Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Nickel Platinum Aluminium triethyl activated with TiCl₄ Molybdenum Nickel Platinum Aluminium triethyl activated with TiCl₄ Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Polymers made of only one monomer is called homopolymer Vulcanised rubber is more elastic than natural rubber Polymers made of more than one monomer is called copolymer or mixed polymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of only one monomer is called homopolymer Vulcanised rubber is more elastic than natural rubber Polymers made of more than one monomer is called copolymer or mixed polymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation 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 No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Nylon-66 Bakelite Polyester Teflon Nylon-66 Bakelite Polyester Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Epoxy resin Polyamide Alkyd resin Phenolic resin Epoxy resin Polyamide Alkyd resin Phenolic resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for High temperature thermal insulation in furnaces Low temperature thermal insulation as in refrigerator and air conditioners Accoustic control and ceiling for building Packing of delicate electronic gadgets High temperature thermal insulation in furnaces Low temperature thermal insulation as in refrigerator and air conditioners Accoustic control and ceiling for building Packing of delicate electronic gadgets ANSWER DOWNLOAD EXAMIANS APP