2100 1E(b) acrylic PP - Chapter 1, Part E 3. Acrylic and...

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Chapter 1, Part E 3. Acrylic and Modacrylic Fibers TXMI 2100
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History C. Moureu (French Chemist) 1893-1894: reported synthesis of polymer, little attention received Du Pont 1943: discovery of solvents for spinning 1944 ; first acrylic fiber “Orlon” produced Rapid developments Union Carbide 1948: first continuous filament modacrylic fiber “Vinyon N” produced
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Physical Properties Tenacity : moderate, 2.0-3.6 g/d Elongation/Elastic Recovery : good (less than nylon and polyester), 25% breaking elongation Resiliency : high Moisture Regain : low, 1.0-2.5% (higher than polyester and polyolefin) Hand : Soft Static chare : high Dimensional stability : good
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Thermal Properties and Others More heat resistant, not a typical thermoplastics Lower flammability than most synthetic fibers; some modacrylic fibers are flame retardant fibers Resistant to acids, bases, most organic solvent, insects, microorganism, and sunlight
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Uses of Acrylic Fibers Apparel (k nits and woven fabrics ) Sweater Socks Coats… Home Furnishing Blankets Upholstery Industry Uses
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2100 1E(b) acrylic PP - Chapter 1, Part E 3. Acrylic and...

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