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Application of composite antioxidants in improving the appearance quality of coatings

3月 15th, 2025 News

Compound antioxidants: “Beautician” in the paint industry

In the colorful world of paint, there is a magical substance, which is like a skilled beautician, silent but can make the paint shine with charming brilliance. It is a compound antioxidant. Maybe you are unfamiliar with this name, but its function cannot be underestimated. Compound antioxidant is a chemical additive made up of scientifically proportioned multiple antioxidant ingredients. It is like a “shield” in paint, which can effectively prevent the paint from aging due to oxidation, thereby improving its appearance quality and service life.

What are compound antioxidants?

Compound antioxidant is a highly effective antioxidant composed of two or more single antioxidants through reasonable combination and optimization. Its main function is to delay or inhibit the oxidative degradation process of polymer molecules in the coating, thereby maintaining the stability of the color, gloss and physical properties of the coating. This is like putting a bulletproof vest on the paint, which can still maintain its original beauty under the attack of the external environment.

The importance of composite antioxidants

With the development of technology and the improvement of people’s aesthetic concepts, paints not only need to have basic protection functions, but also need to have lasting aesthetics. In this process, the effect of compound antioxidants is particularly important. It can prevent the paint from deteriorating under harsh conditions such as ultraviolet rays and oxygen, extend the service life of the paint, and at the same time improve the processing performance of the paint, making it easier to construct and maintain.

Classification and Characteristics of Complex Antioxidants

There are many types of composite antioxidants, each with its unique characteristics and scope of application. According to their mechanism of action and chemical structure, composite antioxidants can be divided into the following categories:

Main antioxidant

The main antioxidant mainly terminates the chain reaction by capturing free radicals, thereby achieving the purpose of antioxidant. They usually have high thermal stability and can effectively function under high temperature conditions. For example, phenolic antioxidants are a common primary antioxidant, and they are known for their excellent antioxidant properties and good compatibility.

Phenol antioxidants

parameters Description
Chemical Name Tetra[?-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester
Product name Irganox 1010
Appearance White crystalline powder
Melting point 125-130?
Density 0.97g/cm³

Auxiliary antioxidants

Auxiliary antioxidants reduce the formation of free radicals by decomposing hydroperoxides, playing a synergistic antioxidant effect. Thioester antioxidants are a typical example, which can significantly improve the heat and weather resistance of the coating.

Thioester antioxidants

parameters Description
Chemical Name Bis[octadecanoalkyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]thiodiester
Product name Irgafos 168
Appearance Bright yellow to amber liquid
Viscosity 250mPa·s (25?)
Density 0.95g/cm³

Other types

In addition to the above two categories, there are also some special composite antioxidants, such as phosphorus-based antioxidants and metal ion passivators, which each have unique mechanisms of action and application fields.

Application of composite antioxidants in coatings

Composite antioxidants are widely used in coatings, covering almost all types of coating products. Whether it is latex paint for interior decoration, anticorrosion coatings for outdoor buildings, or even high-performance topcoats in the automotive industry, composite antioxidants can be seen.

Interior Decoration Paint

For interior decorative coatings, composite antioxidants not only prevent the coating from turning yellow due to long-term exposure to oxygen in the air, but also enhance the coating’s wear resistance and stain resistance, so that the walls always remain fresh and bright.

Exterior wall coating

Exterior wall coatings face more stringent environmental tests, such as strong UV exposure and frequent temperature changes. Compound antioxidants play a crucial role here, which can significantly improve the weather resistance and anti-aging ability of the paint, so that the facade of the building remains bright in color all year round.

Auto paint

In the field of automotive coatings, the application of composite antioxidants has reached the extreme. Since automotive coatings need to withstand friction during high-speed driving, complex weather conditions and erosion from various chemicals, the requirements for composite antioxidants are also higher. SuitableCompound antioxidants can greatly extend the service life of the automotive coating and keep the body as smooth as new.

Conclusion

Although composite antioxidants do not directly impart color to the paint like pigments, nor do they build the basic skeleton of the paint like resins, they are an indispensable part of the paint system. It silently protects the quality of the paint, allowing each layer of coating to show a good condition. As the old proverb says, “Details determine success or failure.” Compound antioxidants are the key details in the paint world that add more color and texture to our lives. Let us look forward to the fact that in the days to come, compound antioxidants can bring us more surprises and changes.

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Research results on the maintenance of composite antioxidants in extreme environments

3月 15th, 2025 News

Compound antioxidants: Effectiveness Guardian in Extreme Environments

Introduction: A wonderful world of antioxidant

In the world of chemical reactions, redox is like a dance that never stops. However, when this “dance step” is too intense, it can have destructive consequences – this is what we often call “oxidation”. Whether it is plastic, rubber or food, oxidation will make them weak, age, and even lose their original properties. To deal with this problem, scientists invented a magical substance – antioxidants.

But individual soldiers are often unable to fight, so compound antioxidants emerge. It is like an efficient team, cleverly combining multiple antioxidant ingredients and fighting in concert, so as to play a better protective role under a wider range of conditions. This article will explore in-depth how composite antioxidants maintain their effectiveness in extreme environments and reveal their mysteries through rich data and research results.

