Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 250-280 500-600 -5 10-30 250-280 500-600 -5 10-30 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Malleable Brittle Ductile None of these Malleable Brittle Ductile None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means A treatment to retard its deterioration due to oxidation Its softening Improving its curing rate Depression of its freezing point A treatment to retard its deterioration due to oxidation Its softening Improving its curing rate Depression of its freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Saturated polyester Unsaturated polyester Amino resins Alkyd resins Saturated polyester Unsaturated polyester Amino resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is Rayon Dacron Nylon-66 Nylon-6 Rayon Dacron Nylon-66 Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
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