General chemical modification methods were given. The general modifiers include alcohol, organosilicon compound, polymer and silane coupling agent.
列举了常见的二氧化硅化学改性方法，其改性剂主要有醇、有机硅化合物、聚合物、硅烷偶联剂。
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.
通过对粘土进行物理和化学改性，可制成橡胶补强剂，其补强效果接近或达到白炭黑水平。
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay.
通过对粘土进行物理和化学改性，可制成橡胶补强剂，其补强效果接近或达到白炭黑水平。
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