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Polymer Technology

Polymer Technology
Polypropylene compared to polythene is

All of these
Lighter
Stronger
Harder

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Polymer Technology
All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic

Buckets
Tubings
Pipes
Filaments

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Polymer Technology
The main use of butadiene is

In the manufacture of synthetic rubber
None of these
As an anti-skimming agent in paint
As a plasticiser for unsaturated polyester

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Polymer Technology
Poly tetra flouro ethylene (PTFE) is known as

Celluloid
Bakelite
Teflon
Dacron

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Polymer Technology
Orlan fibre which is used as a wool sub stitute is

Polyacrylonitrile
An amorphous polymer
A natural polymeric fibre
Polymethylmethacrylate (PMMA)

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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
Teflon
Bakelite

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