Abstract
Vulcanized rubber surface was modified by dielectric barrier discharge (DBD) plasma system. The hydrophilic surface can be achieved in the shortly treatment and confirmed by contact angle measurement. The increasing hydrophilic group on rubber surface was monitored by Attenuated total reflectance fourier transform infrared spectrometer called as ATR-FTIR. The surface roughness was investigated to decrease from 202.13 to 82.02 nm after DBD plasma at treatment time 180s.The optimum conditions for making contact angle lower to 22 degree by DBD plasma treatment in this work were; treatment time, 15 s; input voltage on a neon sign transformer, 200 V; electrode gap, 6 mm.
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