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Polymer Technology

Polymer Technology
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

Phenolic resin
Polyamide
Alkyd resin
Epoxy resin

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Polymer Technology
Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is

7 kgf/cm² and 70 °C
7 kgf/cm² and 700°C
1000 kgf/cm² and 100°C
1 kgf/cm² (gage) and 70°C

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Polymer Technology
Vulcanisation of rubber does not increase its

Elasticity & water solubility
Oxidation resistance
Softness
Weight & strength

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Polymer Technology
Main constituent of natural rubber is

Polyisoprene
Poly chloroprene
Polybutadiene
Polystyrene

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Polymer Technology
β - glucose is the monomer of

Protein
Cellulose
Starch
None of these

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Polymer Technology
Styrene butadiene rubber is commercially manufactured by

Bulk polymerisation
Solution polymerisation
Emulsion polymerisation
Suspension polymerisation

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