棉织物永久性耐洗色牢度的测试

Determination of Durable Color Fastness to Washing

介绍测试棉织物永久性耐洗色牢度的耐洗色牢度与皂洗次数、测试标准、测试条件等关系。实际测试棉织物的永久性耐洗色牢度时 ,有必要对测试参数作调整。测试温度为 80℃ ,纯碱 /肥皂浓度为 5 /10 g/L ,浴比 1∶ 5 0 ,皂洗时间30 min,此条件下测得的耐洗色牢度最接近永久性耐洗色牢度。

The relationship between color fastness to washing and soaping times, testing st andard, as well as testing condition are introduced. In practical testing, the p arameters should be adjusted for determining durable color fastness to washing. The optimal condition is as follows: testing temperature 80℃, concentration of soda and soap 5~10g/L, liquor ratio 1∶50, soaping time 30 min.