Polymer Technology
Styrene which is a monomer for the production of polystyrene, is commercially produced by the

Reacting ethylene oxide with acetal-dehyde
Fermentation of starch
Catalytic dehydrogenation of ethyl benzene
Dehydration of ethyl alcohol followed by hydrogenation

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Polymer Technology
Elastomers are

Having high flexural strength
Having very high tensile strength and heat resistance
Thermosetting material
Exemplified by protein derivatives

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Polymer Technology
Synthetic rubber

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

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