Nonwovens Glossary - INDA

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Wet laying or Wet forming Wet laid nonwovens are produced in a process similar to paper making. The nonwoven web is produced by filtering an aqueous suspension of fiber onto a screen conveyor belt or perforated drum. Many wet laid nonwovens are made with wood pulp or other natural fibers blended with synthetic fibers or fiberglass. Wet laid nonwoven A wet laid web bonded by one or more techniques to provide fabric integrity. Wet laid web A web of fibers produced by the wet laying process. Wet spinning The process of passing a fiber forming polymer through spinnerets and coagulating the polymer into fibers in a chemical bath. Wet strength The resistance of a fabric to being torn when it is wet. Usually compared to its strength when dry. Wetting agent Additive adsorbed to material surface that prevents water repellency and helps to spread liquid on the surface. Wicking Transport of liquid within an absorbent fabric, vertically into the fabric web and horizontally within the plane of the fabric. Wood pulp Cellulosic fibers used to make viscose rayon, paper and the absorbent cores of products such as diapers, sanitary napkins and adult incontinence pads. Wrinkle A small crease or fold in a fabric which is generally short in length and usually irregular. Wrinkle resistance The ability of a fabric to resist remaining creased, wet or dry, after it has been crushed and compressed. Nonwovens Glossary 63
Xx, Yy, Zz Yarn A continuous strand of fibers or filaments that are twisted together, to enable its conversion into a woven, knitted or braided fabric. Yield The number of square meters (square yards) produced by a kilogram (pound) of fiber or resin. Yield point The point at which a tangent to the stress-strain curve is parallel to a line joining the origin to the breaking point. Zwitterionic surfactant A chemical additive bearing both positive and negative charges that change the surface energy between two materials. 64 Nonwovens Glossary
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Association of the Nonwoven Fabrics
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Graphic Design and Printing Margare
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Foreword This is the first printing
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Activated carbon A form of carbon c
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Anionic compound A chemical carryin
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Bb BLC See Barrier Leg Cuff. Back c
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Boardy The quality of stiffness in
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Carded nonwoven A nonwoven produced
Page 17 and 18: Clothing When used to describe a ca
Page 19 and 20: Cover stock A lightweight nonwoven
Page 21 and 22: Dd Decitex (Dtex) Weight in grams o
Page 23 and 24: Doffer loading Refers to fibers fir
Page 25 and 26: Ee Efficiency The ability of a filt
Page 27 and 28: Ff Fabric A sheet structure made fr
Page 29 and 30: Finish Substance added to fibers an
Page 31 and 32: Gg Garnett The garnett is a fiber p
Page 33 and 34: Hh Hammermill A device used to defi
Page 35 and 36: Ii Ignition The beginning of combus
Page 37 and 38: Kk Knitted fabric A fabric made fro
Page 39 and 40: Lint Particles and short fibers tha
Page 41 and 42: Melt blowing A nonwoven web forming
Page 43 and 44: Monomer A chemical compound that ca
Page 45 and 46: Needle board In the needlepunched t
Page 47 and 48: Overlap Refers to the area where th
Page 49 and 50: Physical property The response of a
Page 51 and 52: Primary backing The fabric into whi
Page 53 and 54: Rr Random laying Forming a web in s
Page 55 and 56: Ss Saturation bonding A web bonding
Page 57 and 58: Solution spinning See Dry Spinning.
Page 59 and 60: Spunlace bonding, Spunlaced bonding
Page 61 and 62: Stretch The ability of a fabric to
Page 63 and 64: TFPIA Textile Fiber Products Identi
Page 65 and 66: Uu ULPA The acronym for Ultra Low P
Page 67: Ww Warp The yarns that run in the m
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Nonwovens Glossary - INDA

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