荧光增白剂对纯棉织物洗涤效果的影响

Influence of fluorescent brightening agent on washing result of cotton fabrics

采用添加不同种类和用量荧光增白剂的标准洗衣液洗涤不同颜色纯棉织物,对比分析洗涤后织物的L*,a*,b*和C*值,反射率曲线以及目视评价结果,得到荧光增白剂对不同颜色纯棉织物的影响效果。结果表明,荧光增白剂可使增白布更白,漂白和米白布明显变亮白,浅蓝和粉红布样更加艳丽,浅灰和浅黄布样泛白或变浅,使卡其布样明显泛白,对大红、深蓝、黑色等深色纯棉织物无明显影响。

Cotton fabrics with different color were washed by reference liquid detergents appended withfluorescent brightening agent of separate kinds and concentrations. The effects of fluorescent brightening agenton different color fabrics were shown by comparison analysis of L＊ , a ＊ , b ＊ , C ＊ , reflectance curves and theresults of visual evaluation. The results showed that the impacts of fluorescent brightening agent are that thewhitened fabric becomes whiter, the bleaching fabric and off - white color fabric become brighter and whiterobviously,the light blue and pink fabrics become brighter, grayish and flavescent cotton fabrics also becomewhiter or lighter. The fluorescent brightening agent makes khaki cotton fabric whiter obviously. The fluorescentbrightening agent has no obvious effect on deep color cotton fabrics such as brilliant scarlet, mazarine and black.