The new rubber reinforcing agents were made by the modification of inorganic fillers, such as clay, coal powder and aluminum sulfate residue with polyvinyl alcohol coupling agent.
以聚乙烯醇类高分子偶联剂作改性剂，对陶土、粉煤灰和硫酸铝渣等无机填料进行改性，制成新型橡胶补强剂。
2
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。
3
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay.