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Polymer Technology

Polymer Technology
Transistor parts and refrigerator components are normally made of

Polystyrene
Polyurathane
Polyester
High density polythene

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Polymer Technology
Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

V₂O₅
Fe
Aluminium triethyl combined with titanium tetrachloride
Ni

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Polymer Technology
Polyvinyl alcohol is used as a

Textile fibre
Water soluble adhesive
Non-sticky coating on frying pans
Cation/anion exchanger

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Polymer Technology
__________ is a homopolymer.

Terylene
Nylon-66
Bakelite
Neoprene

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Polymer Technology
The starting material used for the manufacture of caprolactum is

Ethyl benzene
Ethylene glycol
Cyclohexane
DMT

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Polymer Technology
Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their

Resistance to heat
Polymerisation mechanism
Magnitude of intermolecular forces
Molecular sizes

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