The product under discussion is High Quality irganox 1330 with the CAS number 1709 - 70 - 2. It is offered at a good price, which makes it an attractive option for various industries. Irganox 1330 is a high - performance antioxidant. The chemical name of this product is 3,3',3",5,5',5"-hexa-tert-butyl-a,a',a"-(mesitylene-2,4,6-triyl)tri-p-cresol. It appears as a white to off - white powder. The melting point of irganox 1330 typically ranges from 240 - 246°C. It has a high purity level, usually above 98%, which ensures its effectiveness in different applications.
Irganox 1330 is widely used in the polymer industry. In polyolefins such as polyethylene and polypropylene, it acts as an antioxidant. These polymers are commonly used in the production of plastic films, fibers, and molded parts. The addition of irganox 1330 helps to prevent the oxidation of these polymers during processing and long - term use. Oxidation can cause degradation of the polymer, leading to a decrease in mechanical properties such as strength and flexibility. As a result, products made from these polymers have a longer service life. In the rubber industry, irganox 1330 can also be used to protect rubber products from oxidation. Rubber products like tires, seals, and hoses are exposed to oxygen, heat, and ozone during their lifetime. Irganox 1330 can delay the aging process of rubber, maintaining its physical properties and performance. Moreover, it can be used in adhesives and coatings. In adhesives, it helps to improve the storage stability and bonding strength. In coatings, it enhances the weather resistance and durability of the coating film.
When using irganox 1330 in polymer processing, it is recommended to add it during the compounding stage. For polyolefins, the typical dosage is in the range of 0.05% - 0.5% by weight, depending on the specific polymer, processing conditions, and the required level of protection. It should be uniformly dispersed in the polymer matrix. This can be achieved through appropriate mixing equipment such as twin - screw extruders or Banbury mixers. In the rubber industry, it can be added during the rubber mixing process. The dosage usually ranges from 0.5% - 2% by weight. It is important to ensure that it is well - mixed with other rubber additives. When using it in adhesives and coatings, it can be added directly to the formulation. The dosage should be determined based on the composition of the adhesive or coating and the expected performance requirements. Before large - scale use, it is advisable to conduct small - scale experiments to optimize the dosage and process conditions.
Case Study 1: A plastic film manufacturing company was using a polypropylene - based film for food packaging. Without the addition of an antioxidant, the film started to show signs of yellowing and brittleness after a few months of storage. After adding irganox 1330 at a dosage of 0.2% by weight during the extrusion process, the film maintained its transparency and flexibility for more than a year. This not only improved the product quality but also reduced the product return rate.
Case Study 2: A tire manufacturer was facing issues with premature cracking of tire sidewalls. By incorporating irganox 1330 at a dosage of 1% by weight in the rubber compound during the mixing process, the aging resistance of the tires was significantly improved. The cracking resistance test results showed that the tires with irganox 1330 could withstand more severe environmental conditions without cracking, extending the tire's service life.
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