Chapter_24_-_Physical-Mechanical_Finishes_-_Fall_2011_-_Student_Version

Chapter_24_-_Physical-Mechanical_Finishes_-_Fall_2011_-_Student_Version

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PHYSICAL/MECHANICAL FINISHES CHAPTER 24 1
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PHYSICAL/MECHANICAL FINISHES Finishes are applied to 1. enhance aesthetics 2. change appearance, hand, and/or texture 3. improve performance in resisting a challenge flames, dirt, moths, water 2
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PHYSICAL/MECHANICAL FINISHES permanent finish durable finish/semidurable finish nondurable finish renewable finish 3
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SURFACE FINISHES Calendering calendering a mechanical finish achieved by pressing fabrics between series of 2 or more rollers to smooth fabric and/or create interesting surface effects cellulosic fibers limited durability unless chemical resin treated thermoplastic fibers durable with heated rollers 4
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SURFACE FINISHES Calendering Simple Calendering dampened cloth passed between heated rolls smooths, flattens, gives slight gloss 5
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SURFACE FINISHES Calendering Schreinering 1. roll embossed with 250 fine diagonal lines per inch 2. flattens yarns 6
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SURFACE FINISHES Calendering Glazing friction calender 1. starch or resin 2. heated roller, slow moving fabric 3. highly glazed, polished surface results 7
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SURFACE FINISHES Calendering Cir é ing ciré fabric natural fibers, rayon waxes thermoplastic resins heat sensitive synthetics fuse slightly with heat hydrophobic fibers some degree of water repellency 8
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SURFACE FINISHES Calendering Embossing pressing a raised/lowered design on fabric engraved roller + paper roller surface texture lower cost than woven design 9
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Chapter_24_-_Physical-Mechanical_Finishes_-_Fall_2011_-_Student_Version

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