paragraph on polyester and acrilic

Dear student,
POLYESTER: Polyester is a category of polymers which contain the ester functional group in their main chain. Although there are many polyesters, the term "polyester" as a specific material most commonly refers to polyethylene terephthalate (PET).  Natural polyesters and a few synthetic ones are biodegradable, but most synthetic polyesters are not.Depending on the chemical structure, polyester can be a thermoplastic or thermoset; however, the most common polyesters are thermoplastics. 
Polyester (Poly+ester) is actually made up of repeating units of a chemical called an ester .Esters are the chemicals which give fruits their smell.

ACRYLIC: Acrylic is a synthetic material made from the polymer acrylonitrile. It has similar properties as that of wool i.e. lightweight and warm.
Advantages of acrylic are :-
1) It holds colour fast, is resistant to damage by sunlight and does not get affected by moths. It can also be washed very easily.
2) Acrylic cloth is used to make socks, sweaters, awnings, boat covers, hats, gloves and a range of other materials.
3) Acrylic paint is a fast drying pigment suspension in a acrylic polymer emulsion. Once mixed with water and dried, it becomes resistant to water. It's main advantage lies in the fact that it serves the purpose well for an artist who want to finish their painting quickly. Once painted on a surface like a wall, it does not get removed very easily.  


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