Anti-aging agent MBZ is mainly used for NR, CR, EPR, SBR, NBR, and its function is similar to MB, which has the effect of decomposing peroxides. Improved the effect of MB on the unstable latex and prolonged the action time. Used together with thiazole accelerators, it has the effect of preventing copper damage. This product is a good auxiliary heat sensitizer in latex, and also a good gelling agent; this product does not change color, and is often used in wires, cables, and transparent light-colored products.
The antioxidant MBZ is derived from MB as the main raw material. The earliest discovery of MB came from abroad. MB is a large number of documents published by the French Rubber Research Institute during the 1940s and 1950s. These documents pointed out: Antioxidant MB It is an effective metal deactivator. It does not protect the vulcanized rubber from chain scission during the aging process, but has a significant effect on the intermolecular bonding during the aging process.
The application of anti-aging agent MB in China is no stranger to everyone. It has been used in China's cable industry for more than 50 years. On the other hand, it has also been used more and more in some synthetic rubbers such as ethylene propylene rubber and chloroprene rubber. Most of the original domestic ethylene-propylene rubber insulation formulations use antioxidants MB, MBZ and RD, which have good effects.
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