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Prepared By : Prepared By : Mazadul Hasan sheshir ID: 2010000400008 13thBatch (session 2009-2013) Department : Wet Processing Technology Email: mazadulhasan@yahoo.com Blog : www. Textilelab.blogspot.com (visit) Southeast University Department Of Textile Engineering I/A 251,252 Tejgaon Dhaka Bangladesh
What is Nonwoven Fabric ? Nonwoven fabrics are broadly defined as sheet or web structures bonded together filaments (and by perforating thermally, or chemically. They are not made by weaving or knitting and do not require converting the fibers to yarn. Nonwoven Fabric is a fabric-like material made from long fibers, bonded together by chemical, mechanical, heat or solvent treatment. The binding process usually occurs through the pressing of fibres together with an adhesive, chemical binder, heat, ultrasonic pattern bonding. The popularity of Nonwoven fabrics is increasing day by day because of low cost & they are hygienic & they are easily disposal . But thecan’t easily be washed or reused properly. by entangling films) fiber or mechanically,
Uses of Nonwoven Fabric Household Geotextiles Industrial/Military Health Care Aprons Soil stabilization Coated fabrics Shoe covers Tea and coffee bags Drainage Clean room apparel Lens tissue Tablecloths Road and railroad beds Air conditioning filters Surgical: caps, gowns, masks, Ironing board pads Sedimentation and erosion Military clothing Diapers Fabric softener sheets Pond liners Conveyor belts Bandages, tapes
Classification Of Nonwoven Fabrics
Raw materials for Nonwoven Fabric production Fibrous Matter Cotton Rayon Acetate Wool Polyamides and polyester Acrylic Other fibers
PROPERTIES OF NONWOVEN FABRICS PRDUCED USING DIFFERENT FIBROUS MATTER
GENERAL PRODUCTION STEPS FOR NONWOVEN FABRIC MANUFACTURING
PROPERTIES DESIRED IN A BONDING AGENT Strength Adhesion to Fibers Flexibility/handle Elastic Recovery Minimum film forming temperature Resistance to washing/ Drying cleaning Good color and color retention Economical Other special requirements
Types Of Binder Acrylic Styrenated acrylic Vinyl Acetate (VAC) Vinyl Acrylics Ethylene Vinyl Acetate (EVA) Polyvinyl Chloride (PVC) Ethylene/Vinyl Chloride Polyvinlyalcohol (PVA)
MECHANICAL BONDING : - NEEDLE PUNCHING TECHNOLOGY
ADHESIVE BONDING OR CHEMICAL BONDING : - SATURATION ADHESIVE BONDING
DISCONTINUOUS BONDING :- THERMAL BONDING
http://www.textilelab.blogspot.com (Visit ) My Facebook Textile related Pages 1. Yarn Manufacturing Technology Link : http://www.facebook.com/pages/Yarn-Manufacturing- Technology/485014954866808 2. Fabric Manufacturing Technology Link : http://www.facebook.com/pages/Fabric-Manufacturing- Technology/459520217425605 3. Garments Manufacturing Technology Link : http://www.facebook.com/pages/Garments-Manufacturing- Technology/472364799463126 3. Wet processing Technology Link : http://www.facebook.com/pages/Wet-Processing-Technology-Dyeing- /468645219825404 4. Fashion-Design-and-Technology Link : http://www.facebook.com/pages/Fashion-Design-and- Technology/587655294583875?ref=ts&fref=ts