ESCA studies of metal-containing plasma polymers. II. Plasma polymerization of ferrocene, vinylferrocene, and dimethylaminomethylferrocene

1985 ◽  
Vol 23 (2) ◽  
pp. 507-515 ◽  
Author(s):  
H. S. Munro ◽  
J. G. Eaves
Keyword(s):  
Plasma Polymerization ◽  
Plasma Polymers

scholarly journals Advances and challenges in the field of plasma polymer nanoparticles

2017 ◽  
Vol 8 ◽  
pp. 2002-2014 ◽  
Author(s):  
Andrei Choukourov ◽  
Pavel Pleskunov ◽  
Daniil Nikitin ◽  
Valerii Titov ◽  
Artem Shelemin ◽  
...  
Keyword(s):  
Magnetron Sputtering ◽  
Plasma Polymerization ◽  
Rf Magnetron Sputtering ◽  
Polymer Nanoparticles ◽  
Plasma Polymer ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Plasma Polymers ◽  
Nanostructured Surfaces ◽  
Core Shell Nanoparticles

This contribution reviews plasma polymer nanoparticles produced by gas aggregation cluster sources either via plasma polymerization of volatile monomers or via radio frequency (RF) magnetron sputtering of conventional polymers. The formation of hydrocarbon, fluorocarbon, silicon- and nitrogen-containing plasma polymer nanoparticles as well as core@shell nanoparticles based on plasma polymers is discussed with a focus on the development of novel nanostructured surfaces.

scholarly journals Surface Antifouling Modification on Polyethylene Filtration Membranes by Plasma Polymerization

Materials ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 5020
Author(s):  
An-Li Hou ◽  
Szu-Yi Wang ◽  
Wen-Pin Lin ◽  
Wei-Hsuan Kuo ◽  
Tsung-Jen Wang ◽  
...  
Keyword(s):  
Ethylene Oxide ◽  
Vinyl Ether ◽  
Photoelectron Spectroscopy ◽  
Mammalian Cells ◽  
Plasma Polymerization ◽  
Chinese Hamster ◽  
Single Step ◽  
Water Contact ◽  
Plasma Polymers ◽  
Naoh Solution

Surface modification on microporous polyethylene (PE) membranes was facilitated by plasma polymerizing with two hydrophilic precursors: ethylene oxide vinyl ether (EO1V) and diethylene oxide vinyl ether (EO2V) to effectively improve the fouling against mammalian cells (Chinese hamster ovary, CHO cells) and proteins (bovine serum albumin, BSA). The plasma polymerization procedure incorporated uniform and pin-hole free ethylene oxide-containing moieties on the filtration membrane in a dry single-step process. The successful deposition of the plasma polymers was verified by Fourier-transform infrared (FTIR), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS) analyses. Water contact angle measurements and permeation experiments using cell and protein solutions were conducted to evaluate the change in hydrophilicity and fouling resistance for filtrating biomolecules. The EO1V and EO2V plasma deposited PE membranes showed about 1.45 fold higher filtration performance than the pristine membrane. Moreover, the flux recovery reached 80% and 90% by using deionized (DI) water and sodium hydroxide (NaOH) solution, indicating the efficacy of the modification and the good reusability of the modified PE membranes.

Plasma polymerization of tetrafluoroethylene – towards CF2 dominated fluorocarbon films

e-Polymers ◽  
2006 ◽  
Vol 6 (1) ◽  
Author(s):  
Mirko Nitschke ◽  
Steffi Uhlmann ◽  
Roland Schulze ◽  
Carsten Werner
Keyword(s):  
Photoelectron Spectroscopy ◽  
Plasma Polymerization ◽  
Plasma Polymers ◽  
Pronounced Increase ◽  
Fluorocarbon Films ◽  
Process Gas ◽  
Pressure Discharge ◽  
Discharge Gas ◽  
Substrate Temperatures ◽  
Radio Frequency Discharge

AbstractFluorocarbon films with an exceptionally high CF2 content were obtained by plasma polymerization using a low pressure radio frequency discharge operated with a mixture of argon and tetrafluoroethylene. Substrates were placed in a remote position downstream the discharge. Gas pressure, discharge power, substrate position, gas composition and substrate temperature were changed to alter the chemical structure of the plasma polymers. The properties of the films were characterized by X-ray photoelectron spectroscopy (XPS), spectroscopic ellipsometry and contact angle goniometry. A pronounced increase of the CF2 content was obtained for elevated substrate temperatures and increased amounts of tetrafluoroethylene in the process gas. Applied as a model surface in studies of interfacial phenomena on polytetrafluoroethylene (PTFE), transparent PTFE-like thin films enable the use of numerous optical techniques not applicable to common PTFE foils.

scholarly journals Conductivity and Activation Energy in Polymers Synthesized by Plasmas of Thiophene

2019 ◽  
Vol 54 (1) ◽  
Author(s):  
Ma. Guadalupe Olayo ◽  
Guillermo J. Cruz ◽  
Salvador López ◽  
Juan Morales ◽  
Roberto Olayo
Keyword(s):  
Activation Energy ◽  
Plasma Polymerization ◽  
Reaction Times ◽  
Aliphatic Hydrocarbon ◽  
Spherical Particles ◽  
Conductivity Activation Energy ◽  
Plasma Polymers ◽  
Intrinsic Conductivity ◽  
Low Exposure ◽  
Complex Polymers

The electric conductivity, activation energy and morphology of polythiophene synthesized by radiofrequency resistive plasmas are studied in this work. The continuous collisions of particles in the plasma induce the polymerization of thiophene but also break some of the monomer molecules producing complex polymers with thiophene rings and aliphatic hydrocarbon segments. These multidirectional chemical reactions are more marked at longer reaction times in which the morphology of the polymers evolved from smooth surfaces, at low exposure time, to spherical particles with diameter in the 300-1000 nm interval. Between both morphologies, some bubbles are formed on the surface. The intrinsic conductivity of plasma polymers of thiophene synthesized in this way varied in the range of 10-10 to 10-8 S/m; however, the conductivity resulted very sensitive to the water content in the polymers, which produced variations of up to 5 magnitude orders. The activation energy of the intrinsic conductivity was between 0.56 and 1.41 eV, increasing with the reaction time.   Plasma, Polymerization, Polythiophene, Conductivity, Activation Energy

Plasma polymerization in the design of new materials: looking through the lens of maleic anhydride plasma polymers

2022 ◽  
Vol 23 ◽  
pp. 100646
Author(s):  
J. Carneiro de Oliveira ◽  
M. de Meireles Brioude ◽  
A. Airoudj ◽  
F. Bally-Le Gall ◽  
V. Roucoules
Keyword(s):  
Maleic Anhydride ◽  
Plasma Polymerization ◽  
New Materials ◽  
Plasma Polymers

The Effect of Low Pressure Plasma Polymerization Modes on the Properties of the Deposited Plasma Polymers

2016 ◽  
Vol 13 (7) ◽  
pp. 744-751 ◽  
Author(s):  
Dani Zeniieh ◽  
Arpad Mihai Rostas ◽  
Erik Schleicher ◽  
Loic Ledernez ◽  
Stefan Weber ◽  
...  
Keyword(s):  
Plasma Polymerization ◽  
Low Pressure ◽  
Plasma Polymers ◽  
Pressure Plasma ◽  
Low Pressure Plasma
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