Dibutyl adipate, with the CAS number 105 - 99 - 7, is a widely used organic compound. Its chemical formula is C14H26O4, and its molecular weight is approximately 258.35 g/mol. It is a colorless to slightly yellow, clear, oily liquid with a mild, characteristic odor. The boiling point of dibutyl adipate is around 305 - 306 °C, and its melting point is - 37.5 °C. It is insoluble in water but soluble in common organic solvents such as ethanol, ether, and benzene. This product is often supplied by factories at a good price, which makes it an attractive option for various industries.
Dibutyl adipate has a wide range of applications. In the plastics industry, it is commonly used as a plasticizer. It can improve the flexibility, durability, and processability of plastics, such as polyvinyl chloride (PVC). By adding dibutyl adipate, PVC products become more pliable and less brittle, which is beneficial for the production of items like plastic films, cables, and synthetic leather.
In the cosmetic and personal care industry, it serves as an emollient. It can soften and smooth the skin, making it a popular ingredient in lotions, creams, and makeup products. Dibutyl adipate can also enhance the spreadability of these products, providing a better user experience.
It is also used in the textile industry. As a lubricant and softening agent, it can improve the feel and appearance of fabrics. Additionally, it is used in the production of inks, adhesives, and coatings to improve their performance.
When using dibutyl adipate as a plasticizer in the plastics industry, it should be added during the plastic compounding process. The recommended dosage usually depends on the specific type of plastic and the desired properties. Generally, it can be added in a proportion of 5 - 20% by weight. Mix the dibutyl adipate thoroughly with the plastic resin to ensure uniform distribution.
In the cosmetic industry, it can be incorporated into formulations by adding it during the emulsification or mixing stage. The amount used may vary according to the product type, typically ranging from 1 - 10% of the total formulation. Care should be taken to maintain proper temperature and mixing conditions to ensure a stable and homogeneous product.
For textile applications, it can be applied by padding or spraying onto the fabric. The concentration of the solution and the application method should be adjusted based on the fabric type and the required effect.
Case 1: PVC Cable Production
A cable manufacturing company used dibutyl adipate as a plasticizer in their PVC cable production. They added 15% dibutyl adipate by weight to the PVC resin during the compounding process. After extrusion and processing, the resulting cables showed excellent flexibility and electrical insulation properties. The cables were able to withstand bending and twisting without cracking, which significantly improved their durability and performance. The use of dibutyl adipate also reduced the cost of production compared to some other high - end plasticizers.
Case 2: Skin Lotion Production
A cosmetic company incorporated 3% dibutyl adipate into their skin lotion formulation. During the production process, they added it at the emulsification stage while maintaining a temperature of around 70 °C. The resulting lotion had a smooth texture and was easy to spread on the skin. Consumers reported that the lotion left their skin feeling soft and moisturized without a greasy feeling. This led to an increase in customer satisfaction and product sales.
Case 3: Textile Softening
A textile mill used a solution containing 5% dibutyl adipate to treat cotton fabrics by padding. After the treatment, the fabrics became softer and more wrinkle - resistant. The hand feel of the fabrics improved significantly, making them more comfortable to wear. The treated fabrics were also more attractive in terms of appearance, which increased their market competitiveness.
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