textiles AQA AS level

Natural plant/veg (Cellulosic)
Cotton, Linen, Ramie, Jute, Hemp, Pineapple, Banboo
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Natural animal (Protein)
Wool, Silk, Cashmere, Mohair, Angora, Llama, Vicuna
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Regenerated (Natural Polymers)
Viscose, Modal, Lyocell, Tencel, Acetate, Triacetate
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Trevira, Polartec
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Nylon, Tactel, Supplex
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Aramid fibres - to make clothing/equiptment more safe/durable
Kevlar, Nomex, Zylon, Cordura
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Elastomeric Fibres
Lycra, Spandex
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Properties of Cellulose Fibres
Strong, absorbs moisture - long time to dry, washed and ironed at high temp, crease badly and shrink, easy to set alight.
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Soft, warm because of the natural crimp. does not crease easily, natural water repellent. Absorbs moisture, does not set alight + Shrinks.
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lightweight, smooth and has lustre. strong fibre, weak when wet, warm and absorbant, creases easily and is expensive.
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similar to cotton, absorbant, not very strong, shrinks, silky feel.
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synthetic fibres
eg.polyester,nylon. strong, lightweight, dry quickly, (not waterproof!) they are thermoplastic - soft when hot, dry fibres, do not set alight - melt and drip.
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reasons to blend fibres
reduce cost, different texture, strength, make a fabric with specific qualities
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giving yarns texture?
a false twist, Bulked continuous filament - jet of hot fluid pushed thermoplastic yarns against a cold surface. Air jet texture - a jet of compressed air is directed at continuous filament yarn.
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plain weave
simplest weave, inexpensive, good for printing, firm, strong.
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Twill weave
produce diagonal lines, hard wearing, eg. denim
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Satin weave
smooth and lustrous appearance
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warp pile weave
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weft pile weave
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Corduroy and needlecord
pile runs parallel to selvedge (needlecord very thin)
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uncut loop pile weaves.
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weft knit
horozontal row - course. Vertical row - wale. stretchy
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warp knit
--> course ^ wale. less stretchy
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features of non woven
cheap, no 'grain', do not fray, not as strong as woven or knitted, have no drape.
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fabric finishes
shrink resistant, crease resistant, stain replellent.
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growing cotton? environment
growing cotton uses valuable land that could be used for crops, growing cotton uses fertilizers that can pollute waters, be a health risk to people and farmers, uses vast amount of waters
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ethical and social
less developed countries - paid unfairly to work long hours in poor working conditions using dangerous machinery.
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Other cards in this set

Card 2


Wool, Silk, Cashmere, Mohair, Angora, Llama, Vicuna


Natural animal (Protein)

Card 3


Viscose, Modal, Lyocell, Tencel, Acetate, Triacetate


Preview of the back of card 3

Card 4


Trevira, Polartec


Preview of the back of card 4

Card 5


Nylon, Tactel, Supplex


Preview of the back of card 5
View more cards


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