Modification of Poly(methyl methacrylate) Surfaces with Oxygen, Nitrogen and Argon Plasma

Date

2014-06-01

Author

Ozgen, Ozge
Hasırcı, Nesrin

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

136
views

0
downloads

Poly(methyl methacrylate) (PMMA) is a strong and lightweight material used in wide range of areas changing from lenses to medical and dental devices. In this study, PMMA samples were modified by oxygen, nitrogen and argon plasma with application of 100 watts 13.56 MHz radio frequency (RF) discharge for different periods (5 min, 15 min and 30 min) and the effects of plasma parameters on surface chemistry, hydrophilicity, surface free energy and topography were examined. XPS analysis showed formation of free carbonyl and carbonate groups by oxygen plasma, carboxylic acid and free carbonyl by argon plasma, and imine, primary amine, amide and nitrozo functional groups by nitrogen plasma treatments. For all cases plasma treatment created more hydrophilic surfaces with lower water contact angles than that of pristine PMMA. Also, plasma caused an increase in the surface free energy and its' polar components determined by Geometric Mean, Harmonic Mean, and Acid-Base approaches. AFM results showed increasing roughness parallel to the duration of plasma. As a result, each plasma treatment caused different functionalities and physical topographies on PMMA surfaces and different functionalities can be used for further developments such as binding specific active molecules to design biosensors or medical devices.

Subject Keywords

PMMA , Surface modification, Oxygen plasma, Nitrogen plasma, Argon plasma, Contact angle, XPS, SFE, AFM

URI

https://hdl.handle.net/11511/30942

Journal

JOURNAL OF BIOMATERIALS AND TISSUE ENGINEERING

DOI

https://doi.org/10.1166/jbt.2014.1194

Collections

Graduate School of Natural and Applied Sciences, Article

Suggestions

OpenMETU
Core

Modification of Acrylic Bone Cements with Oxygen Plasma and Additives Endoğan Tanır, Tuğba; Kızıltay, Aysel; Hasırcı, Vasıf Nejat; Hasırcı, Nesrin (2012-09-01) Acrylic bone cements which are commonly used for the fixation of orthopedic prostheses, were prepared at different formulations, by using either ground poly(methyl methacrylate) (PMMA) particles or homogeneously synthesized PMMA microspheres with application of plasma and addition of various ingredients in order to improve mechanical and thermal properties. PMMA powders having three different particle size (ground and sieved particles with 0-50 mu m (BC1 group, average particle size: 21 mu m) and 50-150 mu ...
Adsorption of blood proteins on glow-discharge-modified polyurethane membranes Kayirhan, N; Denizli, A; Hasırcı, Nesrin (2001-08-08) Polyurethanes are a class of polymers that have a wide range of applications in the medical field although their blood compatibility still needs improvement. In order to obtain medical purity, this study prepared membrane-form polyurethanes from toluene 2,4-diisocyanate (TDI) and poly(propylene ethylene glycol) without the addition of any ingredients such as solvents, catalysts, or chain extenders. The aim was to increase surface hydrophilicity and improve blood compatibility. Therefore, the prepared membra...
Preparation and characterization of hydroxyapatite containing acrylic bone cements Başgörenay, Burcu; Hasırcı, Nesrin; Department of Polymer Science and Technology (2004) Acrylic bone cements are one of the most important biomaterials used in orthopaedic surgery and dental applications to fill the cavities or provide mechanical interlock between prosthesis and the bone. Their biocompatibility can be increased by addition of different materials into the formulation, such as hydroxyapatite. Besides all the advantages, bone cements have several drawbacks including tissue necrosis, chemical necrosis, shrinkage of the cement and aseptic loosening. Therefore painstaking research a...
Stabilization of langmuir and langmuir blodgett cetyltrimethylammonium bromide monolayers by gluing with polystyrene sulfonate Utku, Nezaket Nehir; Bayramlı, Erdal; Volkan, Mürvet; Department of Polymer Science and Technology (2015) Organic thin films have wide range application areas such as biosensors, permeation selective barriers, molecular electronics, optical devices and coatings. The properties of such films can be tuned by their composition, structure and uniformity. Stability of obtained films has also an important factor in the fabrication and the transfer of the films. For this aim, Langmuir is an elegant technique for both the production and deposition of monolayers onto a solid support. Herein, some optimization studies su...
SURFACE TREATMENT OF POLYPROPYLENE USING A CAPACITIVELY COUPLED PLASMA SYSTEM Mecit, Giray; Yedierler, Burak; Department of Physics (2022-2-11) Gaseous plasmas are suitable for various applications in material science, including but not limited to thin film productions and coatings, tailoring the surface properties of polymers. This study aims to characterize a capacitively coupled plasma system utilized in material processing applications. The system utilizes a 13.56 MHz radio frequency source to produce gaseous plasmas. The correlation between the produced plasmas and the surface physical and surface chemical properties of polypropylene treated b...

Citation Formats

O. Ozgen and N. Hasırcı, “Modification of Poly(methyl methacrylate) Surfaces with Oxygen, Nitrogen and Argon Plasma,” JOURNAL OF BIOMATERIALS AND TISSUE ENGINEERING, pp. 479–487, 2014, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/30942.