6.2 Sources & Origins Flashcards
State 4 natural fibres
2 - animal
2 - plant
Animal: silk, wool
Plant: cotton, linen
State 4 properties of silk
comfortable to wear, strong when dry, creases, good handle
State 3 end uses of silk
luxury clothing/lingerie, knitwear, soft furnishing
State 6 properties of linen
strong, poor insulator, cool to wear, flammable, creases, good handle,
State 3 end uses of linen
lightweight (summer) clothing, table linen, soft furnishing
Describe 2 differences between synthetic and natural fibres
Natural - prone to attacks from moths/insects
Synthetic - stronger, more resilient + readily available
What are regenerated fibres?
They are part natural (cellulosic - from a plant source) and part chemical (chemicals are used in the extraction of the wood pulp)
- similar properties to natural fibres
Name 3 regenerated fibres
viscose, acetate, tencel
Source & uses of polyamide (nylon)
5 uses
Source - chemicals
Uses - clothing, carpets, rugs, seat belts, ropes
State 5 properties of nylon
strong, hardwearing,
poor absorbency, melts as it burns, thermoforming,
Source & uses of elastene
source: petrochemicals
use: clothing (swim/sports wear), - where strech, comfort and fit are important
State 5 properties of elastane
stretchy, elastic, hardwearing, strong, lightweight
Name 4 types of weaves
plain
twill
satin
pile
Describe a satin weave (3)
- weft yarns go over 4 & under 1 warp
- creates a shiny, lustruous surface
- jaquard designs
Describe a pile weave
- has a raised, looped surface that can be cut
- created by including an extra weft yarn in the weave
- velvet