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

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

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Polymer Technology
Epoxy resins (i.e., epoxide polymers)

Use emulsion polymerisation methods
Are made by addition polymerisation reaction only
Are cross-linked polymers only
Contain an epoxy group ( ##### ) at the ends of the polymer

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