Polymer Technology The starting material used for the manufacture of caprolactum is Cyclohexane Ethyl benzene Ethylene glycol DMT Cyclohexane Ethyl benzene Ethylene glycol DMT ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polystyrene Polyvinyl chloride-co-vinylacetate Polyvinyl acetate Polypropylene Polystyrene Polyvinyl chloride-co-vinylacetate Polyvinyl acetate Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the Intermolecular forces Chain length Branching & cross-linking All of these Intermolecular forces Chain length Branching & cross-linking All of these ANSWER DOWNLOAD EXAMIANS APP
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