The product is High Quality tris(nonylphenyl) phosphite with the CAS number 26523 - 78 - 4. It is renowned for its high quality and comes with the best price in the market. Tris(nonylphenyl) phosphite is an organophosphorus compound. The chemical formula of tris(nonylphenyl) phosphite is C45H69O3P. It usually appears as a light - yellow to amber viscous liquid at room temperature. The density of this product is approximately in the range of 0.98 - 1.02 g/cm³. It has good solubility in common organic solvents such as toluene, xylene, and chloroform, but has limited solubility in water. The melting point of tris(nonylphenyl) phosphite is relatively low, which makes it suitable for various processing conditions.
Tris(nonylphenyl) phosphite is widely used in the polymer industry. Firstly, it serves as an excellent antioxidant in plastics and rubber. In plastics like polyethylene (PE) and polypropylene (PP), it can effectively prevent the oxidation of polymers during processing and long - term use. Oxidation can lead to the degradation of polymers, resulting in reduced mechanical properties such as tensile strength and impact resistance. By adding tris(nonylphenyl) phosphite, the service life of plastic products can be significantly extended. In the rubber industry, it can protect rubber from oxidation and ozone attack, maintaining the elasticity and flexibility of rubber products. Secondly, it can be used as a stabilizer in PVC (polyvinyl chloride) products. It can improve the thermal stability of PVC during processing, preventing the degradation of PVC at high temperatures and reducing the formation of discoloration and odor.
When using tris(nonylphenyl) phosphite, proper handling procedures should be followed. Before use, it is necessary to ensure that the storage conditions of the product are appropriate. It should be stored in a cool, dry, and well - ventilated place, away from direct sunlight and heat sources. When adding it to polymers, it is recommended to use a proper mixing device to ensure uniform dispersion. For example, in the production of plastic granules, it can be added during the extrusion process. The dosage of tris(nonylphenyl) phosphite depends on the specific application and the requirements of the polymer. Generally, the dosage in plastics ranges from 0.1% - 1% by weight. In rubber applications, the dosage may be slightly higher, usually around 1% - 3% by weight. It is important to conduct small - scale tests to determine the optimal dosage for specific products.
Case 1: A plastic pipe manufacturing company was facing the problem of pipe brittleness and discoloration after long - term use. After adding tris(nonylphenyl) phosphite at a dosage of 0.5% by weight during the extrusion process of polypropylene pipes, the antioxidant performance of the pipes was significantly improved. The pipes showed better resistance to oxidation and UV radiation, and the mechanical properties such as tensile strength and elongation at break were maintained at a high level even after several years of outdoor use. Case 2: A rubber tire manufacturer was experiencing premature aging of tires, which led to cracking and reduced grip performance. By adding tris(nonylphenyl) phosphite at a dosage of 2% by weight during the rubber mixing process, the tire's resistance to ozone and oxidation was enhanced. The tires showed a longer service life and better performance in various road conditions.
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