Evaluation of surface free energy for PMMA films

Date

2008-04-05

Author

Ozcan, Canturk
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

321
views

0
downloads

Surface free energy (SFE) is a property resulted from the chemical structure and the orientation of the molecules at the surface boundary of the materials. For solids, it can be calculated from the contact angles of liquid drops with known surface tension, formed on the solid surface. There are various SFE evaluation methods based on different theoretical assumptions. In this study, SFE and the dispersive, polar, acidic and basic components of the SFE of a polymeric material, poly(methyl methacrylate) (PMMA), were calculated by using Zisman, Saito, Fowkes, Berthelot, Geometric mean, Harmonic mean, and Acid-base approaches. The results obtained from various liquid couples or triplets were compared. (C) 2007 Wiley Periodicals, Inc.

Subject Keywords

Surface free energy, Surface tension, Acidic-basic, Components, Dispersive component, Polar components, Contact angle, Geometric mean, Harmonic mean, Zisman, Saito, Fowkes, Berthelot, PMMA

URI

https://hdl.handle.net/11511/32102

Journal

JOURNAL OF APPLIED POLYMER SCIENCE

DOI

https://doi.org/10.1002/app.27687

Collections

Graduate School of Natural and Applied Sciences, Article

Suggestions

OpenMETU
Core

Investigation of physical properties of quaternary AgGa0.5In0.5Te2 thin films deposited by thermal evaporation Karaagac, H.; Parlak, Mehmet (Elsevier BV, 2010-8) The aim of this study is to understand the structural, optical and photo-electrical properties of the quaternary chalcogenide AgGa 0.5In0.5Te2 thin films deposited onto the glass substrates by thermal evaporation of the single crystalline powder. Energy dispersive X-ray analysis (EDXA) showed remarkable change in atomic percentage of the constituent elements after annealing. The X-ray diffraction (XRD) of the films below the annealing temperature of 300°C indicated the polycrystalline structure with co-exis...
Influence of oxygen plasma modification on surface free energy of PMMA films and cell attachment Ozcan, Canturk; Zorlutuna, Pinar; Hasırcı, Vasıf Nejat; Hasırcı, Nesrin (2007-10-04) For any biomaterial placed into a biological medium, the surface properties of the material, such as porosity, crystallinity, presence and distribution of electrical charge and functional groups are very critical parameters that determine the acceptance or rejection of the material. Applications, especially tissue engineering require some surface modifications at the molecular level without disturbing the bulk properties of the implants in order to enhance the cell attachment on the material. An appropriate...
Construction of phase diagrams to estimate phase transitions at high pressures: A critical point at the solid liquid transition for benzene Ibrahimoglu, Beycan; Üner, Deniz; Veziroglu, Ayfer; Karakaya, Fuat; Ibrahimoglu, Beycan (2021-04-01) Phase diagrams are an integral part of the estimation of material properties in the case of high temperature and pressure. The pressure-temperature (P-T) phase diagram is used to determine the state of aggregation (solid, liquid, gaseous) of a substance under given conditions. This article presents a method to reveal new states in the phase diagram, including the possibility of the plasma state. Using the empirical data of benzene, a critical pressure beyond solid-liquid equilibrium was estimated. It is hig...
Investigation of novel geometrical design concepts for damping treatments Çavuş, Bertuğhan; Özgen, Gökhan Osman; Department of Mechanical Engineering (2022-11) Surface damping treatment concepts are developed utilizing viscoelastic materials as a damping layer where it is applied to the main structure. The main aim for adding these materials is to increase cyclic deformation in the frequency region of interest, which increases dissipated energy from the main structure. Constrained layer damping treatment is the most common, where the viscoelastic layer is constrained by a stiff top layer. Recently, a spacer or standoff layer has been added between the base and con...
Assessing effects of (3-aminopropyl) trimethoxysilane self-assembled layers on surface characteristics of organosilane-grafted moisture-crosslinked polyethylene substrate: A comparative study between chemical vapor deposition and plasma-facilitated in situ grafting methods Sarkari, Navid Mostofi; Doğan, Öznur; Bat, Erhan; Mohseni, Mohsen; Ebrahimi, Morteza (Elsevier BV, 2019-12-15) Silane coupling agents can act as bonding intermediates at the interface of two dissimilar materials by altering surface properties. In this study, (3-aminopropyl) trimethoxysilane (APTMS) was used as a silane precursor for vapor-phase deposition on organosilane-grafted moisture-crosslinked polyethylene (Si-XLPE) substrate. Chemical vapor deposition (CVD) and plasma-facilitated in situ grafting methods (grafting-from and grafting-onto) were employed to graft APTMS, and the consequent effects on surface of S...

Citation Formats

C. Ozcan and N. Hasırcı, “Evaluation of surface free energy for PMMA films,” JOURNAL OF APPLIED POLYMER SCIENCE, pp. 438–446, 2008, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/32102.