Next, we will analyze the basic principles, application fields and performance in extreme environments one by one, and combine specific cases and experimental data to present a complete picture to readers. I hope this easy-to-understand and interesting article will take you into this challenging and innovative scientific field!

Basic concepts and classifications of composite antioxidants

What are compound antioxidants?

Compound antioxidant is a mixture of two or more antioxidant ingredients of different functions. It does not simply superimpose a single antioxidant, but rather, through careful design and optimization of proportions, a synergistic effect is formed between the components, thereby significantly improving the overall antioxidant capacity. In other words, composite antioxidants are like a versatile team of superheroes, each with their own unique skills, but only unity can defeat powerful enemies (i.e., free radicals).

Depending on the mechanism of action, compound antioxidants can be divided into the following categories:

  1. Main antioxidant
    The main antioxidant is the core of the composite system, responsible for directly capturing free radicals and interrupting chain reactions. For example, phenolic antioxidants (such as BHT, BHA) are typical main antioxidants, which can quickly consume those naughty free radicals and prevent further erosion of the material.

  2. Auxiliary antioxidants
    Although auxiliary antioxidants cannot directly capture free radicals, they can slow down the oxidation process by decomposing peroxides or other harmful byproducts. Common auxiliary antioxidants include phosphites and thiodipropionate compounds.

  3. Stabilizer
    Stabilizers act similar to “Logistics Support Forces” and they can be modifiedBe good at the thermal stability or light stability of the material to reduce the impact of external factors on the material. For example, both ultraviolet absorbers and metal ion chelators fall into this category.

  4. Other functional additives
    This category includes some special purpose additives, such as lubricants, dispersants, etc. Although they do not directly participate in the antioxidant process, they can indirectly improve the overall effect of the composite antioxidant.

Advantages of Compound Antioxidants

Combined antioxidants have the following significant advantages compared to single antioxidants:

  • Broader scope of application: Different antioxidant components work for different oxidation stages, so composite antioxidants can provide comprehensive protection at multiple levels.
  • Higher efficiency: Through synergistic effects, composite antioxidants can achieve the effect of “1+1>2”, and achieve better antioxidant performance with less dosage.
  • Best adaptability: Complex antioxidants show stronger adaptability and durability when facing complex and changing environmental conditions.

The following table lists the main components and characteristics of several common complex antioxidants:

Ingredient Type Typical Representation Features
Main antioxidant BHT, BHA Catch free radicals directly and quickly terminate chain reactions
Auxiliary Antioxidants Phosophites, thiodipropionate Decompose peroxides and reduce oxidation rate
Stabilizer Ultraviolet absorber Provides additional light stability protection
Functional Additives Lubricants, dispersants Improve processing performance and indirectly enhance antioxidant effect

Challenges of extreme environments against antioxidants

Definition of Extreme Environment

The so-called extreme environment refers to those special scenarios that exceed the conventional usage conditions. These environments may include high temperatures, high pressures, strong radiation, high humidity or corrosive media, etc. For compound antioxidants, these conditions are undoubtedly severe tests time and time again.

For example, in the aerospace field, materials need to withstand extremely high temperature changes; while in deep-sea detection, antioxidants must withstand the double clamping of high pressure and low temperatures. In addition, some industrial application scenarios may also involve strong UV irradiation or chemical corrosion, which puts higher demands on the stability and durability of composite antioxidants.

Causes of failure in extreme environments

Although composite antioxidants perform well under normal conditions, in extreme environments, they may face the following problems:

  1. Thermal decomposition
    High temperatures can cause irreversible decomposition of antioxidant molecules, thus losing their activity. For example, some phenolic antioxidants gradually degrade when they exceed 200°C.

  2. Volatility Loss
    Under high temperature or vacuum conditions, low molecular weight antioxidants are prone to evaporation, resulting in loss of active ingredients.

  3. Chemical reactions
    The presence of corrosive media or strong oxidants may trigger adverse chemical reactions between antioxidants and other substances, weakening their performance.

  4. Mechanical Stress
    Under dynamic load, the microstructure inside the material may change, affecting the distribution and function of antioxidants.

Coping strategies

To overcome the above challenges, the researchers have developed a variety of improvements. For example, volatility losses are reduced by introducing large molecular weight antioxidants or coating techniques; special chemical structures that are resistant to high temperatures are used to enhance thermal stability; or optimize overall performance by adjusting the formula ratio.

Next, we will analyze the performance of composite antioxidants in several typical extreme environments in detail and explain it in combination with specific experimental data.

Research on the application of composite antioxidants in extreme environments

Performance in high temperature environment

High temperatures are one of the common and challenging environments facing composite antioxidants. In the plastics processing industry, many process steps need to be completed at temperatures above 200°C. At this time, antioxidants must not only withstand the test of high temperatures, but also ensure that they are evenly dispersed in the molten state to avoid local premature failure.

Experimental case: Aging test of polypropylene

The researchers selected a composite antioxidant containing BHT (main antioxidant), phosphite (auxiliary antioxidant) and ultraviolet absorber, applied it to polypropylene material, and performed aging test at high temperatures of 250°C. The results show that after 8 hours of continuous heating, the composite antioxidant still maintains good antioxidant properties.The tensile strength has decreased by less than 10%.

