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Polymer Technology

Polymer Technology
Cross linked polymers are

Fibres only
Either A or B
Thermosetting
Thermoplastic

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Polymer Technology
Automobile steering wheels are normally made of

Cellulose acetate
High density polythene
PVC
Cellulose nitrate

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Polymer Technology
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is

Polyester
Nylon-66
Bakelite
Teflon

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Polymer Technology
__________ tubes are good substitude for human blood vessels onrheart by-pass operation.

PVC
Polythene
Polystyrene
Teflon/dacron

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Polymer Technology
Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber?

Thiokol
Carbon
Alkylated diphenyl amine
Magnesium

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Polymer Technology
Polyvinyl acetate is never used for making

Adhesives
All of these
Moulded articles
Fibres

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