Use of sugar cane straw as a source of cellulose for textile fiber production
Use of sugar cane straw as a source of cellulose for textile fiber production
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DOI：
10.1016/j.indcrop.2012.05.028
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发表时间：
2013-03-01
影响因子：
5.9
通讯作者：
Costa, Silgia A.
中科院分区：
文献类型：
--
作者：
Costa, Sirlene M.;Mazzola, Priscila G.;Costa, Silgia A.
本文报道了以甘蔗秸秆纤维素和商品纤维素为原料制备纺织纤维的研究进展。采用碱/蒽醌（AQ）法制备甘蔗秸秆纸浆。为了去除残留木质素，对纸浆进行双氧水化学漂白。用漂白纸浆制备含有n -甲基- n -氧化物（NMMO）的纤维。对秸秆和纸浆的化学成分（纤维素、多聚糖和木质素）进行了表征。对纤维进行分析，以评估最大吸水率或膨胀率、重量损失和机械性能。用扫描电镜（SEM）对其微观结构进行了分析。成浆率为30%，纤维吸水率为60 ~ 73%。30 d的质量损失曲线约为25-26%。从商品纤维素和秸秆中获得的纤维的韧性值在4.1-4.3 cn / texs之间，与由木浆纤维素生产的商品lyocell相适应。(C) 2012 Elsevier B.V.版权所有
This paper reports the development of textile fibers from cellulose of sugar cane straw and commercial cellulose. Sugar cane straw pulps were obtained after alkaline pulping, using soda/anthraquinone (AQ). For the removal of residual lignin, pulps were submitted to chemical bleaching with hydrogen peroxide. Bleached pulps were used to obtain fibers with N-methylmorpholine-N-oxide (NMMO). Straw and pulps were characterized for their chemical composition (cellulose, polyoses and lignin). Fibers were analyzed to evaluate maximum water uptake or swelling, weight loss and mechanical properties. Microstructure was analyzed by a scanning electron microscope (SEM). Pulping yield was 30%, and fibers showed water uptake capacity around 60-73%. The mass loss profile was about 25-26% in 30 days. Fibers obtained from commercial cellulose and straw presented tenacity values in the range of 4.1-4.3 cN/tex, which are compatible with commercial lyocell produced from wood pulp cellulose. (C) 2012 Elsevier B.V. All rights reserved.