How are the gloss and pattern effects of non-woven fabrics realized?

The appearance of non-woven fabric includes two meanings: gloss effect and pattern effect. The two effects are mainly achieved through appearance finishing. In the finishing of non-woven fabrics, calenders are more and more used, mainly for the following functions: through hot rolling, the non-woven fabric is polished and flattened to maintain a uniform thickness, and the surface produces four embossing patterns (rolling). Flower), forming an open-pore structure, etc. The calender used in the finishing of nonwovens is basically the same as that used in the finishing of traditional textiles, except that the roll combination method or process conditions are slightly different. The products after polishing and rolling are mainly used in table cloth, lining cloth, shoe village, artificial leather base cloth, disposable materials, bed sheets, sound insulation cloth and other fields. The glazing finish is to use a pair of pressure rollers to smooth the surface of the cloth under certain temperature and humidity conditions, so that the protruding fiber hairiness and curved fibers fall on the surface of the cloth under pressure and compact , Compact non-woven fabric, improve gloss effect. The purpose of uniform thickness calendering is to make the thickness of the nonwoven fabric uniform and reach a certain thickness requirement. It is used in products such as artificial leather, filter materials and electrical insulation materials. Embossing is mainly used to produce embossed and uneven patterns on the surface of the non-woven fabric. Its purpose is to improve the appearance and the softness and feel of the fabric. It is suitable for decorative materials, needle punching, wall felts, carpets, bed sheets, table cloths, artificial leather base cloths, and disposable products.