Polymer Technology The monomer of natural rubber is DMT Isoprene 2 methyl-1-propene Both B and C DMT Isoprene 2 methyl-1-propene Both B and C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Saturated polyester Either B or C Polyurathane Polystyrene Saturated polyester Either B or C Polyurathane Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Perspex Teflon Bakelite PVC Perspex Teflon Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For fibre making For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For fibre making For film forming materials ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces epoxy polymers Does not need any catalyst Does not produce linear polymers Produces only thermoplastic material Produces epoxy polymers Does not need any catalyst Does not produce linear polymers Produces only thermoplastic material 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 700°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C ANSWER DOWNLOAD EXAMIANS APP