Raw rubber (such as natural rubber and styrene-butadiene rubber) is a linear polymer material in itself, lacking elasticity, strength and wear resistance. It must be "vulcanized" to have practical value, and sodium dimethyldithiocarbamate plays an important role in this process.
The key for sodium dimethyldithiocarbamate to enhance the efficiency and performance of rubber vulcanization lies in its rapid release of active sulfur and regulation of crosslinking reactions, which can effectively achieve the goal of "cost reduction and efficiency improvement".
Sodium dimethyldithiocarbamate not only optimizes the vulcanization process but also enhances the performance of rubber products in use. Specifically manifested as：
1.Enhance mechanical properties. After vulcanization, the tensile strength of rubber can be increased by 20% to 30%, the elongation at break can be raised by more than 15%, and the elastic recovery is better, which can maintain the sealing performance of the sealing parts after long-term compression.2.Enhance aging resistance and wear resistance. The cross-linking bonds formed by sodium formate are more stable, which can reduce the damage to rubber molecules caused by oxygen and ozone, and extend the aging resistance life of the products by 2 to 3 times. Meanwhile, the uniformity of the cross-linked structure is improved, enhancing the wear resistance of the rubber surface.
3.Improve processing adaptability. Sodium dimethyldithiocarbamate has good compatibility with rubber, and problems such as caking and sticking to equipment are less likely to occur during processing, reducing the generation of waste materials in production.
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