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Allcock HR, Steely LB, Kim SH, et al. Plasma surface functionalization of poly[bis(2,2,2-trifluoroethoxy)phosphazene] films and nanofibers. Langmuir. 2007;23(15):8103-7doi: 10.1021/la700840j.
Allcock, H. R., Steely, L. B., Kim, S. H., Kim, J. H., & Kang, B. K. (2007). Plasma surface functionalization of poly[bis(2,2,2-trifluoroethoxy)phosphazene] films and nanofibers. Langmuir : the ACS journal of surfaces and colloids, 23(15), 8103-7. https://doi.org/10.1021/la700840j
Allcock, Harry R, et al. "Plasma surface functionalization of poly[bis(2,2,2-trifluoroethoxy)phosphazene] films and nanofibers." Langmuir : the ACS journal of surfaces and colloids vol. 23,15 (2007): 8103-7. doi: https://doi.org/10.1021/la700840j
Allcock HR, Steely LB, Kim SH, Kim JH, Kang BK. Plasma surface functionalization of poly[bis(2,2,2-trifluoroethoxy)phosphazene] films and nanofibers. Langmuir. 2007 Jul 17;23(15):8103-7. doi: 10.1021/la700840j. Epub 2007 Jun 23. PMID: 17590030.
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Langmuir. 2007 Jul 17;23(15):8103-7. doi: 10.1021/la700840j. Epub 2007 Jun 23.

Plasma surface functionalization of poly[bis(2,2,2-trifluoroethoxy)phosphazene] films and nanofibers.

Langmuir : the ACS journal of surfaces and colloids

Harry R Allcock, Lee B Steely, Seong H Kim, Jeong H Kim, Bang-Kwon Kang

Affiliations

  1. Department of Chemistry, The Pennsylvania State University, 104 Chemistry Research Building, University Park, PA 16802, USA. [email protected]

PMID: 17590030 DOI: 10.1021/la700840j

Abstract

Polyphosphazenes are a class of hybrid organic-inorganic macromolecules with high thermo-oxidative stability and good solubility in many solvents. Fluoroalkoxy phosphazene polymers also have high surface hydrophobicity. A method is described to tune this surface property while maintaining the advantageous bulk materials characteristics. The polyphosphazene single-substituent polymer, poly[bis(2,2,2-trifluoroethoxy)phosphazene], with flat film, fiber mat, or bead mat morphology was surface functionalized using an atmospheric plasma treatment with oxygen, nitrogen, methane, or tetrafluoromethane/hydrogen gases. Surface chemistry changes were detected by static water contact angle (WCA) measurements as well as X-ray photon spectroscopy (XPS). It was found that changes in the WCA of as much as 150 degrees occurred, accompanied by shifts in the ratio of elements on the polymer surface as detected by XPS. Overall this plasma technique provides a convenient method for the generation of specific surface characteristics while maintaining the hydrophobicity of the bulk material.

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