Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 50 90 75 99 50 90 75 99 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Cellulose acetate Thiokol PVC Polyvinyl acetate Cellulose acetate Thiokol PVC Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Amino resins Unsaturated polyester Saturated polyester Alkyd resins Amino resins Unsaturated polyester Saturated polyester Alkyd resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻¹ to 10⁻² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polyvinyl acetate Polyvinyl chloride-co-vinylacetate Polypropylene Polystyrene Polyvinyl acetate Polyvinyl chloride-co-vinylacetate Polypropylene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS