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Study on Use of Modified Clay as Reinforcing Agent of Rubber

Wei Congrong,Wei Yongcong,Wu Jihuai and Zhang Jingyang (Oversea Chinese University 362011)  
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay.The reinforcing effect of said agent is similar to that of silica.The cost is significantly decreased when it is replaced for silica in the rubber product whose density is not so critical.The effects of the coupling agents KH 845 4 and KR 38S on the modification of clay and silk mica have been investigated.The results show that the reinforcing effect of the clay modified with KH 845 4 is much better than that of the clay modified with KR 38S;in contrast,KR 38S is more effective than KH 845 4 for the silk mica.
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