Identify the correct statement from the following with respect to high density polythene
Identify the correct statement from the following with respect to high density polythene
$\mathrm{TiCl}_4$ and $\mathrm{Et}_3 \mathrm{Al}$ used as catalyst for preparation
Obtained by the polymerization of ethene at $350-570 \mathrm{~K}$
Has highly branched structure
Chemically active
Solution
Ziegler-Natta catalyst $\left(\mathrm{TiCl}_4+\mathrm{Et}_3 \mathrm{Al}\right)$ is used for the preparation of high-density polythene.
Branching reduces the density so high-density polythene has low degree of branching.
HDPE is chemically inert and is prepared in the temperature range of $333 \mathrm{~K}$ to $343 \mathrm{~K}$.