what are the synthetic fibres ? how are they prepared ? name two examples of such fibres .
Answers
Answer:
Rayon. This is a type of synthetic fibre obtained from wood pulp. Rayon fabric is soft, absorbent and comfortable. ...
Nylon. This type of synthetic fibre is obtained from coal, water and air. ...
Polyester. This type of synthetic fibre is obtained from coal, water, air and petroleum.
In general, synthetic fibers are created by extruding fiber-forming materials through spinnerets into air and water, forming a thread. Before synthetic fibers were developed, artificially manufactured fibers were made from polymers obtained from petrochemicals.
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Answer:
A Synthetic Fibre is a chain of small units of chemical substance joined together. Many such single units combine to form single unit called Polymer. Polymer means made of many units joined together For example-
Rayon- Rayon is synthesized from wood pulp. Rayon resembles silk, so it is also known as artificial silk. Rayon can be dyed in different colours and is much cheaper than silk.
Nylon- Nylon was first commercially synthesized fibre. Nylon is synthesized from coal, water and air. Nylon is very strong and its fabric is like silk.