Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Phenolic resin Melamine formaldehyde resin Alkyd resin Epoxy resin Phenolic resin Melamine formaldehyde resin Alkyd resin Epoxy resin 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 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 Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Molybdenum Platinum Nickel Aluminium triethyl activated with TiCl₄ Molybdenum Platinum Nickel Aluminium triethyl activated with TiCl₄ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyamide Polyurathane Polyolefins Polyacrylate Polyamide Polyurathane Polyolefins Polyacrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of PVC Polyurethanes Silicone rubber Polyamides PVC Polyurethanes Silicone rubber Polyamides ANSWER DOWNLOAD EXAMIANS APP