The product is Factory Supply trimethylolpropane tris(3-mercaptopropionate) with the CAS number 33007 - 83 - 9. It is offered at a low price, making it an attractive option for various industrial and research applications.
Chemical Formula: C₁₅H₂₆O₆S₃
Molecular Weight: Approximately 414.56 g/mol
Aspecto: Suele ser un líquido entre transparente y ligeramente amarillento
Purity: High - grade purity is available, typically above 95% depending on the specific production batch.
Trimethylolpropane tris(3 - mercaptopropionate) has a wide range of applications in different industries:
1. Polymer Industry: It is used as a chain transfer agent in the polymerization process. This helps to control the molecular weight of polymers and improve their physical properties such as flexibility, toughness, and adhesion. For example, in the production of polyurethanes, it can enhance the cross - linking density and thus improve the performance of the final product.
2. Adhesive and Sealant Industry: The product can be used as a key component in adhesives and sealants. Its mercapto groups can react with other functional groups, providing strong bonding properties. It can be used in both structural and non - structural adhesives, and in sealants for various applications such as automotive, construction, and electronics.
3. Coating Industry: It can be incorporated into coatings to improve their chemical resistance, abrasion resistance, and adhesion to substrates. It can be used in both solvent - based and water - based coatings, and is suitable for applications in automotive coatings, industrial coatings, and wood coatings.
1. Handling Precautions: When handling this product, it is recommended to wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and a lab coat. Avoid inhalation of vapors or mists, and prevent contact with skin and eyes. In case of contact, immediately rinse with plenty of water and seek medical attention if necessary.
2. Storage Conditions: Store the product in a cool, dry, and well - ventilated area. Keep it away from sources of heat, sparks, and open flames. The container should be tightly sealed to prevent moisture and air from entering.
3. Dosage and Mixing: The dosage of trimethylolpropane tris(3 - mercaptopropionate) depends on the specific application. In most cases, it is added during the formulation process. It can be mixed with other components using appropriate mixing equipment to ensure uniform distribution.
Case 1: Polymer Production
In a polyurethane production plant, trimethylolpropane tris(3 - mercaptopropionate) is used as a chain transfer agent. The production process starts with the preparation of a pre - polymer by reacting polyols with diisocyanates. Then, a certain amount of trimethylolpropane tris(3 - mercaptopropionate) is added to the reaction mixture. The addition of this product helps to control the molecular weight of the polyurethane, resulting in a product with better mechanical properties. The polyurethane produced is used for manufacturing automotive seats, which requires high flexibility and durability.
Case 2: Adhesive Formulation
A company is formulating an adhesive for bonding metal parts in the electronics industry. Trimethylolpropane tris(3 - mercaptopropionate) is added to the adhesive formulation. The mercapto groups in the product react with the surface of the metal, providing strong adhesion. The adhesive is applied to the metal parts, and after curing, it shows excellent bonding strength and resistance to environmental factors such as humidity and temperature changes.
Case 3: Coating Application
In a wood coating factory, trimethylolpropane tris(3 - mercaptopropionate) is incorporated into a water - based coating formulation. The coating is applied to wooden furniture using a spray gun. After drying, the coating provides a smooth, hard, and scratch - resistant surface. The addition of this product also
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