4. All of these issues canAll of these issues can
be “fixed” throughbe “fixed” through
Nanotechnology!Nanotechnology!
5. NANOTECHNOLOGY
The study of control of matter on
atomic and molecular level
Involves engineering on a small scale
to create smaller, cheaper, lighter and
faster devices that can do more things
with less raw materials.
Nano-scale has generally been taken
to lie from 0.2nm (atom) to 100nm.
7. NANOFIBRES
Nano-fibres are generally taken to be
fibres with a diameter less than 1μm
(100nm).
Electrospinning is the major fibre
production method used to make nano-
fibres.
By manipulation of the electro-spinning
conditions, micro-filaments can be
produced
9. NANOFIBRES
Nano-fibres produced from synthetic fibre
materials can be formed with a high
surface area to volume ratio and small
pores sizes in fabric form.
10. USES OF NANO FIBERSUSES OF NANO FIBERS
The potential end uses for such
nano-fibres are in
filtration,
wound dressings,
tissue engineering,
nano-composites,
drug delivery devices
sensors.
11. NANO-COMPOSITES
FIBRES
Nano-composite fibres consist of
nano-fibres.
The particles may be spheres, fibrils
and by varying the amounts, their
alignment, and distribution within
the nano-fibre improvements in the
mechanical, electrical, optical or
biological properties may be
obtained.
13. CARBON NANO-TUBES
• The carbon nano-tubes
essentially consist of tiny
shells of graphite rolled up
into cylinders, either as
single tubes or multiple
tubes joined together.
27. FUTURE PROSPECTS
The main trust in nano-technologies
applied to
textiles, clothing and footwear will
be to:
Improve the properties and
performance of existing
materials;
Develop smart and intelligent
textiles with novel functions;
28. Greatly increase the use of fibres in technical
textiles, biomedical and healthcare options;
Open up new opportunities for fibres as
sensors.
30. REFERENCESREFERENCES
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