Yaa Spunbonding Method For Nonwoven Textile Production

Spunbonding Method for Nonwoven Fabric Production

Rofiquzzaman Raju
Fabric Technologist,
B.J.Group, Mawna, Gazipur
Email: rtextile.finance@gmail.com

Spunbonding:
Spunbonding is a procedure yesteryear which fabrics are produced straight from a thermoplastic polymer such equally polyester, nylon, polypropylene, or polyethylene. The molten polymer is extruded through a spinneret, cooled slightly inwards the air, too pose on a moving conveyor belt to cast a continuous web. As the spider web cools, the fibers bond.

Spunbonding Method for Nonwoven Production

Spunbonding method is used for man-made filament fibers that melt nether heat, such equally polyester. Spunbond fabrics are produced yesteryear depositing extruded, spun filaments onto a collecting belt inwards a uniform random fashion followed yesteryear bonding the fibers. Spunbond fabrics are characterized yesteryear tensile, tear, too outburst strengths, elongation-to-break, weight, thickness, porosity too stability to estrus too chemicals. Spunbond products are employed inwards rug backing, geotextiles, too disposable medical/hygiene products. Since the stuff production is combined amongst fiber production, the procedure is mostly to a greater extent than economical than when using staple fiber to brand nonwoven fabrics.

Web forming yesteryear the Spunbonding method

The designing of the spun-bonded stuff too organization of the fibers tin live varied inwards several ways. The spinneret tin live rotated to deliver filaments inwards dissimilar patterns too arrangements; a jet of air (a controlled flow of air) tin live introduced to tangle the filaments; the conveyor tin live moved at variable speeds to collect dissimilar quantities of filaments at selected locations; too applying an electrical accuse to brand the fibers loop too crimp.

Spunbonded fabrics are potent because of the filament fibres too are non easily torn. They are used for a broad multifariousness of products ranging from clothe interlinings, rug backing, article of furniture too bedding to bagging too packing material. Spunbonded fabrics may live used inwards geotextiles to command erosion or inwards constructing road. Some spunbonds made from olefins are used equally a tough, peculiarly durable substitute for newspaper inwards wallcoverings, charts, maps, tags too the like.

Fabrics made yesteryear this procedure include Mirafi 140, made from nylon too polypropylene; Celestra polypropylene; Reemay polyester; Tyvek polyethylene; Typar polypropylene; Bondtex polyester; Cerex nylon; too Bidim polyester.