name any five synthetic fibre and write their properties and uses. please koi bato
Answers
Rayon
This is a type of synthetic fibre obtained from wood pulp.
Rayon fabric is soft, absorbent and comfortable.
It is easy to dye in a wide range of colours.
Rayon is mixed with cotton to make bedsheets.
Rayon is mixed with wool to make carpets.
2. Nylon
This type of synthetic fibre is obtained from coal, water and air.
Nylon is very lustrous, easy to wash and elastic.
It dries quickly and retains its shape.
Nylon finds its application in seat belts of car, sleeping bags, socks, ropes, etc.
Nylon is also used in ropes for rock climbing, making parachutes and fishing nets.
3. Polyester
This type of synthetic fibre is obtained from coal, water, air and petroleum.
Polyester is made from repeating units of a chemical known as esters.
Polyester is easy to wash and it remains wrinkle-free and it is quite suitable in making dress material.
Polyester retains its shape and remains crisp.
Polyester is used in making ropes, nets, raincoats, jackets, etc.
Answer:
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Explanation:
five synthetic fibres ➡️
Nylon (1931)
Modacrylic (1949)
Olefin (1949)
Acrylic (1950)
Polyester (1953)
uses➡️
Acrylonitrile rubber (1930)
Modern fibers that are made from older artificial materials include:
Glass fiber (1938) is used for:
industrial, automotive, and home insulation (glass wool)
reinforcement of composite materials (glass-reinforced plastic, glass fiber reinforced concrete)
specialty papers in battery separators and filtration
Metallic fiber (1946) is used for:
adding metallic properties to clothing for the purpose of fashion (usually made with composite plastic and metal foils)
elimination and prevention of static charge build-up
conducting electricity to transmit information
conduction of heat[