Modification of rubber surface by UV surface grafting |
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| Authors: | AM Shanmugharaj Sung Hun Ryu |
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| Institution: | a Department of Chemical Engineering, College of Environment and Applied Chemistry, Kyung Hee University, Yongin 449701, Republic of Korea
b Department of Polymer Science and Engineering, Gyeongsang National University, Republic of Korea |
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| Abstract: | 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. |
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| Keywords: | 61 80 Ba 33 20 Ea 68 37 Hk 68 37 Ps 81 70 Pg |
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