Identify the catalyst used in the manufacture of high density polythene.

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

Identify the monomers used in the preparation of Nylon $2-$ nylon $6$.

Which monomers are used in the preparation of Novolac,a polymer used in paints?

In the manufacture of polythene by the Ziegler process using ethylene,the temperature for proper polymerisation required is

The monomers used in the production of $Nylon-66$ are ........