Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Phenolic resin Epoxy resin Melamine formaldehyde resin Alkyd resin Phenolic resin Epoxy resin Melamine formaldehyde resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Isoprene Chloroethane Chlorophrene None of these Isoprene Chloroethane Chlorophrene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Properties of a polymer is affected by the All of these Intermolecular forces Branching & cross-linking Chain length All of these Intermolecular forces Branching & cross-linking Chain length ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Stronger Harder Lighter All of these Stronger Harder Lighter All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Plasticisers Anti-shrinkage agents Transparency improver Hardeners Plasticisers Anti-shrinkage agents Transparency improver Hardeners ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Hydroflouric acid Organic peroxides Sulphuric acid None of these Hydroflouric acid Organic peroxides Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP
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