A. Nitrile
B. Silicone
C. Neoprene
D. Butyl
Polymer Technology
Polymer Technology
A. Filaments
B. Pipes
C. Buckets
D. Tubings
A. Impart flexibility
B. Improve workability during fabrication
C. Develop new improved properties not present in the original resin
D. All A., B. and C.
A. Blow moulding
B. Vacuum thermo forming
C. Injection moulding
D. None of these
A. Protect rubber goods from attack by oxygen & ozone present in the atmosphere
B. Reduce its viscosity to permit easier processing
C. Reduce the time of vulcanisation and quantity of vulcanising agent
D. Increase its viscosity
A. Polystyrene
B. Polyisoprene
C. Polybutadiene
D. Poly chloroprene
A. Polypropylene
B. PVC
C. Polythene
D. Polyvinyl acetate
A. PMMA
B. Polyacrylonitrile
C. Poly Ethyl acrylate
D. None of these
A. Plastics are good conductors of heat and electricity
B. All the polymers are highly crystalline in nature
C. Polymers can be vaporised by heating to a very high temperature
D. The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of
polymerisation
A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Regenerated cellulose acetate
D. None of these