Question

Write the nonomer used for getting the polymer ,polypropene

Answer 1

Polyvinyl chloride (PVC) –the monomeric unit present is vinyl chloride (CH2 =CH –Cl) PVC is used in the manufacture of rain coats,curtain cloths, hand bags, toys, artificial flooring,gramophone records & as a good insulating material in wires & other electrical goods.

2) Teflon (PTFE)- The monomeric unit present is tetrafluoroethene (n F2C = CF2). Teflon is used as a material resistant to heat & chemical attack.It is also used for making gaskets, pump packings, valves, oil seals,non lubricated bearings.

3) Bakelite- the monomeric unit present is formaldehyde (HCHO) & phenol (C6H5OH).Bakelite is used for making glue for binding laminated wooden planks & in varnishes,combs, fountain pens, electrical switches.