion mass spectroscopy (TOFSIMS) experiments confirmed the deposition of these multi-layer thin films on the nanoparticles. The deposition mechanisms and the effects of plasma treatment parameters are discussed.

Surface Modification of Block Copolymer Through Sulfur Containing Plasma Treatment

2015 ◽  
Vol 15 (10) ◽  
pp. 8093-8098
Author(s):  
Sang Wook Choi ◽  
Jae Hee Shin ◽  
Min Hwan Jeon ◽  
Jeong Ho Mun ◽  
Sang Ouk Kim ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Block Copolymer ◽  
Plasma Treatment ◽  
Plasma Etching ◽  
Defect Density ◽  
Low Cost ◽  
Mask Layer ◽  
Chemical Inertness ◽  
Next Generation Lithography ◽  
Sulfur Containing

Some of the important issues of block copolymer (BCP) as an application to the potential low cost next generation lithography are thermal stability and deformation during pattern transfer process in addition to defect density, line edge/width roughness, etc. In this study, sulfur containing plasma treatment was used to modify the BCP and the effects of the plasma on the properties of plasma treated BCP were investigated. The polystyrene hole pattern obtained from polystyrene polystyreneblock-poly(methylmethacrylate) (PS-b-PMMA) was initially degraded when the polystyrene hole was annealed at 190°C for 15 min. However, when the hole pattern was treated using sulfur containing plasmas using H2S or SF6 up to 2 min, possibly due to the sulfurization of the polystyrene hole surface, no change in the hole pattern was observed after the annealing even though there is a slight change in hole shapes during the plasma treatment. The optimized plasma treated polystyrene pattern showed the superior characteristics as the mask layer by showing better thermal stability, higher chemical inertness, and higher etch selectivity during plasma etching.

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