Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Molecular sizes Magnitude of intermolecular forces Resistance to heat Polymerisation mechanism Molecular sizes Magnitude of intermolecular forces Resistance to heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl chloride Propylene Vinyl acetate Styrene Vinyl chloride Propylene Vinyl acetate Styrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Phenolic resin Polyamide Epoxy resin Alkyd resin Phenolic resin Polyamide Epoxy resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a natural fibre. Cellulose None of these Dacron Nylon-6 Cellulose None of these Dacron Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? Bakelite PTFE Epoxy resin PVC Bakelite PTFE Epoxy resin PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polythene Nylon-6 Polyester Bakelite (phenol formaldehyde) Polythene Nylon-6 Polyester Bakelite (phenol formaldehyde) ANSWER DOWNLOAD EXAMIANS APP
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