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Polymer Technology

Polymer Technology
Maximum consumption of polymers is in

Coating and films
Electrical insulation
Packaging
Toys making

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Polymer Technology
__________ practically possess no elasticity.

Epoxy resin
Polysulphide rubber
Spandex fibre
Vulcanite or ebonite

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Polymer Technology
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

PVC
Polyvinyl acetale
Polyvinyl butyral
Polyvinyl alcohol

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Polymer Technology
Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.

Phenol formaldehyde
Urea formaldehyde
Melamine formaldehyde
Epoxy

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Polymer Technology
In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is

PVC
Polypropylene
Terylene
Polybutadiene

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Polymer Technology
Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of

Propylene
Vinyl acetate
Styrene
Vinyl chloride

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