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non woven bags manufacturing process
Spun-bonded non-woven fabrics are laid after the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a web, and the webs are then subjected to self-adhesion, thermal bonding, chemical bonding, or mechanical reinforcement. The web becomes a non-woven fabric.
 non woven bags manufacturing process
Non-woven fabric is a kind of fabric that does not need spinning woven fabric, but the textile short fibers or filaments are oriented or randomly supported to form a fiber network structure, and then reinforced by mechanical, thermal adhesive or chemical methods. . Simply put: it is not woven or knitted together by a single yarn, but the fibers are directly bonded together by physical means, so when you get the stickiness in your clothes You will find that it is impossible to extract the thread of the root. Non-woven fabrics have broken through the traditional textile principles, and have the characteristics of short process flow, high production speed, high output, low cost, wide use, and many raw material sources.
 non woven bags manufacturing process
Its main uses can be roughly divided into:
 
(1) Medical cloths: surgical gowns, protective clothing, sterile cloths, masks, diapers, sanitary napkins, etc.;
 
(2) Home decoration fabrics: wall coverings, tablecloths, bed sheets, bedspreads, etc.;
 
(3) Follow-up cloth: lining, fusible interlining, batting, setting cotton, various synthetic leather base fabrics, etc.;
 
(4) Industrial fabrics: filter materials, insulation materials, cement bags, geotextiles, covered cloths, etc.;
 
(5) Agricultural cloth: crop protection cloth, breeding cloth, irrigation cloth, insulation curtain, etc.;
 
(6) Others: Space cotton, insulation and sound insulation materials, oil-absorbing felt, smoke filter, tea bags, etc.
 
Non-woven classification:
non woven bags manufacturing process 
First, spunlace non-woven
 
Spunlacing is the process of spraying high-pressure micro-fine water onto one or more layers of fiber webs to entangle the fibers with each other, so that the web can be reinforced and have a certain strength.
 
Second, thermal non-woven
 
Thermally bonded non-woven fabric refers to a fibrous or powdery hot-melt adhesive reinforcing material added to the web, and the web is heated and melted to be cooled and consolidated into a cloth.
 
Third, pulp air-laid non-woven fabrics
 
Airlaid non-woven fabrics can also be called non-dust paper, dry papermaking non-woven fabrics. It uses the air-laid technology to open the wood pulp fiber board into a single fiber state, and then uses the air flow method to agglutinate the fiber on the reticular curtain, and the fiber network is then reinforced into a cloth.
 
Fourth, wet non-woven
 
In the wet non-woven fabric, the fiber raw material placed in an aqueous medium is opened into single fibers, and at the same time, different fiber raw materials are mixed to form a fiber suspension slurry, and the suspension slurry is transported to a network forming mechanism, and the fibers are laid in a wet state. Reinforced into cloth.
 
Fifth, spunbond non-woven
 
Spun-bonded non-woven fabrics are laid after the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a web, and the webs are then subjected to self-adhesion, thermal bonding, chemical bonding, or mechanical reinforcement. The web becomes a non-woven fabric.
 
Six, meltblown non-woven
 
The process of meltblown nonwoven fabrics: polymer feed - melt extrusion - fiber formation - fiber cooling - web formation - reinforcement into cloth.
 
Seven, acupuncture non-woven
 
Acupuncture non-woven fabric is a kind of dry non-woven fabric. Acupuncture non-woven fabric uses the puncture effect of a needle to reinforce the fluffy web into a cloth.
 
Eight, stitching non-woven fabrics
 
The stitch-bonded non-woven fabric is a type of dry-laid non-woven fabric, and the stitch-bonding method uses a warp-knitted stitch structure on a web, a yarn layer, a non-woven material (such as a plastic sheet, a plastic thin metal foil, etc.) or a combination thereof. The body is reinforced to make a non-woven fabric.
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