Natural colorant extracted from the fruit shell of Camellia oleifera was applied to PP spunbond nonwoven fabric by pigment printing method. The printing pastes containing natural dye, a thickener, an acrylate binder, and ferrous sulfate were applied to the substrate via flat screen technique. The printed fabrics were evaluated in terms of colorimetric measurements, color fastness properties as well as mechanical behaviors. The increase in color strength and the change in color hues from light brown to greyish black were observed by varying the amounts of dye, binder and ferrous sulfate. Increasing binder concentration led to an improvement in tensile strength and elongation in most cases, but had a negative impact on tear strength. The printed nonwoven possessed fair to moderate light fastness and fair to excellent crock fastness.

从油茶果壳中提取的天然着色剂通过颜料印花法应用于PP纺粘无纺布。包含天然染料，增稠剂，丙烯酸酯粘合剂和硫酸亚铁的印刷浆料通过平面屏幕技术。在比色测量，色牢度特性以及机械性能方面评估了印花织物。通过改变染料，粘合剂和硫酸亚铁的量，可以观察到颜色强度的增加和从浅棕色到灰黑色的颜色变化。在大多数情况下，粘合剂浓度的增加导致抗张强度和伸长率的提高，但对撕裂强度产生负面影响。印刷的非织造布具有中等至中等的耐光性和中等至优异的耐摩擦性。