三倍体毛白杨常压醋酸法制浆工艺的探讨  

Acetic Acid Pulping of Triploid Clones of Polulus Tomentosa Carr at Atmospheric Condition

作　　者：甘定能[1] 谢益民[1] 敖日格勒[1] 王鹏[1] 李松礼[1] 杨海涛[1] 

机构地区：[1]华南理工大学制浆造纸工程国家重点实验室,广州510640

出　　处：《中国造纸学报》2004年第1期15-18,共4页Transactions of China Pulp and Paper

基　　金：教育部重点项目(01137);国家自然科学基金(29974011;30170756);教育部博士点基金(20020561022);广东省教育厅"千百十"工程资助项目

摘　　要：探讨了三倍体毛白杨常压醋酸法的制浆工艺条件,并对其抄纸性能进行了初步研究。研究结果表明,三倍体毛白杨采用常压醋酸法制浆最理想的蒸煮条件是:106℃,预处理1h,蒸煮时间为3h,液比为1:8,醋酸/水比例为95/5(v/v),硫酸用量为1.5％(对原料)。硫酸用量对三倍体毛白杨醋酸浆的抄纸性能影响较大,硫酸用量的增加会导致纸浆乙酸化程度加深,硫酸用量为1.5％左右能获得比较理想的抄纸性能。三倍体毛白杨醋酸浆的耐破度和撕裂度低于KP浆,优于APMP浆。Acetic acid pulping of triploid clones of Populus Tomentosa Carr at atmospheric condition was investigated. The paper properties from the pulp were also studied. The results showed that the optimum cooking conditions was as follows: pretreatment: 1h; liquor to wood: 8: 1; cooking time:3 h; H_2SO_4: 1.5%. The charge of sulfur acid had great effect on deligninfication and paper properties. The increase of sulfur acid dosage caused severe acetylation of the pulp. The ideal paper properties were obtained when sulfur acid dosage was 1.5%. The tear index and burst index of acetic acid pulp were lower than those of the corresponding kraft pulp, but better than APMP pulp.

关 键 词：三倍体毛白杨 常压醋酸法 制浆工艺 抄纸性能 纸浆 硫酸用量 

分 类 号：TS749.1[轻工技术与工程—制浆造纸工程] TS74