Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 100 to 150 -20 to 25 250-280 50 to 75 100 to 150 -20 to 25 250-280 50 to 75 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
Polymer Technology The monomer for the production of neoprene rubber is Acetylene Chloroprene None of these Isoprene Acetylene Chloroprene None of these Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Carbon Thiokol Magnesium Alkylated diphenyl amine Carbon Thiokol Magnesium Alkylated diphenyl amine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The organic acid monomer in nylon 66 is Sebasic acid Terephthalic acid Adipic acid Benzoic acid Sebasic acid Terephthalic acid Adipic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? PTFE Bakelite PVC Epoxy resin PTFE Bakelite PVC Epoxy resin ANSWER DOWNLOAD EXAMIANS APP