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Chemical Engineering - Polymer Technology - Discussion

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Discussion :: Polymer Technology - Section 3 (Q.No.27)

27. 

In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of
[A]. cross linked polystyrene.
[B]. phenol formaldehyde resins.
[C]. polyesters.
[D]. polyamides.

Answer: Option A

Explanation:

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Kuldeep said: (Jan 24, 2019)  
Here, option B is also right because thermoset cannot be made by the step-growth polymer.

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