Polymers

Short Answer Type

Advertisement
Zigya App

What are polyamides? How is nylon-66 synthesised? Give its uses.

Polyamide: It is synthetic polymers. These polymers possessing amide linkages between the amino group of one molecule with carboxylic group of other molecule, known as polyamide polymers. For example nylon-66 is synthesised from adipic acid and hexamethylene diamine.



Uses: It is used:
(i) in making bristles of brushes.
(ii) in textiles and also poor making sheets. It is blended with wool to make socks and sweaters. (iii) In the manufacture of cords and climbing ropes.
231 Views
  • Switch
    • Advertisement

    Write the equations for the synthesis of:
    Glyptal.
    Also give one important use of it.

    490 Views
    Answer

    Write the equations for the synthesis of:
    Polyacrylonitrile
    Also give one important use of it.

    167 Views
    Answer

    Write the equations for the synthesis of:
    Teflon, Also give one important use of it ?

    329 Views
    Answer

    Comment on:
    (a)    PVC is a hard plastic but polyethylene is soft  wax-like.

    (b)    Addition of sulphur to nutural rubber improves its properties.

    (c)    Polypropylene is preferred ever polyethylene.

    146 Views
    Answer
    Advertisement

    What is orlon? Give its method of preparation. Give one of its uses.

    1958 Views
    Answer

    Write the equations for the synthesis of:
    Polymethyl methacrylate
    Also give one important use of it.

    133 Views
    Answer

    Long Answer Type

    Briefly describe the following terms giving one example of each:
    (i) Polyolefins   
    (ii) Polyamides
    (iii) Polyesters    
    (iv) Polydienes

    147 Views
    Answer

    Short Answer Type

    Write the equations for the synthesis of:
    PVC, Also give one important use of it.

    172 Views
    Answer
    Advertisement
    <

    Long Answer Type

    Could a copolymer be formed in both addition and condensation polymerization or not? Explain with examples.

    207 Views
    Answer
    Advertisement