The activation grade of the modified nano-calcium carbonate reaehed 1, which shows the surface of the nano-CaCO_3 was modified from hydrophilic to hydrophobic.
活化度为1，表明改性后的纳米碳酸钙已经由亲水性变为疏水性。
The modified PP fiber was prepared by blending a dispersant, nano-calcium carbonate and polypropylene (PP) chips at a specific ratio.
将分散剂、纳米碳酸钙和聚丙烯(PP)切片按一定比例混合纺丝制得改性PP纤维。
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