Production method of woven carpet with no gumming process

Abstract

The invention discloses a production method of a woven carpet with no gumming process. A second covering layer is made with hot-melt filaments or staple yarns; a first covering layer is made with polypropylene filaments or staple yarns; the second covering layer accounts for 20-50% of total mass of composite yarn; the first covering layer accounts for 10-15% of the total mass of the composite yarn; the balance is core yarns; pile wefts are therefore produced. During the production of a no-gum carpet with hot-melt ethylene-vinyl acetate copolymer fiber as an adhesive material, pile yarns are made in conjunction with cotton fiber and viscose fiber; the hot-melt ethylene-vinyl acetate copolymer fiber melts down when heated to above its melting point in a hot pressing step, and fiber macromolecular chain conformation varies; segmer transition allows the whole macromolecular chain to slide, a viscous flow occurs, piles, wefts and warps are effectively fixed after solidifying, pull-out strength of the piles is enhanced, and shape-maintaining property and dimensional stability are enhanced for the carpet; therefore, the gumming step in the carpet production process is omitted, so that thecarpet produced is more environmentally friendly.

Description

technical field [0001] The invention relates to the field of household products, in particular to a method for preparing a woven carpet without an adhesive backing operation process. Background technique [0002] With the improvement of modern living standards, the requirements for the comfort, fashion and environmental protection of some public places and home decoration are also getting higher and higher. The utilization rate of carpets in some public places and home decoration accounts for a large part. Carpets have the function of heat preservation and regulation. Large-area carpets can reduce the heat lost through the ground in the room, block the invasion of cold air on the ground, and make people feel warm and comfortable. At the same time, it has a sound-absorbing function. The rich texture of the carpet and the surface of the plush tufts have a good sound-absorbing effect, and can properly reduce the impact of noise. Since the carpet is a fabric rich in elastic fib...

AI Technical Summary

Problems solved by technology

Woven Wilton carpets are made by interweaving warp yarns, weft yarns, and pile yarns, and are finished by subsequent processes such as gluing, shearing, etc., so that the warp yarns, weft yarns, and pile yarns are mechanically bonded. It is also made by interweaving warp yarn, weft yarn and pile yarn, and then finishing through gluing, shearing and other processes. In the gluing process, organic solvents are needed to dissolve and dilute the glue. Therefore, in the gluing process, there are the following problems: ⑴ During the gluing process, volatile harmful gases pollute the environment and affect the health of workers; (2) The gluing and drying and curing process is long and takes a long time, which limits the production speed, the equipment occupies a large space, the amount of glue used is large, and the energy consumption is high. The production cost of the carpet is lowered; (3) the traditional carpet adopts the method of applying glue on the back of the embryo carpet, and the glue needs to be infiltrated into the pile yarn through the embryo carpet base cloth. This leads to problems such as insufficient pull-out strength, poor dimensional stability, and easy deformation of the pile yarn

At the same time, in order to reduce the cost and improve the stiffness of the carpet, the adhesive layer and calcium carbonate are generally mixed together during the gluing process. The problem brought by this method is that it is not easy to reuse, and when the waste is burned, the waste Contains flame retardant fillers

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