The product under discussion is benzyl butyl phthalate with the CAS number 85 - 68 - 7. It is factory - supplied at a low price, which makes it an attractive option for various industries. Benzyl butyl phthalate is a phthalate ester. Physically, it is a colorless to slightly yellowish, oily liquid. It has a molecular formula of C19H20O4 and a molecular weight of approximately 312.36 g/mol. It has a boiling point of around 370°C and a melting point of -35°C. The density of benzyl butyl phthalate is about 1.116 g/mL at 25°C. It is insoluble in water but soluble in most organic solvents such as ethanol, ether, and benzene.
Benzyl butyl phthalate has a wide range of applications. In the plastics industry, it is commonly used as a plasticizer. It can improve the flexibility, durability, and workability of plastics. For example, in the production of polyvinyl chloride (PVC) products, adding benzyl butyl phthalate can make PVC more pliable, allowing it to be used in the manufacturing of products like cables, flooring, and artificial leather.
In the rubber industry, it can also act as a softening agent. It helps to reduce the hardness of rubber compounds, making them easier to process and improving their low - temperature performance. In addition, it is used in the paint and coating industry. It can enhance the adhesion and gloss of paints and coatings, and improve their resistance to abrasion and chemicals.
When using benzyl butyl phthalate in the plastics industry, the first step is to determine the appropriate dosage according to the specific requirements of the plastic product. Usually, it is added during the plastic compounding process. The plastic resin and benzyl butyl phthalate are mixed thoroughly in a mixer at a suitable temperature. The mixing time and temperature should be carefully controlled to ensure uniform dispersion of the plasticizer in the resin.
In the rubber industry, it is added to the rubber compound during the mixing stage on a two - roll mill or an internal mixer. Similar to the plastics process, proper mixing is crucial to achieve the desired properties of the rubber. In the paint and coating industry, it is added to the paint formulation at an appropriate stage of production. It needs to be well - dispersed in the paint system to fully发挥 its functions.
Case 1: A plastic cable manufacturer was facing issues with the stiffness of their PVC cables. After incorporating benzyl butyl phthalate into their PVC compound at a ratio of 10% by weight, they noticed a significant improvement in the flexibility of the cables. The cables were easier to bend and install, and their resistance to cracking under stress also increased. This led to a higher customer satisfaction rate and an expansion of their market share.
Case 2: A rubber tire company was struggling with the high - hardness problem of their tires, which affected the traction and comfort. By adding benzyl butyl phthalate as a softening agent, they were able to reduce the hardness of the tire rubber. The resulting tires had better grip on the road and provided a smoother ride for the users. This improvement also helped the company to gain a competitive edge in the market.
Case 3: A paint manufacturer was looking to improve the quality of their architectural paints. After adding benzyl butyl phthalate to their paint formulation, the paints showed better adhesion to various surfaces, higher gloss, and improved resistance to dirt and stains. This made their paints more popular among contractors and homeowners, leading to increased sales.
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