gcse textiles fabrics fibres and construction
- Created by: rebecca
- Created on: 20-05-13 17:43
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- Fibres, yarns and fabrics
- fibre spun into
- yarn
- woven, knitted bonded into fabric
- natural synthetic and regenerated
- natural
- animal wool silk angora cashmere alpaca
- plant: jute, hemp, linen, cotton
- synthetic: acrylic, pvc, polyeter nylon Tactel elastomeric
- regenerated: viscose, tencel, cupro, modal, lyocell, acetate
- natural
- spinning
- worsted smooth
- woollen hairy
- yarn
- weaving
- fray easily, strongest along grain, not elastic, closer weave means stronger and firmer
- plain
- selvedge
- bias
- lots of variations
- strong
- hardwearing
- fashion and furnishing fabrics
- twill
- over 2 under 2 weft moves over warp thread each time
- forms diagonal pattern
- strong
- drapes well
- jeans uniforms jackets
- satin
- warp over 1 under 3, weft over three under 1
- weft lies on surface
- weakest
- shiny
- snags
- usedto produce polyester satin
- strong warp-wise
- drapes well
- knitted
- made from yarn
- series of interlocking loops
- elastic
- warm
- can be napped or brushed
- weft knitted , horizontal rows of interlocking loops
- hand or machine
- ladders
- stretches
- comfortable
- socks jumpers t shirts
- warp knitted
- vertical columns
- less elastic
- firmer
- used for swimwear underwear geotextiles
- non woven
- wool felts
- fibres matted together
- animal hair or wool
- fibre web squashes together with moisture a machine and heat
- fibres become tangles
- used for hats jackets and slippers
- needle felts
- fibres tangled and interlocked as are passed through lots of barbed needles dragging the fibres up and down forwards na backwards tangling the fibres
- laminated fabrics
- fabrics bonded for extra properties
- can be made waterproof and breathable
- gortex and sympatex
- bonded fabrics
- adhesive, solvent or lines of stitching uses to bond fibres together
- disposable fabrics , cleaning fabrics medical masks
- interfacing and stiffening
- raw fibres using chemicals to mat, heat to bong or stitching
- no grain , don't stretch or fray not as strong and are permeable
- can be moulded made from rectycled fibres, cheap, weaker when wet, easily pill
- wool felts
- fibre spun into
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