How exactly does hydroxyl vinyl silicone oil improve the performance in the rubber industry?
In the rubber industry, hydroxyl-terminated methyl vinyl silicone oil significantly improves the properties of silicone rubber through its unique molecular structure and chemical characteristics, mainly in the following aspects:

1. Structural Control and Enhancement of Processing Performance
   The hydroxyl groups of hydroxyl-terminated methyl vinyl silicone oil can react with the active groups of fumed silica, serving as a structural control agent. This reaction can effectively control the structuring effect between the mixed rubber and fumed silica, thereby improving the processing performance of the silicone rubber. It reduces the viscosity of the rubber compound during the processing process and extends the storage period of the rubber compound.
2. Cross-linking Reaction and Enhancement of Mechanical Properties
   The vinyl groups in the molecules of this silicone oil can undergo a cross-linking reaction with the vinyl groups in the raw rubber. This cross-linking not only enhances the mechanical properties of the silicone rubber, such as tensile strength and tear strength, but also significantly improves its heat resistance and aging resistance.

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