Match List I with List II :
List-I Polymer | List-II used for items | ||
---|---|---|---|
A | Nylon 6,6 | I | Buckets |
B | Low density polythene | II | Non-stick utensils |
C | High density polythene | III | Bristles of brushes |
D | Teflon | IV | Toys |
Process | Application | ||
---|---|---|---|
P | Extrusion | 1 | Producing complex parts with close tolerance |
Q | Injection molding | 2 | Producing thermosetting plastic components |
R | Blow molding | 3 | Producing long uniform sections |
S | Compression molding | 4 | Producing hollow shapes |
Neoprene is formed from chloroprene. It is prepared by free radical polymerisation. The monomer of neoprene is chloroprene. It is used for preparing gaskets, conveyor belts etc.