Download - Acrylic Fiber
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ACRYLIC FIBER Synthetic fiber, comparable with wool. 85% Acrylonitrile Formed from dye and wet spinningMonomer Range : 1.9k to 100k. Used 100% alone or blended with another
fiber. Unique synthetic fiber.
Reference : http://www.aksa.com/
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HISTORY
DUPONT created the first acrylic fibers in 1941It was first developed in the mid-1940s Give the trade name OrlonStart product large quantity at 1950s
Reference : http://www.dupont.com/
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GLOBAL PRODUCTION
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GLOBAL PRODUCTION
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WORLD CONSUMPTION
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ACRYLONITRILE
Acetylene Hydrogen cyanide
OR
Reference: http://textilelearner.blogspot.com/
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CO-MONOMERS
POLYMERISATION
vinyl chloride(H2C=CHCl), Methyl acrylate (CH2CHCO2CH3)
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MANUFACTURING PROCESS
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MANUFACTURING PROCESS
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Tenacity MOISTURE REGAIN%
DPDRY: 35.3-36.2(cN/tex)WET:26.5-33.5 (cN/tex)
At 65) : 1.00-2.0%At 95 : 1.5-3.0% At 100
2000!!!ELONGRATION THERMAL PROPERTY
CHEMICAL COMPOSITION
Staple: 20-55%Filament: 30-36%
Softening range: Melting point: have no true melting pointDecomposition being: 280-330
85% polyacrylonitrile
ELASTIC RECOVERY Dimension
90-95% at 1% extension85% after 4% extension50-60% after 10% extension
Approximate thickness: 0.3-0.53nm
SPECIFIC GRAVITY POLYMER SYSTEM
1.16-1.18 Amorphous region: 30-20%Crystalline region: 70-80%
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Acid: It has good resistance to mineral acid. Alkali: The resistance to weak alkali is fairly good but hot strong alkali damages
this fiber. Solvent: It has excellent resistance to common solvents, oils, greases, and natural
salts. Water: moisture regain of this fiber varies from 1.5% to 3%. Easy to wash and
quick drying. Effect of heat and sunlight: This fiber has very good thermal stability. Safe ironing temperature is at 1600C. At
230 – 2350C acrylic sticks with the iron i.e. melting occurs. High temperature may sometime causes yellowing of this fiber.
Effect of Biological agents This fiber is unaffected by mildew, molds, laves and insects.
CHEMICAL PROPERTY
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Acrylic Fiber Characteristics1. Lighter than wool fibers, and fabric hand with bulkiness.
2. Superior in warm retention, light and warm.
3. Superior in elastic recovery, and resistant to crease.
4. Excellent in color development and can be dyed in desired color.
5. Little affected by sunlight.6. Resistant to chemicals and cannot be
attacked by molds and insects.7. Thermoplastic
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End use• [FOR CLOTHING] Sweaters, Women's and Children's Wear, Sports Wear, Socks, Knitted Underwear, Pajamas, Gloves, etc
• [FOR HOME FURNISHINGS AND BEDDING]Carpets, A Variety of Rugs, Upholstery, Cushions, Blankets, Pile Sheets, etc.
• [FOR INDUSTRIAL USES]Felts for Paper Making, Filter Cloth, Alternative Asbestos, Tents, Sheet, etc.
• [FOR OTHER USES]Rag Doll, Toys, Auxiliary Tapes for Bags, Braids, Cloth for Bags, Wigs, etc.
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