the mechanism which the anionic and cationic surface modifiers both modified the surface of gcc is researchedand studied the applying effect of modified gcc as paper filler the experiment indicatedthe filler distinctly improved the filler retention rate and paper strengt
研究了阴离子表面改性剂和阳离子表面改性剂对GCC表面改性的机理，并研究了改性后的GCC作为纸张填料的应用效果，实验表明，改性后的GCC明显提高了填料的保留率和纸张强度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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