Material technology classification of non-woven environmental protection bags

by:KUOSHI     2021-03-15
u003cpu003eu003c/pu003eu003cpu003eNo one knows much about the production and processing of non-woven bags. After all, this involves a lot of expertise. As a professional manufacturer of non woven bags, it is necessary for Shenzhen Textile to inform you about the production process of non woven bags. Please look down. u003c/pu003eu003cpu003e First of all, the material of the bags depends on the material of the non-woven eco-friendly bag. The material of the non-woven environmental protection bag is naturally non-woven. The processing techniques of non-woven fabrics are as follows:u003c/pu003eu003cpu003e1. Pulp air-laid non-woven fabric: Air-laid non-woven fabric can also be called dust-free paper and dry paper-making non-woven fabric . It uses air-laid technology to open the wood pulp fiberboard into a single fiber state, and then uses air-flow method to agglomerate the fibers on the web curtain, and then reinforce the fiber web into a cloth. 2. Thermally bonded non-woven fabric: Thermally bonded non-woven fabric refers to the addition of fibrous or powdery hot-melt adhesive reinforcement materials into the fiber web, and the fiber web is heated, melted and cooled to reinforce the fabric. 3. Spunlace non-woven fabric: The spunlace process sprays high-pressure fine water onto one or more layers of fiber webs to entangle the fibers with each other, so that the webs can be reinforced and have a certain strength. 4. Melt-blown non-woven fabric: The process of melt-blown non-woven fabric: polymer feeding---melt extrusion---fiber formation---fiber cooling---netting---reinforcement into fabric. u003c/pu003eu003cpu003e5. Spunbond non-woven fabric: Spunbond non-woven fabric is formed after the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a net, and the fiber net is then bonded by itself. Bonding, thermal bonding, chemical bonding or mechanical reinforcement methods to turn the web into a non-woven fabric. 6. Wet-laid non-woven fabrics: Wet-laid non-woven fabrics are used to open fiber raw materials placed in an aqueous medium into single fibers, and at the same time mix different fiber raw materials to make a fiber suspension slurry, which is transported to a web forming mechanism. The fibers are formed into a net in a wet state and then reinforced into a cloth. 7. Needle-punched non-woven fabric: Needle-punched non-woven fabric is a kind of dry-laid non-woven fabric. Needle-punched non-woven fabric uses the piercing effect of needles to reinforce the fluffy web into a cloth. 8. Stitched non-woven fabric: Stitched non-woven fabric is a kind of dry-laid non-woven fabric. The stitching method uses the warp-knitted loop structure to align the fiber web, yarn layer, and non-woven materials (such as plastic sheets, thin plastic sheets). Metal foil, etc.) or their combination is reinforced to make a non-woven fabric. u003c/pu003eu003cpu003e With so many kinds of non-woven fabrics above, the non-woven eco-friendly bags made are not very different. It mainly depends on what kind of products are made, whether it is an ordinary non-woven eco-friendly bag or a cover Non-woven eco-friendly bags with membranes. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eu003c/pu003e
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