Polystyrene

 Polystyrene

It is an addition of polymer of styrene monomer. It is manufactured by the addition polymerization of styrene in the presence of benzoyl peroxide as the free radical initiator.


Chemical rxn:


n C6H5-CH=CH2 ------------>-(-CH2-CH(C6H5)-)n 

( Styrene)                                   ( Polystyrene) 


It is resistant to halogen acids and alkalies . It is used for making toys, brass handles,combs, television, cabinets, cups, refrigerator lining, rigid foams, for insulation and false roofing.

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