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Described method of vulcanisation of Rubber …

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Described method of vulcanisation of Rubber ..?

Posted by Nauman Akhtar 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sunaina Gupta 8 years ago

Properties of rubber are improved by compounding it with some chemicals like sulphur, hydrogen sulphide, etc. Vulcanization is a chemical process for converting natural rubber or related polymers into more durable materials via the addition of sulphur or other equivalent curatives or accelerators. These additives modify the polymer by forming cross-links (bridges) between individual polymer chains. Extent of stiffness of vulcanized rubber depends on the amount of sulphur added. E.g. Tyre rubber has 3 to 5% sulphur.

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