Grafting onto poly(ethylene terephthalate) driven by 172 nm UV light |
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| Authors: | Zhengmao Zhu |
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| Affiliation: | a Department of Applied Science, College of William and Mary, Applied Research Center, 12050 Jefferson Avenue, Suite 601 Newport News, VA 23606, USA
b Free Electron Laser Department, Jefferson Laboratory, Applied Research Center, 12000 Jefferson Avenue, Newport News, VA 23606, USA |
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| Abstract: | The reactivity of the surface of poly(ethylene terephthalate) (PET) film under 172 nm UV irradiation (xenon excimer lamp) towards nitrogen-borne 1-octene, n-nonane and heptafluorodecene vapor was investigated. Materials receiving from 0 to 24 J/cm2 of UV were examined by X-ray photoelectron spectroscopy (XPS), time of flight secondary ion mass spectroscopy (ToF/SIMS), water and mineral oil contact angle measurement and atomic force microscopy (AFM). A uniform nanoscale layer developed on PET surface attributed to the grafting reaction between photolytically-produced polymer radicals and vapor phase molecules. |
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| Keywords: | Photografting Surface characterization Excimer lamp Polymer photochemistry |
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