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Effect of Surface Modification of Polyester Cord on the Adhesion of SBR/Polyester  

Park, Y.S. (Dept. of Polymer Engineering, The University of Suwon)
Chung, K.H. (Dept. of Polymer Engineering, The University of Suwon)
Publication Information
Elastomers and Composites / v.42, no.2, 2007 , pp. 75-85 More about this Journal
Abstract
In this study, the new adhesion system was studied to improve the adhesion strength between polyester cord and rubber matrix. In order to enhance the adhesion strength through polyester cord's surface treatment, the NaOH solution was used. The NaOH solution concentrations of 0.03, 0.05, 0.1, 0.2, 0.5, 1 and 5 wt.% were used in surface modifying the polyester cord. The optimum condition showing the maximum adhesion strength of polyester cord with SBR compound containing bonding agent was at NaOH concentration of 0.05 wt.% with treatment time of 10 minutes. When the NaOH solution concentration was above 1 wt.%, the polyester cord due to the excess surface modification was damaged, and resulted in breakage during the adhesion test. Also, the adhesion strength between polyester and SBR could be improved by coating the polyester cord with triallylcyanurate(TC) adhesive. The drying condition of polyester cord coated with TC attributed to the adhesion strength. The maximum adhesion strength was obtained by using the polyester cord dried at $220^{\circ}C$ rather than dried at room temperature.
Keywords
polyester cord; SBR; surface modification; triallylcyanurate adhesive; adhesion strength;
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