| 谭义秋,卢莹莹,陈缘,黄金艳,许建本.机械活化木薯淀粉的季铵阳离子改性及其对纸张强度性能的影响[J].中国造纸,2026,45(8):188-196 |
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| 机械活化木薯淀粉的季铵阳离子改性及其对纸张强度性能的影响 |
| Study on Quaternary Ammonium Cationic Modification of Mechanically Activated Cassava Starch and Its Effect on Paper Strength |
| 收稿日期：2026-02-02 修订日期：2026-02-24 |
| DOI：10.11980/j.issn.0254-508X.2026.08.020 |
| 关键词: 机械活化 木薯淀粉 季铵阳离子改性淀粉 抗张指数 |
| Key Words:mechanical activation cassava starch quaternary ammonium cationic starch tensile index |
| 基金项目:广西民族师范学院2022年度高层次人才项目（2022GCC001）；广西高校中青年教师基础能力提升项目（2025KY0930）；广西民族师范学院科研经费资助项目（2022YB017）。 |
| 作者 | 单位 | 邮编 | | 谭义秋* | 广西民族师范学院化学与材料学院,广西崇左,532200 | 532200 | | 卢莹莹 | 广西民族师范学院化学与材料学院,广西崇左,532200 | 532200 | | 陈缘 | 广西民族师范学院化学与材料学院,广西崇左,532200 | 532200 | | 黄金艳 | 广西民族师范学院化学与材料学院,广西崇左,532200 | 532200 | | 许建本* | 广西民族师范学院化学与材料学院,广西崇左,532200 | 532200 |
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| 摘要:为探究季铵阳离子改性机械活化淀粉对纸张抗张强度的影响，以球磨60 min的木薯淀粉（M-st2）为原料、3-氯-2-羟丙基三甲基氯化铵为醚化剂，制备了季铵阳离子改性机械活化淀粉（M-st4）。经单因素和响应面优化实验，确定最佳工艺条件为：M-st2 15 g，醚化剂10 mL，体积分数85%乙醇100 mL，反应时间90 min，反应温度55 ℃。结果表明，在此条件下制得M-st4的取代度和反应效率分别为0.72和94.78%，相较未机械活化季铵阳离子改性淀粉（M-st3）的取代度（0.20）和反应效率（26.08%）分别提高了260.0%、263.4%；M-st4涂布纸抗张指数（42.5 N·m/g）比M-st3涂布纸抗张指数（30.5 N·m/g）提高了39.3%。 |
| Abstract:To investigate the effects of mechanical activation and quaternary ammonium cationic starch on the tensile strength of paper， quaternary ammonium cationic starch with mechanical activation (M-st4) was prepared， using ball-milled cassava starch (M-st2， activated for 60 min) as the raw material and 3-chloro-2-hydroxypropyltrimethylammonium chloride as the etherifying agent. Through single-factor and response surface optimization experiments， the optimal process conditions were determined as follows： 15 g of M-st2， 10 mL of etherifying agent， and 100 mL of 85% vol ethanol solution， with reaction time of 90 min， and reaction temperature of 55 ℃. The results showed that under these conditions， the degree of substitution (DS) and reaction efficiency of M-st4 reached 0.72 and 94.78%， respectively， increased of 260.0% and 263.4% compared with those of quaternary ammonium cationic cassava starch without mechanical activation (M-st3， DS of 0.20， reaction efficiency of 26.08%). Furthermore， the tensile index of paper coated with M-st4 (42.5 N·m/g) was 39.3% higher than that of paper coated with M-st3 (30.5 N·m/g). |
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