Transcription of Vulcanization & Accelerators - Nocil
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Vulcanization & Accelerators - Nocil
1 Vulcanization & Accelerators Vulcanization is a cross linking process in which individual molecules of rubber (polymer) are converted into a three dimensional network of interconnected (polymer) chains through chemical cross links(of sulfur). The Vulcanization process was discovered in 1839 and the individuals responsible for this discovery were Charles Goodyear in USA and Thomas Hancock in England. Both discovered the use of Sulfur and White Lead as a Vulcanization system for Natural Rubber. This discovery was a major technological breakthrough for the advancement of the world economy.
extremely prone to oxidative degradation and do not possess adequate mechanical properties for practical rubber applications. Theselimitations were overcome through inventions of accelerators which subsequently became a part of rubber compounding formulations as well as subjects of further R&D.
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