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Electron beam performance in the novel solventless LDPE–NVP surface grafting system

In this work, solventless grafting of NVP on to LDPE surface was conducted by high-energy electron beam radiation (10 MeV) at dose range 10–200 kGy in absence of solvent. As NVP could not wet LDPE surface, polyvinylpyrrolidone (PVP) (with various k-values and thus various weight percentages) was sol...

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Published in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2006-02, Vol.75 (2), p.236-242
Main Authors: Mirzataheri, M., Morshedian, J.
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description In this work, solventless grafting of NVP on to LDPE surface was conducted by high-energy electron beam radiation (10 MeV) at dose range 10–200 kGy in absence of solvent. As NVP could not wet LDPE surface, polyvinylpyrrolidone (PVP) (with various k-values and thus various weight percentages) was solved in NVP and then this tacky polymer was used for coating and grafting purposes. The FT–IR spectra showed that the concentration of characteristic bands of the NVP -grafted LDPE increased with increasing radiation dose as well as the percentage of grafting significantly increased up to 32%. Furthermore, hydrophilicity, yield of gel content and topology of NVP-grafted LDPE films and sheets were studied.
doi_str_mv 10.1016/j.radphyschem.2005.08.019
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subjects Electron beam
Irradiation
LDPE
NVP
Solventless surface grafting
title Electron beam performance in the novel solventless LDPE–NVP surface grafting system
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