Which of the following polymer form net like structure ?
A
Butyl rubber
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B
Polythene
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C
Polystyrene
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D
Melamine
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Solution
The correct option is D Melamine Thermosetting polymers have a net-like structure because of the presence of cross-links between different polymeric chains. Among the given only melanin polymer is a thermosetting polymer, so it has a net-like structure.
Note: Butyl rubber is a Westerner whereas polythene and polystyrene we thermoplastics.