Write the structures of natural rubber and vulcanized rubber?
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Vulcanization of rubber is a process of improvement of the rubber elasticity and strength by heating it in the presence of sulfur, which results in three-dimensional cross-linking of the chain rubber molecules (polyisoprene) bonded to each other by sulfur atoms.
Natural rubber is produced from latex - milky emulsion drawn from the rubber tree (Hevea brasiliensis) or some other plants. When coagulated latex transforms into soft, plastic and sticky substance (crude rubber), which is then vulcanized (cured). Natural rubber is composed of polyisoprene molecules.
Natural rubber is produced from latex - milky emulsion drawn from the rubber tree (Hevea brasiliensis) or some other plants. When coagulated latex transforms into soft, plastic and sticky substance (crude rubber), which is then vulcanized (cured). Natural rubber is composed of polyisoprene molecules.
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The key difference between natural rubber and synthetic rubber is their origin. Both are polymers, but natural rubber is produced from the latex obtained from a tree, whereas synthetic rubber is an artificial polymer produced by using petroleum byproducts.
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