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Rayon Video Lecture - Class 8
FAQs on Rayon Video Lecture - Class 8
| 1. What is rayon? |  |
Rayon is a semi-synthetic fiber made from cellulose, which is derived from wood pulp or other plant-based materials. It is known for its softness, breathability, and ability to imitate the feel and drape of natural fibers like cotton and silk.
| 2. How is rayon made? | |
Rayon is made through a multi-step process that begins with dissolving cellulose in a chemical solution. The resulting viscous liquid is then forced through spinnerets to form filaments, which are then chemically treated to solidify and strengthen them. The resulting fibers are then spun into yarns and woven or knitted into fabrics.
| 3. What are the properties of rayon? | |
Rayon has several desirable properties, including good absorbency, breathability, and drape. It is also known for its silk-like luster, softness, and comfort. However, it is prone to shrinkage, wrinkling, and losing strength when wet.
| 4. Is rayon a natural or synthetic fiber? | |
Rayon is considered a semi-synthetic fiber because it is derived from natural cellulose but undergoes extensive chemical processing to transform it into a fiber. It is not purely natural like cotton or purely synthetic like polyester.
| 5. What are the uses of rayon? | |
Rayon is widely used in the textile industry for various applications. It is commonly used in clothing, such as dresses, blouses, and shirts, due to its softness and drape. It is also used in home furnishings, such as curtains and upholstery, as well as in medical supplies, industrial products, and paper production.
Text Transcript from Video
rayon in our earlier session we
about some of synthetic fibers now let
us learn about rayon which is one of the
synthetic fiber did you ever hear about
silk clothes probably he might have
heard of seen them in your mother's
wardrobe silk is famous for its texture
which is fascinating natural silk is
obtained from silkworms but the
production and maintenance of silk is
very difficult and expensive after many
years of research scientists succeeded
in making of artificial silk in 19th
century the artificial silk is called as
rayon this artificial silk fiber is
named as rayon in 1924 the first
commercial production of rayon is
achieved in u.s. in 1911 in India the
first rayon factory was established in
Kerala in 1946
about some of synthetic fibers now let
us learn about rayon which is one of the
synthetic fiber did you ever hear about
silk clothes probably he might have
heard of seen them in your mother's
wardrobe silk is famous for its texture
which is fascinating natural silk is
obtained from silkworms but the
production and maintenance of silk is
very difficult and expensive after many
years of research scientists succeeded
in making of artificial silk in 19th
century the artificial silk is called as
rayon this artificial silk fiber is
named as rayon in 1924 the first
commercial production of rayon is
achieved in u.s. in 1911 in India the
first rayon factory was established in
Kerala in 1946
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Nov 15, 2024 Last updated |
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