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Question
How is the following resin intermediate prepared and which polymer is formed by this monomer unit?
(Resin intermediate)
Solution
Melamine and formaldehyde polymer is formed by the condensation polymerisation of melamine and formaldehyde.
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RELATED QUESTIONS
Write the structures of monomers used the following polymers:
Glyptal
Which of the following polymers have vinylic monomer units?
(i) Acrilan
(ii) Polystyrene
(iii) Nylon
(iv) Teflon
Match the polymers given in Column I with their commercial names given in Column II.
| Column I | Column II |
| (i) Polyester of glycol and phthalic acid | (a) Novolac |
| (ii) Copolymer of 1, 3-butadiene and styrene | (b) Glyptal |
| (iii) Phenol and formaldehyde resin | (c) Buna-S |
| (iv) Polyester of glycol and terephthalic acid | (d) Buna-N |
| (v) Copolymer of 1, 3-butadiene and acrylonitrile | (e) Dacron |
Styrene at room temperature:-
Glyptal is a :-
Which of the following is not polyamide?
The commercial name of polymethyl (methacrylate) is ______.
Soft drinks and baby feeding bottles are generally made up of ______.
Identify X and Y in the following reaction:
Match List - I with List - II.
| List I (Polymer) |
List II (Used in) |
||
| (A) | Bakelite | (I) | Radio and television Cabinets |
| (B) | Glyptal | (II) | Electrical switches |
| (C) | PVC | (III) | Paints and Lacquers |
| (D) | Polystyrene | (IV) | Water Pipes |
Choose the correct answer from the options given below:
