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raw material usually trees, alternative-bamboo, wet spun, needs bleaching and washing, dry clean only, biodegrades ex.rayon, lyocell, acetate/triacetate
raw material from petrochemicals, spinning is clean, no washing but energy, easy care, does not biodegrade, often not recycled
ex.nylon, polyester, olefin, acrylic
wet spun, 1910/11, HWM- less aging, less strong chemicals, can be drawn, loss of strength when wet, more washable, high cost
solvent spun variation of wet spinning, amine oxide, rounder cross section, more drawing, produced from farm raised trees, moderate cost.
1924, dry spun, didn't dye with existing dyes, low cost with good draping, durable, weak when wet, not absorbent, resistant to bleach, lobular cross section, dry clean recommended.
environmental impact of regenerated fibers
soil erosion, destroy habitats, cutting old growth trees, management of old growth forests, acid rain, dry clean only
environmental impact of synthetics
drilling in sensitive ecosystems, loss of habitat, transport costs and hazards, oil spills, energy intensive.
least expense, direct process, high spinning speeds needed, no solvents, no washing, high energy use, fibers shaped like spinneret whole
1939, melt spun, cold drawn, elastic, low melting point, least sunlight resistance, dyeable, poor cover, oleophilic, hydrophobic, excellent resiliency, easy care.
1951, melt spun, hot drawn, hydrophilic, oleophilic, prone to static, good elasticity, used in fiberfil.
produced in 60's, low melting point, no ironing, strong, inexpensive, hydrophobic, good wicking, resistant to abrasion, lightweight, high tenacity, excellent resiliency, erodes soil.
addition polymer, dry or wet spun, excellent resiliency (does not wrinkle), excellent sunlight resistance, low density, pilling, non-biodegradable.
both natural source and synthetic, cannot be drycleaned, excellent elasticity, poor resistance to aging, sunlight, oil, and perspiration, low dyeability.
1958, wet spun, segmented polyurethane, superior to rubber in aging and tenacity, can be dry cleaned
1949, addition polymer, dry spun, hot drawn, flame retardant, less durable than acrylic, produces realistic fake furs.
producing synthetic fibers through addition
take one monomer and force it to react with itself which produces a single bond.
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