Polymer Technology
Nylon-66 is manufactured from

Maleic anhydride and hexamethylene diamine
Caprolactum
Adipic acid and hexamenthylene diamine
Dimethyl terephthalate (DMT) and ethylene glycol

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Polymer Technology
Identify the group in which all the polymers mentioned can be used to make fibres.

Butadiene copolymers, Polyamides, Urea aldehyde
Cellulose derivatives, Polyamides, Polyurathane
Cellulose derivatives, Polyisoprene, Polyethylene
Polypropylene, Poly vinyl chloride, Silicon

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Polymer Technology
Synthetic rubber

Deforms, if stretched to double of its original dimension
Is softer at higher temperature
Is brittle at low temperature
Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases

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