Science, asked by nainachamuah10, 5 months ago

UNIT 6: FABRICS
Polyester, a synthetic fibre, was invented in 1941 by British chemists Whinfield and Tennant
Dickson, and become increasingly popular in the 1970's, thanks to the way it was advertised - "a
miracle fibre that can be worn for 68 days straight without ironing, and still look presentable."
Polyester became known as a cheap and uncomfortable fabric. Unlike synthetic, natural fabrics
are breathable and hence more comfortable.
Question 21:
Sameer's mother buys poly-cotton (a blend of polyester and cotton) curtains for home but makes
sure that the clothes that Sameer wears are cotton. Some common perceptions about cotton and
polyster are listed below.
(i) Cotton wrinkles easily
(ii) Cotton absorbs moisture
(iii)Poly-cotton is easy to wash
(iv)Poly-cotton is environment friendly
(v) Poly-cotton is durable
to which Sameer's mother prefers to use​

Answers

Answered by Anonymous
1

Answer:

First invented in 1941 by British chemists John Rex Whinfield and James Tennant Dickson, and becoming increasingly popular in the 1970's, thanks to the way it was advertised as “a miracle fibre that can be worn for ... The main issue regarding synthetic fabrics, such as polyester, is that they don't breathe.

Answered by devaleenahazarika
3

Sameer's mother brought poly-cotton curtains because of the following reasons

i ) cotton wrinkles easily

iii) poly-cotton is easy to wash

v) poly- cotton is durable

as cotton wrinkles easily.. poly-cotton will be a better option for curtains as they are used for decoration.

poly-cotton is easy to wash hence it will be easy for her to wash the curtains easily in a short course of time.

poly-cotton is durable , hence she wouldn't need to buy new curtains every now and then.

HOPE IT HELPS YOU

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