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Sulfonamides--Rubber Accelerator CBS(CZ) Chemical Name: N-Cyclohexyl-2-benzothiazole sulfenamide structure: Molecular Formula: C 13 H 16 N 2 S 2 Molecular Weight: 264.4 CAS NO: 95-33-0 High Temperature Stable Insoluble Sulfur IS
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- What is rubber accelerator CBS?
- Rubber accelerator CBS (CAS No. 95-33-0) is a gray-white powder with a slight odor. It is an excellent accelerator for natural rubber, synthetic rubber, and latex. CBS accelerates the vulcanization process, which improves the mechanical properties, stability, and durability of rubber products.
- Why is CBS used in rubber compounding?
- CBS is known for its ability to improve the tensile strength, modulus, and elongation at break of rubber compounds. It also enhances the aging resistance and heat resistance of rubber products, making them more durable and long-lasting. CBS (N-cyclohexyl-2-benzothiazolesulfenamide) is a widely used accelerator in rubber compounding.
- How does CBS work in rubber vulcanization?
- CBS is a thiazole-based accelerator that promotes the formation of sulfur cross-links between rubber molecules during vulcanization. It works by reacting with the sulfur and forming a complex that facilitates the cross-linking process. This results in a more stable and durable rubber product.
- What is CBS used for?
- CBS is widely used in the production of tires, belts, hoses, and other rubber products due to its ability to improve the mechanical properties of rubber compounds.
- What are the benefits of a CBS accelerator for vulcanization?
- CBS is particularly effective in promoting the cross-linking of natural rubber and synthetic rubbers such as SBR, NBR, and EPDM. It is also compatible with other accelerators such as MBTS and TBBS, which can improve the efficiency of the vulcanization process.
- What is a CBS accelerator & how does it work?
- CBS also improves the aging resistance of the rubber, making it more durable over time. CBS is typically used in combination with other accelerators, such as MBTS (2-mercaptobenzothiazole disulfide) or TBBS (N-tert-butyl-2-benzothiazolesulfenamide), to achieve the desired cure rate and scorch safety.
