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प्रश्न
A natural linear polymer of 2-methyl-1, 3-butadiene becomes hard on treatment with sulphur between 373 to 415 K and – S – S – bonds are formed between chains. Write the structure of the product of this treatment?
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उत्तर
In the manufacture of tyre rubber, 5% of sulphur is used as a crosslinking agent. The probable structures of vulcanised rubber molecules are depicted below:
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संबंधित प्रश्न
Write the name of monomers used for getting the following polymers : Bakelite
Write the names of monomers used for getting the following polymer:
Teflon
Identify the monomer in the following polymeric structures.
Write the names and structures of the monomers of the following polymers:
(i) Terylene
(ii) Bakelite
(iii) Buna-S
Write a chemical reaction to show that the open structure of D-glucose contains the following :
Straight chain
Identify the type of polymer given in the following figure.
To have practical applications why are cross links required in rubber?
Why does cis-polyisoprene possess elastic property?
What is the structural difference between HDP and LDP? How does the structure account for different behaviour and nature, hence the use of a polymer?
Assertion: Network polymers are thermosetting.
Reason: Network polymers have high molecular mass.
Which of the following is a cross linked polymer?
Which of the following is a basic dye?
Linear chain polymers have ______.
