Mercaptobenzothiazole Wikipedia
Mercaptobenzothiazole. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). 2-Mercaptobenzothiazole is an organosulfur compound with the formula C6H4(NH)SC=S. It is used in the sulfur vulcanization of rubber.
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Three common classes of rubber accelerators, the mercaptobenzothiazol e (MBT), thiuram, and thiocarbamate type compounds can be detected and quantified by this
Vulcanization & Accelerators Nocil
An accelerator is defined as the chemical added into a rubber compound to increase the speed of vulcanization and to permit vulcanization to proceed at lower temperature and with greater efficiency. Accelerator also Decreases the Quantity of Sulphur necessary for vulcanizationand thus improving 'aged'
Vulcanization. Vulcanization is a chemical process in which the rubber is heated with sulphur, accelerator and activator at 140–160°C. The process involves the formation of cross-links between long rubber molecules so as to achieve improved elasticity, resilience, tensile strength, viscosity, hardness and weather resistance.
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Oct 02, 2010· As an example while the detection limit for MBT may be as low as 3ug/ml, in the case of methyl, ethyl, butyl and pentamethylene accelerator fragments this could be as high as 20 to 30 ug/ml. Likewise the choice of TLC or HPLC does have a bearing on residual accelerator analysis with each possibly favouring different types of accelerators.
Oct 02, 2010· As an example while the detection limit for MBT may be as low as 3ug/ml, in the case of methyl, ethyl, butyl and pentamethylene accelerator fragments this could be as high
