Abstract
A modification of natural rubber latex(NRL) grafted with perfluoroalkylethyl methacrylate(Zonyl TM) under sensitizer butyl acrylate(BA) by()~(60)Co gamma ray emulsion copolymerization was presented in this paper.The components of the NRL films were studied by Fourier-transfer infrared(FT-IR) spectrometry.The contact angle(CA) analysis showed that the NRL films exhibited a high water contact angle after modification,which changed of 81.1 degree to 110 degree.The surface analysis of X-ray photoelectron spectroscopy(XPS) revealed that the fluorinated segments were preferentially self-organized at the film-air surface.Furthermore,the effect of the Zonyl TM and BA contents on the properties of NRL films was discussed by CA in detail.It showed that the NRL films with 0.94 wt% Zonyl TM and 2.77 wt% or 4.55 wt% BA had better modification effect than the others.
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