Polymer Technology Styrene butadiene rubber is commercially manufactured by Bulk polymerisation Emulsion polymerisation Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation Solution polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Dacron Bakelite Celluloid Teflon Dacron Bakelite Celluloid Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism Molecular sizes Resistance to heat 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. Sulphuric acid Hydroflouric acid Organic peroxides None of these Sulphuric acid Hydroflouric acid Organic peroxides None of these 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 Teflon Polyester Bakelite Nylon-66 Teflon Polyester Bakelite Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
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