Preparation method and application of non-woven fabric

Abstract

The invention belongs to the technical field of cigarette filter sticks, and particularly relates to a preparation method and application of a non-woven fabric, the preparation method comprises the following steps: according to the designed laying layer number and raw material fiber composition of the non-woven fabric, raw material fibers of each laying layer are loosened, and the raw material fibers of the laying layers are uniformly mixed; the mixed fibers of each laying layer are in a thin fiber web state by adopting a web forming method; lapping in sequence in a cross lapping manner; the fiber net obtained after net laying is completed is reinforced; and drying the reinforced non-woven fabric. According to the technical scheme, different tensile forces are applied to different laying layers, so that the tensile forces of all fibers in the non-woven fabric are different after reinforcing and forming, tiny wrinkles can appear on the surface of a dried finished product, the surface area of the non-woven fabric is increased, the internal deformation of the non-woven fabric caused by smoke is increased in the suction process, and the quality of the non-woven fabric is improved. The adsorption effect on tar and nicotine is improved, and the degradation time is shortened due to deformation of the internal structure of the non-woven fabric.