Rubber Vulcanization Accelerator Tbsi - Cas No: 3741-80-8 , White To Gray Powder With 87.5% Content And Melting Point Of 128°c

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Chemical name: N-tert Butyl-Double(2-Benzothiazole)Sulfenamide
CAS:3741-80-8
Molecular formula:C18H17N3S4
Molecular weight:403.61
Appearance:White to gray powder
Content:87.5%
Melting point:128
Advantage:TBSI is the methylamine accelerate agent, it can not produce he carcinogenic material as NS.Comparing with secondary amine, sulfonamide and NS, it has the coking security, slower vulcanizing speed, higher tensile modulus, smooth vulcanization, Better dynamic property and lower heat for the vulcanized rubber, TBSI is an excellent accelerate agent. it is dosage is similar to the other sulfonamides;
Application:The vulcanizing property, storage stability and physical-mechanical property in SBR, the results show that its vulcanizing speed is similar to TBBS, coking ability is better than TBBS, CZ and TMTD.Being vulcanized for 4hrs later and in 150a , the retention of 300%elongation of the vulcanized rubber with TBSI is higher than 70%i But TBBS's is less than 60%.In 4hrs and the heat air with 100a , the coking time is 21 mins, but TBSS's &CZ's is 11 mins and 8mins; TBSI is a mon pollution accelerate agent can speed up the vulcanization, no color-changing no blooming, it will have a better performance in the light colored rubber, for example, rubber sile of the transparent natural rubber.