Polymer Technology __________ is produced by polymerisation of chloroprene. Polyurathane rubber Thiokol (a polysulphide rubber) Neoprene Butyl rubber Polyurathane rubber Thiokol (a polysulphide rubber) Neoprene Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Suspension Solution Emulsion Bulk Suspension Solution Emulsion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:2 3:1 2:1 1:3 1:2 3:1 2:1 1:3 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. Acrylic Polyester Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Styrene Propylene Vinyl chloride Vinyl acetate Styrene Propylene Vinyl chloride Vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of High density polyethylene (HDPE) Polypropylene Unsaturated polyester Low density polyethylene (LDPE) High density polyethylene (HDPE) Polypropylene Unsaturated polyester Low density polyethylene (LDPE) ANSWER DOWNLOAD EXAMIANS APP