Polymers

Short Answer Type

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Why does styrene undergo anionic polymerization easily?

Anionic polymerization takes place with monomers possessing electron-withdrawing groups such as nitrile, carboxyl, phenyl, and vinyl. In styrene, an electron withdrawing phenyl group is attached to the doubly bonded carbon atom (CH2 = CH–C6H5), hence it is able to stabilise the anionic propagating species.
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    Name the monomers for preparing Buna- S

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    Write the monomers used for the preparation of decron.
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    Why neoprene is non-inflammable?
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    Why are neoprene belts used in coal mines?

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    What are the monomer units of baketlite?

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    Give three examples of synthetic rubber.

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    Why is cationic polymerization preferred in case of vinylic monomers containing electron donating groups?
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    Name two biopolymers ?

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    What is the difference between the two notations: nylon-6 and nylon-6, 6?

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