The polymer X–consists of linear molecules and is closely packed. It is prepared in the presence of triethylaluminium and titanium tetrachloride under low pressure. The polymer X is-
Select the correct option:
A
Polyacrylonitrile
B
Low density polythene
C
Polytetrafluoroethane
D
High density polythene
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Solution
Ethene undergoes addition polymerisation to high density polythene in the presence of catalyst such as AlEt3 and $\mathrm{TiCl}_4$ (Ziegler - Natta catalyst) at a temperature of 333 K to 343 K and under a pressure of 6-7 atmosphere.
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