Fibre to fabric

Fibre to fabric

By Joel Fernando 

Learning objectives 

• To enable students to classify between natural and man-made fibre .

• To make them know the uses of fibre .

• To make them know about the properties of wool .

What is fibre ?

• Clothes are made from fibre which is a long' strong and flexible thread like arrangement .

• Fibres which are obtained from plants or animals are termed as natural fibre .

• Man-made fibres are known as synthetic fibres .

What are the characterstics of fibre ?

• Fibres are more stronger and durable than rubber .

• It is lightweight .

Fibres are classified into 2 groups Natural fibre and Man-made fibre . 

Natural Fibres 

• Fibres that are produced by plants, animals, and geological processes.

• Natural fibers can also be matted into sheets to make paper or felt.

• Fibres obtained from plants and animals that can be spun into filament, thread or rope are termed as ‘Natural fibres’. They may be woven, knitted, matted or bonded

• Eg :- Coir ,cotton ,silk ,wool ,etc .

Man-made fibres

• Man-made fibres are also known as synthetic fibres .

• Man-made or chemical fibers are fibers whose chemical composition, structure, and properties are significantly modified during the manufacturing process.

• Man-made fibers consist of regenerated fibers and synthetic fibers.

• Eg :- Nylon ,polyster ,etc .

Open Ended

What are fibres ? What do you understand by the term fibre ?

Wool 

Wool is a natural fibre which is obtained from the fur of animals like sheep, goat, yak ,etc . These animals bear two types of hair – coarse hair and fine hair. Fine soft hair is found close to the skins of these animals. The fine soft under the layer of their thick hair is called ‘fleece’. The wool fibre has been in use since the times people used stone knifes for removing the hair coat of sheep .

 

Animals which gives wool .

What are the uses of wool ?

• It is used to make sweaters ,shawls that keep us warm .

• It is used in Furniture and Soft Furnishings .

• It is also used in the Firefighting uniform of fire man .

• It is also used in soundproofing .

Multiple Choice

What is wool ?

• It is a natural fibre obtained from the fur of the animals .

• It is a man-made fibre made using chemicals .

What are the properties of wool ?

• Wool has natural high UV protection .

• It is flame retardant  .

• It is bio-degradable .

• It is breathable .

• It is non-allergenic .

• It is durable and elastic .

• Modern wool can be machine washed it is also easy to spun .  
  

Do you know 

• Wool products also use less energy than man-made fibres during manufracture .

• Shatoosh is the king of wools .It is the undercoat of the tibetan antelope .It is considered to be world's finest and warmest wool .

• Sheep were domesticated (tamed) in southwestern Asia about 11,000 years ago and now about 1 billion are now widely bred around the world.

• Australia is the world's largest producer of raw wool, growing about 30 percent of the total world supply.

This ia a Tibetan antelope .

Assignment

• Find out the 2 different uses of wool ,natura fibre and artificial fibre.

• Find out how wool  is taken from the sheep and give a detailed explanation .

Poll

Did you like this session

• Yes very informative

• No