Polyester Properties and Uses


 
 
Concept Explanation
 

Polyester Properties and Uses

Polyethylene Terephthalate (PETE or PET)

It is a well known polyester polymer. This is also known as terylene or dacron. They are made from petroleum products. Terylene, dacrons and terene are polyester fibre. Polyester clothes are long lasting, water and wrinkle resistant and are of different types. The most commonly used polyester is Terylene. It is blended with natural fibres to improve its properties. Among synthetic fibres the polysters, are most widely used. They account for about one- half of all synthetic fibres.

  • Terycot is a blend of cotton and terylene.
  • Terylene is blended with wool to make terrywool.
  • Properties

  • It is strong, lightweight, and has good elasticity.
  • It is wrinkle resistant as it resists wrinking and springs back into shape when creased.
  • Polyester fabrics can be washed and dried easily and quickly.
  • Uses

  • Used for making sarees, dress materials, curtains and clothes.
  • It is used for making sails for sail boats.
  •  It is used for making conveyor belts.
  • It is used for making lightweight sails.
  • Polyester films known as Mylar are used for making magnetic recording tapes, in audio cassettes, video cassettes etc.
  •                                                             

    Polyester is another synthetic fibre. Actually polyester is the general name of synthetic fibres which contain many ester groups. Polyester (poly+ester) is made up of the repeating units of a chemical called an 'ester' (Esters are the organic chemical substances which give fruits their sweet smell). We can now say that polyester is a synthetic fibre in which the polymer units are linked by ester groups. Terylene is a popular polyester fibre. The chemical compunds (or monomers) used in making polyester fibres are made from petroleum products called petrochemicals. Like nylon, polyester is also a thermoplastic polymer. When molten polyester is forced through the tiny holes of a spinneret, then thin polyester fibres (or polyester threads) are formed. The polyester yarn can be woven to make fabrics.

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    Sample Questions
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    Question : 1

    Polycot is obtained by mixing ___________

    Right Option : A
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    Explanation
    Question : 2

    Polycot is obtained by mixing _________-

    Right Option : D
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    Explanation
    Question : 3

    Which one of the following statements is correct ?

    Staments A : Terylene is a popular fibre

    Statements B :  Polyester fabric is wrinkle resistant

    Right Option : C
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    Explanation
     
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