A) Solid polymer of nylon 66
B) Liquid polymer of nylon 66
C) Gaseous polymer of nylon 66
D) Liquid polymer of nylon 6
Correct Answer: B
Solution :
The condensation polymerisation of hexamethylene diamine and adipic acid is done in solution form by interface technique. In this liquid nylon polymer is obtained. \[n\,.\,{{H}_{2}}N-{{(C{{H}_{2}})}_{6}}-N{{H}_{2}}\] \[nHOOC-{{(C{{H}_{2}})}_{4}}-COOH\,\underset{-n{{H}_{2}}O}{\mathop{\xrightarrow{\text{Polymerisation}}}}\,\]\[{{[-HN-{{(C{{H}_{2}})}_{6}}-\underset{\text{Nylon}}{\mathop{NHCO}}\,-{{(C{{H}_{2}})}_{4}}-CO-]}_{n}}\]
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