Polymer Technology __________ is produced by polymerisation of chloroprene. Neoprene Butyl rubber Thiokol (a polysulphide rubber) Polyurathane rubber Neoprene Butyl rubber Thiokol (a polysulphide rubber) Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step None of these Initial hydrolysis of silicone monomer Condensation of siloxane to silicone Polymer termination step None of these Initial hydrolysis of silicone monomer Condensation of siloxane to silicone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Thermosetting Brittleness Thermoplastic Elastometric Thermosetting Brittleness Thermoplastic Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers are Thermosetting Thermoplastic Fibres only Either A or B Thermosetting Thermoplastic Fibres only Either A or B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resin is Not used for surface coating A good abrasive An elastomer A polyester Not used for surface coating A good abrasive An elastomer A polyester 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 1:3 1:2 2:1 3:1 1:3 1:2 2:1 3:1 ANSWER DOWNLOAD EXAMIANS APP