Which one of the following is an example of a thermosetting
polymer? [2014]
(a) (- CH₂ - C = CH - CH₂ - )ₙ
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Cl
(b) (-CH₂ - CH-)ₙ
|
Cl
H H O O
| | || ||
(c) ( - N - (CH₂ )₆ - N- C - (CH₂ )₄ - C - )ₙ
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Thermosetting polymers are those polymers which set hard upon formation and are very hard and durable.
They do not break easily due to their long chain structure. They have a definite number of long and strong bonds joined together.
The correct option will be option c as it is consisting of many long and continued bonds.
The strength of the structure will be very high.
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