Polymer Technology - Study Mode
[#1] Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are
Correct Answer
(A) 50°C and 3 - 4 kg/cm 2
[#2] Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces
Correct Answer
(B) Dacron
[#3] Polystyrene is a __________ plastic at room temperature.
Correct Answer
(B) Brittle
[#4] __________ is a thermosetting plastic.
Correct Answer
(C) Bakelite
[#5] Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.
Correct Answer
(D) 250-280