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Basic knowledge of non-woven fabric
UpdateTime: 2024-10-29 14:22:00 Hits: 432

The scientific name of nonwoven fabric is nonwoven material (Nonwovens), also known as nonwoven cloth, non-woven fabric, nonwoven fabric, and non-woven fabric. Nonwoven technology is a material processing technology that originated from textiles but transcends them.


The classification of non-woven fabrics is as follows:


I. Classification by production process:


1. Spunlace non-woven fabric


High-pressure fine water flow is sprayed onto one or more layers of fiber webs, causing the fibers to entangle with each other, thereby reinforcing the fiber webs and endowing them with certain strength.


2. Heat-sealed non-woven fabric


It refers to adding fibrous or powdered hot-melt bonding reinforcing materials to the fiber web, and then heating, melting, cooling and reinforcing the web into fabric.


3. Pulp air-laid nonwoven fabric


It can also be called dust-free paper or dry-process papermaking non-woven fabric. It uses the air flow web-forming technology to loosen the wood pulp fiberboard into a single-fiber state, and then uses the air flow method to make the fibers concentrate on the web-forming curtain. The fiber web is then reinforced into fabric.


4. Wet nonwoven fabric


The fiber raw materials placed in a water medium are opened up into single fibers, and at the same time, different fiber raw materials are mixed to make a fiber suspension slurry. The suspension slurry is conveyed to the web-forming mechanism, where the fibers form a web in a wet state and are then reinforced into fabric.


5. Spunbond nonwoven fabric


After the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a web. The web is then transformed into non-woven fabric through self-bonding, thermal bonding, chemical bonding or mechanical reinforcement methods.


6. Meltblown nonwoven fabric


The process: polymer feeding → melt extrusion → fiber formation → fiber cooling → web formation → reinforcement to fabric.


7. Needle-punched non-woven fabric


Needle-punched nonwoven fabric is a type of dry-process nonwoven fabric. It is made by using the piercing action of needles to reinforce a fluffy web of fibers into fabric.


8. Sewn non-woven fabric


One type of dry-process non-woven fabric, the sewing method is to reinforce fiber webs, yarn layers, non-textile materials (such as plastic sheets, plastic-thin metal foils, etc.) or their combinations by using the structure of warp knitted loops to produce non-woven fabric.


Ii. Classification by Purpose:


Non-woven fabrics for medical and hygiene purposes:


Surgical gowns, protective suits, disinfectant wrapping cloths, masks, diapers, household cleaning cloths, wiping cloths, wet wipes, magic towels, soft tissue rolls, beauty products, sanitary napkins, sanitary pads and disposable sanitary cloths, etc.


2. Non-woven fabric for home decoration


Wall coverings, tablecloths, bed sheets, bedspreads, etc.


3. Non-woven fabric for clothing:


Linings, fusible linings, wadding, shaped cotton, various synthetic leather base fabrics, etc.


4. Industrial non-woven fabrics


Filter materials, insulating materials, cement packaging bags, geotextiles, covering fabrics, etc.


5. Agricultural non-woven fabric


Crop protection cloth, seedling raising cloth, irrigation cloth, thermal insulation curtain, etc.


6. Other non-woven fabrics:


Space cotton, thermal insulation and soundproofing materials, oil-absorbing felt, cigarette filters, bagged tea bags, etc.


Iii. Chinese-english Comparison of Non-woven Fabric-related Terms:


raw materials


polymer :polymer


resin: resin


Slice: chips


Natural fibers


man-made fiber: Man-made Fiber


synthetic fiber


chemical fiber


Special fiber: speci alt y fiber


composite fiber


wool:


silk


jute


flax


wood pulp fiber


polyester(pet)


Nylon: polyamide fiber(pa


Acrylic fiber: polyacrylic fiber(pan)


polypropylene fiber(pp


aramid fiber


glass fiber


metallic fiber


hollow fibers


microfiber


Filling cotton: fiberfill


filament


staple fiber


Special: tex


fiber density


fiber diameter


fiber fineness


fiber strength


fiber length


2. Relevant additives:


activated carbon


hot-melt adhesive


thermo-melt material


thermo-bonding powder


latex: latex


Dye: dyes


pigment: pigment


coating pigment


sponge: sponge


Additive: additives


adhesive: binder


Additive: auxiliary agent


Anti-aging agent: anti-oxidant


Antistatic agent: antisitatic agent


bactericide


flame retardant: flame retardant agent


Matting agent: delustrant


Desiccant: dehumidizer


Fluorescent brightener: optical brightener


Antifouling agent: soil-repellent


cleaning agent: cleaning agent


3. Production process and equipment


Opening machine: bale opener


opening


Cotton opener: opener


Cotton mixer: blender


Sorting: carding


doffer


Lola: roller


Thug: beater


lapping machine


cross lapping


parallel web laying: parallel laying


random web: random laying


air-laid


drying


drying cylinders


drying oven


Drum: dram


cylinder drying


dust cage


Conveyor curtain: lattice


winding: winding


edge cutting machine


needle-punching method: needle-punching


needling machine


chemical bonding process


chemical binder


foam bonding method: foam bonding


paste point machine


powder point machine


thermal bonding


thermal calendar ring


web formation


Meltblown method: melt brown


4. Non-manufactured fabric


adult diaper


baby diaper


baby wipe


artificial leather substrate


automotive carpet


automotive headliner


blanket


Sanitary napkins for women: feminine hygiene


interlining


geomembrane


geonets


Cloak: gown


home furnishings


Home blanket: house-wrap


industrial filter cloth


industrial wipe


interior decoration lining for automobile


interling for front part


interling for shoes and hats


Laboratory workwear: lab coat


mask: mask


medical bandage


medical gauze: medical gauze


medical mask


pillow case


protective apparel


roll goods


roof material


sanitary napkin: sanitary napkin


shoulder padding


spray cotton: spray-bonded nonwovens


surgical drape


Tablecloth: table cover


Wiping cloth: wipe


5. Quality and performance of non-manufactured fabrics


abrasion resistance: abrasion resistance


Breathability


basis weight


Comfort: comfortability


durability


flexibility skill


functionality


heat resistance


Hydrophilicity: hydrophility


hydrophobicity


intensity


Processing performance: processability


Protection: repellency


resiliency


shrinkage


Stability: softness


stiffness


temperature resistance


thickness: thickness


water resistance


wet strength


wrinkle resistance


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