This kind of cationic chitosan is a good dry strength additive for bleached bagasse pulp,the tear index increases by 28.12% when the cationic chitosan(DS=1.27) dosage is 0.80%.

• 研究结果表明,制得的阳离子壳聚糖对蔗渣浆有良好的增强效果,当用量为0．80%25时,撕裂指数提高了28．1%25,裂断长提高了9．2%25。