Vulcanization
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The term "vulcanization" has its history. It was named after the original natural rubber products were cross-linked with sulfur as a cross-linking agent. With the development of the rubber industry, cross-linking with a variety of non-sulfur cross-linking agents can now . Therefore, the more scientific significance of vulcanization should be "cross-linking" or "bridge", that is, the process of the network polymer formed by the cross-linking of linear polymers. In terms of physical properties, it is the process of converting plastic rubber into elastic rubber or hard rubber. The meaning of "vulcanization" includes not only the process of actual cross-linking, but also the method of generating cross-linking.
