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Authors
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Burkert, S. ; Schmidt, T. ; Gohs, U. ; Dorschner, H. ; Arndt, K.-F.
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Title
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Cross-linking of poly(N-vinyl pyrrolidone) films by electron beam irradiation
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Date
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01.09.2007
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Number
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41824
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Abstract
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Biocompatible hydrogels based on poly(N-vinyl pyrrolidone) (PVP) were synthesized by electron beam irradiation of the dry polymer under various conditions. Solgel analysis of the bulk gel (in mm range) gave a dose of gelation of 94 kGy. As seen for various other polymers, the network density rises with the increase in dose. At around 350 kGy, PVP began to decompose. Based on these observations, films in µm range on a silicon wafer were synthesized by electron beam irradiation. Due to irradiation, the films adhered irreversibly on the wafer. Their swelling behavior was analyzed by ellipsometry. 11th Tihany Symposium on Radiation Chemistry
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Publisher
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Radiation Physics and Chemistry
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Wikidata
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Citation
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Radiation Physics and Chemistry 76 (2007) 1324-1328
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DOI
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https://doi.org/10.1016/j.radphyschem.2007.02.024
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Tags
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electron beam irradiation poly(n-vinyl pyrrolidone) network parameter methyl-ether) films
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