Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation Improve its elasticity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is Dacron Nylon-6 Nylon-66 Rayon Dacron Nylon-6 Nylon-66 Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is Cyclohexane Ethylene glycol Ethyl benzene DMT Cyclohexane Ethylene glycol Ethyl benzene DMT ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Plasticity Elasticity Weathering characteristics Strength Plasticity Elasticity Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Less brittle than thermosetting resins Permanent setting resins Can not be reclaimed from waste Remain hard as long as they are hot Less brittle than thermosetting resins Permanent setting resins Can not be reclaimed from waste Remain hard as long as they are hot ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
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