Analysis of Dyeing Mechanism in Multiple Layrs Wool Fabric (Laminates) as Fiber Assembly Model

作为纤维组装模型的多层羊毛织物（层压品）染色机理分析

基本信息

批准号：
08680059
负责人：
SASAKI Hiroaki
金额：
$ 1.54万
依托单位：
Niigata Women's College
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1996
资助国家：
日本
起止时间：
1996 至 1997
项目状态：
已结题

项目摘要

The sorption delay due to the diffusional boundary layr is inevitable in dyeing of fiber assembly. In the case of wool dyeing, the dyeing rate can be influenced by the mass-transfer process in the diffusional layr and the barrier such as an epicuticle. We measured the equilibrium dye uptake and the dyeing rate for a untreated wool fiber and a corona discharged wool fiber(sixteen-fold). The equilibrium dye uptake of the corona discharged wool fiber was the same as that of the untreated wool fiber. The dyeing rate of the corona discharged wool fiber was slightly larger than that of the untreated wool fiber. Wool fibers were treated with hydrophilic multifunctional epoxid(glycerol polyglycidyl ether-GPE). TEM observation results of the cross-sections the samples stained with AgNO_3 revealed that GPE were mainly accommodated in nonkeratinous region such as CMC and intermacrofibrillar region, like the diffusion of dye molecules in wool. In the concentrated NaCl aqueous medium, the reaction sites were restricted in the outer surface nonkeratinous region of fiber. The diffusion mechanism of dye molecules across CMC was confirmed by these information. Liquid chromatographic behavior of wool fiber, as column stationary phase was investigated to confirm this diffusion mechanism. The theoretical equation was set up for a concentration distribution curve in a multiple layrs of fabric. A descaled(decuticled) wool fabric was used to simplify the diffusion process. We examined the applicability our method to the diffusion of an acid dye in multiple layrs of decuticled wool fabric. We estimated the useful diffusion parameters for wool fiber assembly.

在纤维组件的染色中，由于扩散边界延伸而导致的吸附延迟是不可避免的。在羊毛染色的情况下，染色速率可能会受到扩散层中的质量转移过程和屏障（例如层状）的影响。我们测量了未经处理的羊毛纤维和电晕释放的羊毛纤维（16倍）的平衡染料摄取和染料速率。排放的羊毛纤维的平衡染料摄取与未处理的羊毛纤维相同。排放的羊毛纤维的染色速率比未处理的羊毛纤维的染色率略大。用亲水性多功能环氧（甘油聚甘油甘油醚-GPE）处理羊毛纤维。横截面的TEM观察结果被AGNO_3染色的样品表明GPE主要容纳在诸如CMC和微纤维间区域的非颈部区域，例如羊毛中染料分子的扩散。在浓缩的NaCl水性培养基中，反应位点在纤维的外表面非颈部区域受到限制。这些信息证实了染料分子跨CMC的扩散机制。羊毛纤维的液相色谱行为，因为研究了柱固定相，以确认这种扩散机制。为在多个织物外行中的浓度分布曲线设置了理论方程。使用后裔（解剖）羊毛织物来简化扩散过程。我们检查了我们对在多个羊毛织物中酸染料扩散的方法。我们估计了羊毛纤维组件的有用扩散参数。