New Environment-Friendly Possibilities of Scouring and Bleaching Cotton for Sanitary Products

被引:0
|
作者
Tavcer, Petra Forte [1 ]
Zabret, Andrej [2 ]
机构
[1] Univ Ljubljani, Oddelek Tekstilstvo, Naravoslovnotehniska Fak, Snezniska 5, SI-1000 Ljubljana, Slovenia
[2] Tovarna Sanitetnega Mat Dd, Tosama, SI-1230 Domzale, Slovenia
关键词
cotton; scouring; bleaching; pectinase; peroxiacetic acid; absorptive capacity; sanitary products;
D O I
暂无
中图分类号
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号
0805 ; 080502 ; 0821 ;
摘要
Cotton gauze used for sanitary material was treated with enzymes pectinase and alkali scoured with sodium hydroxide. After enzymatic and alkali scouring the samples were bleached with peroxiacetic acid and hydrogen peroxide. By measuring the degree of whiteness, absorbency, loss of mass and damage of fibres treated by various processes, the adequacy of process for treating sanitary material was estimated. The properties of fibres treated by one-stage process with enzymes and peroxiacetic acid were compared. The process, which includes alkali scouring and/or peroxide bleaching, gives higher degree of whiteness and better absorptive capacity than the process, which includes bioscouring and/or bleaching with PAA. However, scouring with enzymes and bleaching with peroxiacetic acid is performed at 50 to 60 degrees C and at pH between 7 and 8 and the damages of fibres are negligible, so this process is an interesting alternative for conventional treatment.
引用
收藏
页码:93 / 97
页数:5
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