Abstract
The purpose of this study is to develop a standard methodology for measuring the surface free energy (SFE), and its component parts of bamboo fiber materials. The current methods was reviewed to determine the surface tension of natural fibers and the disadvantages of techniques used were discussed. Although numerous techniques have been employed to characterize surface tension of natural fibers, it seems that the credibility of results obtained may often be dubious. In this paper, critical surface tension estimates were obtained from computer aided machine vision based measurement. Data were then analyzed by the least squares method to estimate the components of SFE. SFE was estimated by least squares analysis and also by Schultz’ method. By using the Fowkes method the polar and disperse fractions of the surface free energy of bamboo fiber materials can be obtained. Strictly speaking, this method is based on a combination of the knowledge of Fowkes theory. SFE is desirable when adhesion is required, and it avoids some of the limitations of existing studies which has been proposed. The calculation steps described in this research are only intended to explain the methods. The results show that the method that only determines SFE as a single parameter may be unable to differentiate adequately between bamboo fiber materials, but it is feasible and very efficient. In order to obtain the maximum performance from the computer aided machine vision based measurement instruments, this measurement should be recommended and kept available for reference.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Ucar I O, Doganci M D, Cansoy C E, et al. Combined XPS and contact angle studies of ethylene vinyl acetate and polyvinyl acetate blends [J]. Applied Surface Science, 2011, 257(22): 9587–9594.
Liu Chun-jing, Wang Ke-yuan. Atomization quality and charge performance experimentation research on air-assisted electrostatic spraying nozzle [J]. Journal of Zhejiang Forestry College, 2009, 26(1): 116–121 (in Chinese).
Chau T T. A review of techniques for measurement of contact angles and their applicability on mineral surfaces [J]. Minerals Engineering, 2009, 22(3): 213–219.
Lu Jun, Li Ping-ping, Jia Wei-dong, et al. Experiment and analysis on droplets motion and deposition parameters of 3 nozzles [J]. Transactions of the Chinese Society for Agricultural Machinery, 2009, 40(10): 53–57 (in Chinese).
Lu Jun, Zhang Hong-tao, Wei De-yun, et al. Experimental computation process of the surface energy of leaves by acquiring drop image information [J]. Journal of Nanoelectronics and Optoelectronics, 2012, 7(2): 173–176.
Heiskanen V, Marjanen K, Kallio P. Machine vision based measurement of dynamic contact angles in microchannel flows [J]. Journal of Bionic Engineering, 2008, 5(4): 282–290.
Lai Yan-xue, Chi Shu-you, Wang Ya-hong, et al. Pesticide toxicity and selection for the pine wood nematode [J]. Journal of Zhejiang Agriculture and Forestry University, 2011, 28(3): 479–485 (in Chinese).
Yang B, Cao L, Luo Y P. Forced oscillation to reduce zero flow error and thermal drift for nonreciprocal operating liquid ultrasonic flow meters [J]. Flow Measurement and Instrumentation, 2011, 22(4): 257–264.
Lu Jun, Li Ping-ping, Jia Wei-dong, et al. Experiment of axial-flow air-carried toward-target pesticide deposition in greenhouse [J]. Transactions of the Chinese Society for Agricultural Machinery, 2009, 40(12): 88–92 (in Chinese).
Afkhami S, Zaleski S, Bussmann M. A meshdependent model for applying dynamic contact angles to VOF simulations [J]. Journal of Computational Physics, 2009, 228(15): 5370–5389.
Deganello D, Croft T N, Williams A J, et al. Numerical simulation of dynamic contact angle using a force based formulation [J]. Journal of Non-Newtonian Fluid Mechanics, 2011, 166(16): 900–907.
Rüttermann S, Trellenkamp T, Bergmann N, et al. A new approach to influence contact angle and surface free energy of resin-based dental restorative materials [J]. Acta Biomaterialia, 2011, 7(3): 1160–1165.
Lu Jun, Jia Wei-dong, Qiu Bai-jing, et al. Experiment on retention of spray liquid on cucumber leaves [J]. Transactions of the Chinese Society for Agricultural Machinery, 2010, 41(4): 60–64 (in Chinese).
Xu D, Ametov I, Grano S R. Detachment of coarse particles from oscillating bubbles — The effect of particle contact angle, shape and medium viscosity [J]. International Journal of Mineral Processing, 2011, 101(1–4): 50–57.
Borkowski P, Walczuk E. Computerized measurement stands for testing static and dynamic electrical contact welding [J]. Measurement, 2011, 44(9): 1618–1627.
Author information
Authors and Affiliations
Corresponding author
Additional information
Foundation item: the National Natural Science Foundation of China (No. 31101085) and the Scientific Research and Development Foundation for Start-up Projects of Zhejiang Agriculture and Forestry University (No. 2034020044)
Rights and permissions
About this article
Cite this article
Lu, J., Zhang, Ht., Wei, Dy. et al. A method for determining surface free energy of bamboo fiber materials by applying Fowkes theory and using computer aided machine vision based measurement technique. J. Shanghai Jiaotong Univ. (Sci.) 17, 593–597 (2012). https://doi.org/10.1007/s12204-012-1330-9
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s12204-012-1330-9
Key words
- surface free energy
- bamboo fiber materials
- Fowkes theory
- computer aided machine vision based measurement (CAMVBM) technique
- Schultz’ method