过氧化氢漂白稳定剂对漂后蔗渣浆性能的影响

研究了非硅过氧化氢漂白稳定剂（PP-1＋PP-2）对蔗渣压力过氧化氢漂白浆强度性能和纤维形态的影响。研究结果表明：添加0．1％PP-1＋0．5％PP-2的稳定剂后，蔗渣压力过氧化氢漂白浆的白度达到85．0％ISO。与使用硅酸钠的漂后浆相比，非硅稳定剂（PP-1＋PP-2）漂后浆的抗张指数提高了2．6N．m／g，撕裂指数和耐破指数基本相当。（PP-1＋PP-2）作为稳定剂的蔗渣漂后浆的纤维长度、宽度和粗度与Na2SiO3漂后浆的相当，但纤维卷曲指数和细小纤维的含量低于Na2SiO3漂后的蔗渣浆。（P-1＋PP-2）漂后的蔗渣浆与Na2SiO3的漂后浆相比，纸浆的表面电荷和羧基含量较高，而Z电位较低。

The effect of non-silicon stabilizer on properties of bleached bagasse pulp

The effect of non-silicon stabilizer on bagasse bleached pulp with pressured hydrogen peroxide bleaching was studied. The results indicate that in use of 0.I%PP-I and 0.5%PP-2 in pressured hydrogen peroxide bleaching of a chelated oxygen-delignification bagasse pulp, the brightness of bleached pulp is achieved to 85.0%ISO. The fiber morphology, physical strength properties and the charge characteristics of bleached pulp from （PP-I＋PP-2） process are compared to those of bleached pulp from Na2SiO3 process. The fiber length, fiber width, fiber coarseness, and length distribution of bleached pulp from （PP-I＋PP-2） process is similar lo those of bleached pulp from Na2SiO3 process, but the fines content and curl index of fiber are lower than those ofbleached pulp from Na2SiO3 process. The tensile index, surface charge and carboxyl group content of bleached pulp from （PP-I＋PP-2） process are higher thanthose of bleached pulp from Na：SiO process, but the Zeta potential is lower than that of bleached pulp from Na2SiO3 process.