Question

Give the characteristics properties and important uses of the following , polythene, polystyrene, Teflon, Bakelite

Answer 1

@hey!!

1. Polythene:-

• This polymer is an addition polymer and is obtained by free radical or high temperature polymerization of ethylene.

USES---

• In the manufacture of pipes, toys,bags,wire insulators, squeeze bottles, etc.

2. Polystyrene:-

• It is manufactured by polymerization of styrene in the presence of benzoyl peroxide.

• Polystyrene is a good transparent polymer.

USES---

• In the manufacture of combs, toys, radio, and television cabinets, packaging material for shock absorbance.

3. Teflon:-

• It is manufactured by heating tetrafluroethylene under pressure in the presence of ammonium peroxydisulphate.

• It is chemically inert, stable upto 598K and a heat resistant polymer. it is very though.

USES---

• In the manufacture of insulators, gaskets,non-stick cookwares,etc.

4. Bakelite:-

• It is manufactured by reaction between (poly-functional) monomers.

USES---

• In the manufacture of electrical goods, phonograph records, fountain pen barrels, combs,etc.

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Answer 2

Answer:

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Explanation:

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