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运用正交实验对增强剂YQ1210在瓦楞纸板回用过程中的增强效果进行了初步研究。研究结果表明,当YQ1210用量为0.5%,温度55℃,反应时间120min,pH值为5时,增强效果最佳。同时,利用胶体滴定法分析了添加不同用量YQ1210时纸料的电荷特性,结果表明,当YQ1210用量为0.5%时,纸料呈现较弱的阴离子性,接近电中性,絮聚作用明显。
The orthogonal test was used to study the enhancing effect of the reinforcing agent YQ1210 in the recycling process of corrugated cardboard. The results showed that when the amount of YQ1210 was 0.5%, the temperature was 55 ℃, the reaction time was 120min, the pH value was 5, the enhancement effect was the best. At the same time, colloidal titration method was used to analyze the charge characteristics of the paper when different dosage of YQ1210 was added. The results showed that when YQ1210 dosage was 0.5%, the paper presented a weaker anion, close to neutral, and the flocculation was obvious.