摘要
通过中心复合实验法对硫化红棕上染过程中的影响因素进行实验设计,利用过硫酸铵与空气氧化作对比,以织物皂洗前后及放置4周后色光及染色深度变化的差值为主要评价因素,利用Minitab软件分析得出影响硫化红棕颜色变化性能的主要因素及最优上染条件。在最优条件下,对经两种氧化方法处理后织物的染色深度、摩擦色牢度、拉伸断裂强力进行比较。发现,利用空气氧化体系颜色变化最小的上染条件为硫化红棕0.8 g/L,硫化碱0.8 g/L,染色温度71.72℃;而过硫酸铵氧化体系,颜色变化最小的上染条件为:硫化红棕0.8 g/L,硫化碱1.2 g/L,染色温度68.89℃。在空气中放置4周后,织物的各项物理机械性能基本相同,但经过硫酸铵氧化的织物在后期储存过程中,织物颜色变化明显小于空气氧化。
The central composite experimental design method is used to optimise the suephur red brown dyeing conditions. Persulphate and air are used in the following oxidatation process. The different values of color strength （ △K/S ） and shade （ △L, △a, △b ） for pre-soaping and post-soaping over a four-week period are used to evaluate the degree of color change in order to find the main factors to affect the color change and to find the optimum dyeing conditions. Under the optimal conditions, the color strength, rubbing fastness and tensile strength of the dyed fabrics are compared. It is found that the optimal dyeing conditions for air oxidation system are sulphur red brown of 0.8 g/L, sodium sulfide of 0.8 g/L, and dyeing temperature at 71.72℃ whilst the optimal dyeing conditions for ammonium persulphate oxidation system are sulphur red brown of 0.8 g/L, sodium sulfide of 1.2g/L, and dyeing temperature at 68.89℃. After 4 weeks of storage in the air, the physical mechanical properties are almost the same, however the color changes of the dyed fabric after ammonium persulphate oxidation is obviously less than that with air oxidation.
出处
《上海纺织科技》
北大核心
2014年第11期28-31,共4页
Shanghai Textile Science & Technology
关键词
硫化红棕
变色
过硫酸铵
空气氧化
中心复合实验法
sulphur red browu
color change
ammonium persulphate
air oxidation
the central composite experimental design
