Journal
APPLIED SURFACE SCIENCE
Volume 252, Issue 16, Pages 5714-5722Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2005.07.069
Keywords
UV grafting; allylamine; atomic force microscopy; contact angle
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Rubber surface is subjected to ultraviolet radiation (UV) in the presence of allylamine and radiation sensitizer benzophenone (BP). Fourier transform infrared spectral studies reveal the presence of allylamine on the surface. The presence of irregular needle shapes on the surface as observed in scanning electron micrographs also confirms the polymerized allylamine on the surface. Allylamine coatings have been further confirmed from atomic force microscopy (AFM) analysis. Thermogravimetric analysis (TGA) reveals that allylamine coating on the rubber surface lowers the thermal degradation rate. The contact angle between the water and rubber surface decreases for the modified rubber surface confirming the surface modification due to UV surface grafting. (c) 2005 Elsevier B.V. All rights reserved.
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