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 Terylene PVC Polybutadiene Polypropylene Terylene PVC Polybutadiene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. -20 to 25 100 to 150 50 to 75 250-280 -20 to 25 100 to 150 50 to 75 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10⁹-10¹¹ 10⁷-10⁹ 10 to 10³ 10²-10⁷ 10⁹-10¹¹ 10⁷-10⁹ 10 to 10³ 10²-10⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is V₂O₅ Fe Ni Aluminium triethyl combined with titanium tetrachloride V₂O₅ Fe Ni Aluminium triethyl combined with titanium tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of High density polythene Cellulose acetate Cellulose nitrate PVC High density polythene Cellulose acetate Cellulose nitrate PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Phenolic resin Epoxy resin Alkyd resin Polyamide Phenolic resin Epoxy resin Alkyd resin Polyamide ANSWER DOWNLOAD EXAMIANS APP