摘要
针对有色羽绒不易漂白的问题,对灰色羽绒进行选择性漂白。通过系统研究预处理(金属络合)、清洗、漂白等各道工艺,探索各阶段工艺因素对羽绒白度和蓬松度的影响,优化漂白工艺参数。经选择性氧化漂白和还原漂白联合处理后,灰色羽绒纤维白度由29%提高到68%,并保持良好的蓬松度。SEM观察和FT-IR分析表明,经过优化条件下的选择性氧化漂白和还原漂白,灰色羽绒纤维的物理结构没有明显变化,表面化学结构则发生一定变化,主要是胱氨酸二硫键的氧化。优化的漂白工艺解决了灰色羽绒漂白过程中白度和纤维脆损的矛盾,而且节能降耗,具有良好的漂白效果。
To solve the bleaching problem of grey down, the selective bleaching process was applied. Based on the studies of pretreatment （metal complex） , cleaning and bleaching, the factors affecting whiteness and bulkiness in each procedure were investigated and the bleaching parameters were optimized. After combination treatment of selective oxidation bleaching and reduction bleaching, the whiteness of grey down fibers increased from 29% to 68% , while keeping their good bulkiness. SEM and FT-IR analysis indicated that the treatment had little influence on the physical structure of grey down, though it led to some changes in the chemical structure on the surface of the fibers, mainly the oxidation of disulfide bond of cystine. The optimized bleaching technology had excellent bleaching effect which solved the contradictions between whiteness and tendering in the bleaching of grey down, and showed energy saving and consumption reduction.
出处
《纺织学报》
EI
CAS
CSCD
北大核心
2011年第1期59-66,共8页
Journal of Textile Research
基金
长江学者和创新团队发展计划资助项目(IRT0654)
关键词
灰色羽绒
选择性漂白
还原漂白
活化漂白
白度
蓬松度
grey down
selective bleaching
reduction bleaching
activating bleaching
whiteness
bulkiness
