软木材料漂白工艺的研究

结合软木材料的特点,分析研究漂白剂的性能,选取过氧化氢(H_20_2)作为软木材料的漂白剂;采用SC-80C全自动色差计对漂白试样进行白度的定量测量,综合考虑定性观察和定量检测的结果,确定软木材料的最佳漂白工艺条件为:过氧化氢浓度为9%,漂白时间为60 min,漂白温度为70℃,漂白液的pH值为10.以白度为评价指标,各因素对漂白效果影响的程度从大到小依次为:温度,时间,过氧化氢浓度,pH值.各因素对白度的影响都很显著.

Research on Bleaching Process for Cork Material

According to the characteristic of the cork material, analyzing and researching the property of va-rious bleaching agents and choosing H_2O_2 as bleaching agents for cork material bleaching, and using full-auto-matic chromatic aberration meter of SC-80C to quantitively gauge the chromatic aberration and whiteness of bleached sample. On the basis of considering the result of qualitative observation and quantitative determina-tion, the best bleaching process conditions for cork material are obtained as follows: H_2O_2 concentration of 9%, heating time of 60 min, temperature of 70℃ and pH value of 10. Influence of all above mentioned fac-tors is of markedness, and the arrangement in order of the factors affecting the whiteness of bleached sample isas follows: temperature, time, concentration of H_2O_2 and pH (from big to small).