The polymer used for making contact lenses for eyes is
Solution
Also known as PMMA. It is a transparent, excellent light transmitter and its optical clarity is better than glass so it is used in the preparation of lenses for eyes.
Glyptals are chiefly employed in
Solution
Glyptal is an alkyd resin obtained from polyhydric alcohols and poly basic organic acids or their anhydrides. They are used for surface coatings.
The monomer(s) used in the preparation of Orlon, a substitute for wool is/are
Solution
Acrylonitrile is the monomer used in the preparation of orlon.
Polymer used in bullet proof glass is
Solution
PMMA and polycarbonate is used in bulletproof glass.
Low density polythene is prepared by
Solution
Ethene on free radical polymerisation gives low density polythene.
The polymer used in the manufacture of lacquers is
Solution
Glyptal is used in preparation of lacquers.
Select the correct statement.
Number average molecular mass, \(\bar{M}_{n}\) and weight average molecular mass (\(\bar{M}_{w}\)) of synthetic polymers are related as
