Production process of spunlaced non-woven fabric

Abstract

The invention discloses a production process of spunlaced non-woven fabric. The spunlaced non-woven fabric is prepared from polyester fiber, bamboo fiber and modal fiber by mixing and spunlacing. According to the production process, a spunlaced fiber net is treated with modified emulsion with an impregnation method, cohesive force and binding force among regenerated fiber are effectively improved,the physical property of the finished spunlaced non-woven fabric is improved, linting and flaking of the spunlaced non-woven fabric in the use process are reduced, and the service life is prolonged or the use frequency is increased. Emulsion reaction equipment in the process can realize heating or cooling of raw materials of modified emulsion by freely changing the temperature of clear water in awater storage area, heats the raw materials by transferring heat through clear water, is slow in heat transfer and easy to control, conveniently controls precise change of the temperature of the rawmaterials of the modified emulsion in a small range, and realizes small errors of temperature reaction conditions; and the emulsion reaction equipment realizes recycling of water resources, and the water resources are greatly saved.

Description

technical field [0001] The invention relates to the field of nonwoven fabric production technology, in particular to a production technique of spunlace nonwoven fabric. Background technique [0002] The patent application number CN105088530B discloses a production method of cotton spunlace non-woven fabrics for medical and sanitary use, which includes the following steps: cleaning, removing impurities from pure natural lint; carding once: combing the fibers into an orderly arrangement, And further remove the impurities existing in the raw materials; degreasing: remove the wax or grease on the cotton fibers; bleaching; secondary carding: comb the fibers into an orderly arrangement, and remove the neps that may be produced in the degreasing and bleaching; Web: The carded cotton web is rolled back and forth and overlapped according to the direction of the cotton fibers; Spunlace: The cotton web is entangled by high-pressure water flow; the finished product is coiled. Combing t...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned technical problems, the object of the present invention is to provide a production process of spunlace non-woven fabrics: (1) After spunlace and before preliminary drying, the spunlace fibers are treated with modified emulsion by dipping method The net can effectively improve the cohesion and bonding force between regenerated fibers, improve the physical properties of the finished spunlace non-woven fabric, reduce hair loss and shavings during the use of spunlace non-woven fabrics, prolong the service life or the number of times, and maintain Good water absorption performance, durable and washable, and can be used in combination with most cationic antibacterial agents, which solves the problems of serious hair loss and insufficient water absorption of the existing cotton spunlace non-woven fabrics; (2) Start the heating layer, heat the heating wire to heat up the clear water in the water storage area to obtain hot water, and the hot water transfers heat to the inner cavity of the reaction tank, so that the raw material of the modified emulsion is heated up, and the drain pipe is opened to release part of the hot water. Part of the clean water is added to the water pipe to reduce the temperature of the clean water in the water storage area, which can lower the temperature of the raw material of the modified emulsion. By freely changing the temperature of the clean water in the water storage area, the temperature of the raw material of the modified emulsion can be raised or lowered. , to solve the problem that the existing emulsion reaction equipment directly heats the raw materials through the heating mechanism, and the heating effect is good, but it is difficult to control when the temperature range is small; The middle clean water is pumped out and sent to the water storage area, and the temperature of the clean water in the water storage area is controlled to control the reaction temperature of the raw materials of the modified emulsion; when the modified emulsion is discharged from the reaction tank from the discharge pipe, the drain pipe is opened, and the storage The hot water in the water area is discharged and transported to the first reservoir and the second reservoir for cooling and cooling; the water in the second reservoir is transported to the inside of the reaction tank through the circulating water pump to clean the inner wall of the reaction tank After that, the valve on the branch pipe is opened, and the cleaning water is transported to the first reservoir through the branch pipe. The cleaning water passes through the filter plate, is intercepted by the adsorption plate, adsorbed, and filtered to remove impurities in the cleaning water and obtain clear water, which solves the problem of the existing emulsion reaction equipment. The problem of wasting a lot of water resources

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