Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 99 50 75 90 99 50 75 90 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Celluloid is Cellulose acetate butyrate Regenerated cellulose Cellulose acetate Cellulose nitrate Cellulose acetate butyrate Regenerated cellulose Cellulose acetate Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Neoprene Polyisoprene Nitrile-butadiene None of these Neoprene Polyisoprene Nitrile-butadiene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polypropylene Polybutadiene PVC Terylene Polypropylene Polybutadiene PVC Terylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these Polymer termination step Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these Polymer termination step ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Glycerol Nitro cellulose None of these Camphor Glycerol Nitro cellulose None of these Camphor ANSWER DOWNLOAD EXAMIANS APP