When the condensation product of hexamethylen | vedclass

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(B) The condensation polymerization of hexamethylenediamine and adipic acid at high temperatures $(553 \ K)$ in an inert nitrogen atmosphere results i

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Liquid polymer of nylon $66$

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(B) The condensation polymerization of hexamethylenediamine and adipic acid at high temperatures $(553 \ K)$ in an inert nitrogen atmosphere results in the formation of a molten (liquid) state of the polymer,which is then extruded to form fibers.$n \ H_2N-(CH_2)_6-NH_2 + n \ HOOC-(CH_2)_4-COOH$ $\xrightarrow{553 \ K, \ N_2} [-NH-(CH_2)_6-NH-CO-(CH_2)_4-CO-]_n + 2n \ H_2O$This process yields a liquid polymer of nylon $66$.

When the condensation product of hexamethylenediamine and adipic acid is heated to $553 \ K \ (280^\circ C)$ in an atmosphere of nitrogen for about $4-5$ hours,the product obtained is

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