Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 500-600 -5 250-280 10-30 500-600 -5 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Polyvinyl acetate Saturated polyester Viscose rayon Acrylic Polyvinyl acetate Saturated polyester Viscose rayon Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Phenolic Alkyd Epoxy Amino Phenolic Alkyd Epoxy Amino ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polystyrene Either B or C Polyurathane Saturated polyester Polystyrene Either B or C Polyurathane Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10⁷-10⁹ 10 to 10³ 10²-10⁷ 10⁹-10¹¹ 10⁷-10⁹ 10 to 10³ 10²-10⁷ 10⁹-10¹¹ ANSWER DOWNLOAD EXAMIANS APP