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Discuss the main purpose of vulcanisation of rubber.

15.15  Discuss the main purpose of vulcanisation of rubber.

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M manish

The natural rubber has many flaws in following ways like-

  • it becomes soft at high temperature and brittle at low temperature (<283K). And
  • show very high water absorption capacity
  • soluble in a non-polar solvent and
  • poor resistant to the attack of oxidising agents.

To improve all these physical properties we do vulcanisation of rubber. During this process, sulphur cross-links are formed, which makes it hard, tough with high tensile strength.

 

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