Polymer Technology In condensation polymerisation as compared to addition polymerisation No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds The monomers contain two functional groups No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds The monomers contain two functional groups ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Acrylic Nylon 6:6 Polyester Polypropylene Acrylic Nylon 6:6 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is Both B and C Isoprene 2 methyl-1-propene DMT Both B and C Isoprene 2 methyl-1-propene DMT ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Plasticity Strength Elasticity Weathering characteristics Plasticity Strength Elasticity Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polyvinyl chloride-co-vinylacetate Polystyrene Polyvinyl acetate Polypropylene Polyvinyl chloride-co-vinylacetate Polystyrene Polyvinyl acetate Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance Exemplified by protein derivatives Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance ANSWER DOWNLOAD EXAMIANS APP