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Question
What is Polymerisation? Write the names of any three polymers and their one main use.
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Solution
The process of formation of molecules of polymers bye the combination of small unit molecules, is called polymerisation
Polymers are large molecules, consisting of a large number of small units called monomers e.g. when Ethylene is heated at high temperature and high pressure, its molecules unite together to form a high molecular weight compound called Polythene. This process is called Polymerisation.
n(CH2=CH2)Polymerisation−−−−−−−−−−−−−−−−−−−−−−−−−−−−−→Hightemperatureandhighpressure(−CH2−CH2−)nPolythene where n is the number of molecules.
In the same way, Polyvinyl Chloride (P.V.C.), Teflon, Neoprin etc. are also polymers.
Some important polymers, their method of preparation, properties and uses -
1. Polythese (Poly + Ethene = Polythene) It is a synthetic polymer of the additional series.
It's monomer unit is ethylene.
n(CH2=CH2)Polymerisation−−−−−−−−−→1000−200A.P.(−CH2−CH2−)nPolythene
Property - It is transparent, elastic, strong, and solid plastic.
use - It is used in making raincoats, toys, pipes, bags etc.
2.Polyvinyl Chloride (P.V.C.) - It is also synthetic polymer of additional series. It's monomer unit is Vinyl chloride.
CH2=CH.Cl(VinylChloride)⟶−CH2CH|clPolyVinylChloride
Properties - It is a hard polymer.
Uses - It is used in making floor tiles, pipes, toys etc.\
n(CF2=CF2)Tetra∗∗FluroEthnene⟶(−CF2−CF2−)nTeflon
Properties - It is a hard and heat resistant substance.
Uses - It is used in making non stick utensils.
Polymers are large molecules, consisting of a large number of small units called monomers e.g. when Ethylene is heated at high temperature and high pressure, its molecules unite together to form a high molecular weight compound called Polythene. This process is called Polymerisation.
n(CH2=CH2)Polymerisation−−−−−−−−−−−−−−−−−−−−−−−−−−−−−→Hightemperatureandhighpressure(−CH2−CH2−)nPolythene where n is the number of molecules.
In the same way, Polyvinyl Chloride (P.V.C.), Teflon, Neoprin etc. are also polymers.
Some important polymers, their method of preparation, properties and uses -
1. Polythese (Poly + Ethene = Polythene) It is a synthetic polymer of the additional series.
It's monomer unit is ethylene.
n(CH2=CH2)Polymerisation−−−−−−−−−→1000−200A.P.(−CH2−CH2−)nPolythene
Property - It is transparent, elastic, strong, and solid plastic.
use - It is used in making raincoats, toys, pipes, bags etc.
2.Polyvinyl Chloride (P.V.C.) - It is also synthetic polymer of additional series. It's monomer unit is Vinyl chloride.
CH2=CH.Cl(VinylChloride)⟶−CH2CH|clPolyVinylChloride
Properties - It is a hard polymer.
Uses - It is used in making floor tiles, pipes, toys etc.\
n(CF2=CF2)Tetra∗∗FluroEthnene⟶(−CF2−CF2−)nTeflon
Properties - It is a hard and heat resistant substance.
Uses - It is used in making non stick utensils.
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