The product named Factory Supply Pentaerythritol terakis(3-mercaptopropionate) has the CAS number 7575-23-7. It is offered at a low price, which makes it an attractive option for various industrial applications. The chemical formula of Pentaerythritol terakis(3-mercaptopropionate) is C17H32O8S4. It is a colorless to light - yellow liquid at room temperature. Its molecular weight is approximately 512.7 grams per mole. The boiling point and melting point are important physical parameters. However, specific values may vary depending on the purity and other factors. Generally, it has a relatively high boiling point due to its complex molecular structure.
Pentaerythritol terakis(3-mercaptopropionate) has a wide range of uses in different industries. In the polymer industry, it is commonly used as a chain - transfer agent. It can effectively control the molecular weight and structure of polymers during the polymerization process, which helps to improve the mechanical properties, such as toughness and flexibility, of the final polymer products. For example, in the production of rubber, it can enhance the processing performance and the quality of the rubber products. In the field of adhesives and sealants, this product can be used to improve the adhesion strength and durability. It can react with other components in the adhesive formulation to form strong chemical bonds, making the adhesive more reliable in various environments. In the coatings industry, it can act as a cross - linking agent. By promoting cross - linking reactions, it can improve the hardness, scratch resistance, and chemical resistance of the coatings.
When using Pentaerythritol terakis(3-mercaptopropionate), it is crucial to follow proper procedures. First, ensure that the working environment is well - ventilated to avoid the accumulation of vapors. Wear appropriate personal protective equipment, such as gloves, goggles, and a lab coat, to prevent direct contact with the product. In the polymer synthesis process, add the product at the appropriate stage of the reaction. Usually, it is added gradually under controlled temperature and stirring conditions. The dosage should be determined according to the specific requirements of the polymerization reaction, such as the desired molecular weight of the polymer. In the adhesive and coating formulations, mix it thoroughly with other components using a suitable mixer. Make sure that the mixing is homogeneous to ensure the uniform performance of the final product. After use, store the product in a cool, dry place away from direct sunlight and heat sources.
Case 1: A rubber manufacturing company used Pentaerythritol terakis(3-mercaptopropionate) as a chain - transfer agent in the production of automotive rubber seals. By adding an appropriate amount of this product during the rubber compounding process, they were able to control the molecular weight of the rubber more precisely. As a result, the rubber seals had better flexibility and improved resistance to aging and deformation. This led to a significant reduction in the number of defective products and an increase in the overall quality of the automotive rubber seals, which were well - received in the market.
Case 2: A coatings manufacturer incorporated Pentaerythritol terakis(3-mercaptopropionate) into their exterior wall coatings formula. The product acted as a cross - linking agent, enhancing the cross - linking density of the coatings. The resulting coatings had excellent hardness and water resistance. After several months of exposure to the outdoor environment, the coatings showed minimal signs of cracking, peeling, or discoloration, which greatly improved the durability and aesthetic appearance of the exterior walls.
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