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Regenerated fibres and fabrics
What are they and where do they come from?
Regenerated fibre: natural cellulose treated with artificial chemicals to extract the fibre
Regenerated fibres are part natural and part artificial
Types of Regenerated Fibres
Regenerated fibres can be filament or staple and can be given many textures and properties
like synthetic fibres
Regenerated fibres have been made more environmentally friendly by making the production
of the fibre low energy (burning less fossil fuels) and using the closed loop process ( a
manufacturing…read more

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Case Study on the Development of Lyocell
What is Lyocell?
It is a fabric made from a tree and it softflowing, cool and comfortable
To feel it is like silk but to strength it is like cotton
Who invented it?
Originally done by Akso Nobel and but then got credit from Courtaulds in the 1970's
Courtaulds tried to produce the Lyocell fibre and the brand name was Tencel
He discovered that Lyocell had a great capacity for die yields with more vibrant colours being
produced…read more

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Smart Fabrics
What is a smart fabric?
It is a fabric that responds to outside influence without human intervention
It can sense certain conditions
It can react to certain conditions
It can adapt to certain conditions
What conditions will activate a smart fabric?
Heat thermochromic colour onto the surface of fabrics or printed on the surface will react
to heat and change colour
Moisture Solvation chromism mainly developed for disposable nonwoven textiles where a
fabric changes colour when wet
Light photochromic fabrics are dyed to…read more

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Nanotechnology Nanotex is one of the first manufacturers to help clothing become more
stain resistant and durable fabrics
Fibres and Fabrics
What are fibres?
Fibres are hairlike structures that is the basis of a yarn or fabric
They can be either staple a short fibre that needs to be twisted with others to make a yarn
They can also be filament a long fibre that can be used alone or twisted with others to make
a smooth yarn
What is a fabric?
They are made…read more

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Knitwearcashmeres, merino wools, and rich blends
Fashion accessories ­for men an women in silk, leather, silver and other precious
Fabric Construction ­ Woven
What are woven fabrics?
Weaving is the most common way of making a woven fabric
The yarns are interlaced at right angles to each other during the process
The horizontal yarn is called the weft
The vertical yarn is called the warp
As it runs vertically down the length of fabric is called the grain line
As it runs diagonally across…read more

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Terry towelling is a looped pile
Properties of Woven Fabrics
Edges don't fray until cut (selvedge)
Once fabric cut it will fray
Can be woven at different densities and have different weights
The fabric is at its strongest on the grain line
The fabric can stretch on a bias (diagonal)
Fabric Construction ­ NonWoven
How are nonwoven fabrics made?
They can either felted or bonded
The fabric uses fibres instead of yarns which are laid randomly in s uniform way to make
web like layers…read more

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Can be made in range of weights
Do not fray
Can be made into moulded shapes
Can be made from recycled fibres can be made soluble
Can be made to soften with heat and act like a glue (hemming)
Can easily pill (bobbles from the surface)
May be weaker when wet
Can be made permeable
Are cheap to produce
Will also take some of the properties of the fibre used in the web…read more

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Fabric Construction ­ NonWoven
What are laminated fabrics?
Made by bonding two or more fabrics together
Some fabrics require extra insulation
Sometimes comfort is an issue with PVC fabrics so a softer fabric needs to be bonded instead
of that lining
New Technology
Researchers are trying the develop the use of microencapsulation which means that many
nonwoven fabrics will be perfumed or have antibacterial properties…read more



Thanks this helped me so much :)

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