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Plastics manufacturing has evolved dramatically over time. Plastics were originally produced using a few natural materials, but now there are thousands of plastics made from a variety of natural and synthetic materials.
View MoreHow Do Antioxidants in Plastics Work?
One of the greatest benefits of using plastics is their longevity. However, when certain polymers are placed under unfavourable conditions, such as extreme heat or exposure to certain chemicals, they can break down at an accelerated rate.
View MoreCommon Applications of Anti-aging Additives
As a large number of plastic products enter food contact applications, so do concerns about customer health and safety.
View MoreEnhanced Antioxidant Trends in Durable Plastic Products
Essentially all plastic materials are subject to oxidation reactions, which can occur at every stage of a polymer's life cycle, from the material's manufacture and storage to its compounding/processing and end use.
View MoreApplication of Antioxidants
Antioxidants can delay or prevent the oxidation or self-oxidation process of polymers. They are called antioxidants. Antioxidants are a class of chemical substances.
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Additives are needed to stabilize polypropylene during melt processing and protect plastics against thermo-oxidative degradation during service life
Antioxidants are widely used in plastics, rubber, fiber, coatings, and adhesives industry. Basically, antioxidants are used in every polymers processing.
Plastics tend to change over time due to exposure to heat, radiation, or a corrosive environment. The changes occur as a result of oxidative degradation and can severely affect the properties and service life of the polymers.
Antioxidants help in extending the life cycle of plastic, increase color deterioration, offer tensile strength and elongation, reduced impact resistance, cracking, and other surface deterioration.
antioxidants polymer additives are essential because they help prevent a process called oxidation. They are able to stabilize the plastic products’ qualities and slow degradation processes.
Stabilizing additives are extremely important in the plastics industry, as they offer resistance to various degradation processes and chemical reactions that can harm the polymers. We’ve discussed antioxidants in this article, but we manufacture many other types of additives that are classified as stabilizers.
As the temperatures that the finished part must withstand rise, so must the level of antioxidants in the polymers to prevent long-term degradation and maintain the polymer physical properties.
The plastic products that most commonly contain antioxidant additives include: A variety of pipes and fittings used in the building & construction industry Polyethylene films (PE films) used a variety of applications, from construction to food packaging Products and films made from polypropylene (PP)
Primary antioxidants and secondary antioxidants are the two major categories of plastic antioxidants, and plastic made from primary type is often combined with secondary to produce thermally stable plastic products.
Primary antioxidants and thioesters are added to the polymer to provide end-use product stability while phosphites or phosphonites are added to provide color and processing stability during pelletization and extrusion/molding.
Plastic antioxidant works for the same purpose. antioxidant as used to improve polymers’ high-temperature stability.
Antioxidants protect polymers against oxidation by controlling molecular weight changes that lead to a loss of physical, mechanical, and optical properties.