Hello everyone, I am the editor. Today I will introduce rubber products to you. The following content is compiled by the editor and the relevant content is for reference only.

Linear structure: the general structure of unvulcanized rubber. Due to the large molecular weight, it is in the form of a fine mass without external force. When external force acts and the external force is removed, the entanglement of the fine mass changes, the molecular chain rebounds, and a strong recovery tendency is generated, which is the origin of the high elasticity of rubber.

Branched chain structure: the aggregation of the branched chains of the rubber macromolecule chain forms a gel. Gel is not good for the performance and processing of rubber. When refining rubber, various compounding agents often improve the gel area, forming a local blank, unable to form reinforcement and cross-linking, and become the weak part of the product.

Cross-linked structure: Linear molecules are connected to each other by bridging some atoms or atomic groups to form a three-dimensional network structure. As the vulcanization process proceeds, this structure continues to strengthen. In this way, the free movement ability of the chain segment decreases, the plasticity and elongation decrease, the strength, elasticity and hardness increase, and the compression permanent deformation and swelling decrease.

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