Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polybutadiene Terylene PVC Polypropylene Polybutadiene Terylene PVC Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Bakelite Teflon Dacron Celluloid Bakelite Teflon Dacron Celluloid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Polyester Nylon 6:6 Acrylic Polypropylene Polyester Nylon 6:6 Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Polyester Polyamide Polyolefin Addition polymer Polyester Polyamide Polyolefin Addition polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polyisoprene Polystyrene Bakelite Nylon-66 Polyisoprene Polystyrene Bakelite Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
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