Diisononyl phthalate, with the CAS number 68515 - 48 - 0, is a commonly used plasticizer in the industry. Our product is factory - supplied, offering the best price in the market. Chemically, it is an ester of phthalic acid and isononyl alcohol. It has a molecular formula that varies depending on the isomer composition, but generally it has a complex structure that contributes to its plasticizing properties.
The physical properties of diisononyl phthalate include a relatively high boiling point, which makes it suitable for applications where heat resistance is required. It is a clear, colorless to pale - yellow liquid with a characteristic odor. The density and viscosity of our product are within the standard range for high - quality diisononyl phthalate, ensuring its compatibility with a wide range of polymers.
Diisononyl phthalate is widely used as a plasticizer in the production of various plastic products. In the PVC (polyvinyl chloride) industry, it is added to PVC resins to enhance their flexibility, durability, and workability. This makes PVC products such as cables, pipes, and flooring more resistant to cracking and deformation. It can also improve the low - temperature performance of PVC products, allowing them to maintain their flexibility in cold environments.
In the rubber industry, diisononyl phthalate can be used as a softener and processing aid. It helps to reduce the viscosity of rubber compounds during the mixing process, making it easier to mold the rubber into different shapes. Additionally, it can improve the elasticity and resilience of rubber products, enhancing their overall performance.
It is also used in the production of adhesives and sealants. By adding diisononyl phthalate, the adhesives can achieve better adhesion and flexibility, while the sealants can provide better sealing performance and resistance to aging.
When using diisononyl phthalate, it should be added to the polymer matrix during the manufacturing process. The appropriate dosage depends on the specific application and the desired properties of the final product. Generally, a small amount of diisononyl phthalate can significantly improve the flexibility of the polymer, but excessive use may lead to problems such as reduced mechanical strength or increased migration of the plasticizer.
During the mixing process, it is important to ensure thorough dispersion of diisononyl phthalate in the polymer. This can be achieved by using appropriate mixing equipment and following the recommended mixing parameters, such as temperature and speed.
It is also necessary to pay attention to safety during the handling and use of diisononyl phthalate. Wear appropriate protective equipment, such as gloves and goggles, to avoid direct contact with the skin and eyes. In case of accidental contact, rinse immediately with plenty of water and seek medical advice if necessary.
Case 1: PVC Cable Production
A cable manufacturing company was facing problems with the flexibility and heat resistance of their PVC cables. After adding our diisononyl phthalate to the PVC resin during the production process, the cables showed a significant improvement in flexibility. They were able to bend easily without cracking, which was crucial for their installation in complex environments. Moreover, the heat resistance of the cables was enhanced, allowing them to operate safely at higher temperatures without significant degradation of performance.
Case 2: Rubber Hose Manufacturing
A rubber hose manufacturer was struggling with the processing of their rubber compounds. The compounds were too viscous, making it difficult to extrude the hoses with the desired shape and quality. By incorporating our diisononyl phthalate as a softener, the viscosity of the rubber compounds was reduced. This enabled the manufacturer to produce hoses more efficiently, with improved surface finish and dimensional accuracy. The hoses also exhibited better elasticity and resistance to abrasion, increasing their service life.
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