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प्रश्न
How are the following polymers prepared?
Orlon
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उत्तर
Preparation of orlon:
It is prepared by the addition polymerization of acrylonitrile. A peroxide catalyst is used during the process
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संबंधित प्रश्न
Which of the following is a fibre? Nylon, neoprene, PVC
Write the names of monomers of the following polymers.
Write a note on aldol condensation.
What are thermoplastic polymers?
Name the monomers and the type of polymerization in each of the following polymers:
Bakelite
What is the significance of number of 6,6 in the polymer nylon-6,6?
Write the name of the monomer of the following polymer:
Bakelite
Write the name of the monomer of the following polymer:
Nylon – 2 – Nylon – 6
Write the structures of monomers used the following polymers:
Nylon - 6, 6
Which factor imparts crystalline nature to a polymer like nylon?
Match the polymers given in Column I with their main applications given in Column II.
| Column I | Column II |
| (i) Bakelite | (a) Unbreakable crockery |
| (ii) Low-density polythene | (b) Non-stick cookwares |
| (iii) Melamine-formaldehyderesin | (c) Packaging material for shock absorbance |
| (iv) Nylon 6 | (d) Electrical switches |
| (v) Polytetrafluoroethane | (e) Squeeze bottles |
| (vi) Polystyrene | (f) Tyre, cords |
Assertion: Polyamides are best used as fibres because of high tensile strength.
Reason: Strong intermolecular forces (like hydrogen bonding within polyamides) lead to close packing of chains and increase the crystalline character, hence, provide high tensile strength to polymers
Acetic acid is added in the preparation of nylon-6 to
Perion is
Nylon is a
Melamine is
Celanese silk is:-
Nylon – 6 is made from
Which is used for the formation of nylon – 6?
The polymer formed on heating Novolac with formaldehyde is ______.
The polymer containing strong intermolecular forces, e.g., hydrogen bonding, is ______.