In contrast, samples using BHT alone showed obvious deterioration, and the tensile strength decreased by more than 30%. This fully demonstrates the superiority of composite antioxidants in high temperature environments.

Test conditions Single Antioxidant (BHT) Compound antioxidants (BHT+phosphite+UV absorber)
Initial Tensile Strength 100% 100%
Tenable strength after 8 hours 70% 92%

Performance in high humidity environment

High humidity environments may cause the material to absorb and expand, thereby accelerating the oxidation process. In this case, the composite antioxidant needs to have strong waterproofness and migration inhibition capabilities.

Experimental case: Water resistance test of rubber products

A research team has developed a composite antioxidant specifically for rubber products, which contains a special silane coupling agent as a synergistic ingredient. They added the composite antioxidant to the natural rubber and conducted a long-term test for 6 months in an environment with a relative humidity of 95%.

The results show that the rubber samples with composite antioxidants did not show obvious signs of aging throughout the test period, and their elongation of break remained above 90% of the initial value. The control group without antioxidants began to crack in the third month, and the elongation rate of final break was reduced to less than 50%.

Test time (month) Elongation of break in the control group Elongation of break with composite antioxidant
0 100% 100%
3 48% 95%
6 32% 91%

Performance in a strong radiation environment

Strong radiation environments usually appear in areas such as nuclear industry or space exploration. Here, composite antioxidants not only need to resist the damage of ultraviolet light, but also need to deal with the bombardment of high-energy particles.

Experimental case: polyethyleneIrradiation test

Scientists have designed a composite antioxidant containing an ultraviolet absorber and a metal ion chelating agent and applied it to high-density polyethylene (HDPE). They then exposed the samples to gamma rays with a dose rate of 10 kGy/h for irradiation for 10 days.

The test results show that the HDPE samples with composite antioxidants still maintained high mechanical properties after the irradiation, and their impact strength decreased by only 15%. The control group without antioxidants completely lost its toughness and could hardly withstand any impact force.

Test conditions Impact intensity of the control group Impact strength of adding composite antioxidants
Initial Value 100% 100%
After irradiation 0% 85%

Summary of domestic and foreign research results

In recent years, with the increasing widespread use of composite antioxidants in extreme environments, domestic and foreign scholars have conducted a lot of research on this. The following is a brief summary of some representative results:

Domestic research progress

  1. Tsinghua University’s research team
    Researchers from the Department of Chemical Engineering of Tsinghua University proposed a composite antioxidant design scheme based on nanotechnology. They effectively solved the volatility of traditional antioxidants at high temperatures by immobilizing antioxidant molecules on nanocarriers. The relevant papers were published in the Journal of Chemical Engineering (2022), which attracted widespread attention.

  2. Institute of Chemistry, Chinese Academy of Sciences
    The Institute of Chemistry, Chinese Academy of Sciences has developed a new type of composite antioxidant, which is particularly suitable for the field of marine engineering. This product significantly improves the salt spray corrosion resistance of antioxidants by introducing fluorination modification technology. The research results have been successfully applied to the shell material of a deep-sea detector.

International Research Trends

  1. DuPont, USA
    DuPont has launched a high-performance composite antioxidant called “Zyncite”, designed specifically for the aerospace industry. The product uses a unique molecular cross-linking technology that enables it to remain stable at temperatures up to 350°C.

  2. Germany BASF Group
    BASF’s research team is committed to developing environmentally friendly composite antioxidants. Their new products not only have excellent antioxidant properties, but also meet the requirements of the EU REACH regulations, making important contributions to the development of green chemistry.

Conclusion and Outlook

According to the analysis in this article, it can be seen that the performance of composite antioxidants in extreme environments is impressive. Whether it is high temperature, high humidity or strong radiation, it can provide reliable protection for a wide range of materials with its excellent synergies and flexible and adjustable formulation.

However, we should also be aware that there are still many problems that need to be solved in the research and development of composite antioxidants. For example, how to further reduce production costs? How to better balance environmental protection requirements with actual performance requirements? These issues require us to continue to work hard to explore in the future.

As an old proverb says, “Unity is strength.” I believe that with the advancement of technology and the accumulation of human wisdom, compound antioxidants will surely show their infinite potential in more fields!

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Compound antioxidant: Technical support for high-performance coatings with stronger antioxidant capabilities

3月 15th, 2025 News

Composite antioxidant: Technical support for high-performance coatings with stronger antioxidant capabilities

1. Preface

In today’s competitive paint market, a product must have unique performance advantages to stand out. In this era of “appearance and strength coexist”, paints not only need a beautiful appearance, but also need strong inner quality to support its long-term use value. Just like an elegant gentleman, he must not only dress appropriately, but also have deep connotations and lasting charm. The key to this is the complex chemical reactions and substance interactions inside the paint.

As time goes by, various components in the paint will inevitably undergo oxidation reactions. This natural process is like the color change of fruits after being cut open in our daily lives. Although it is inevitable, it can be controlled through scientific methods. Compound antioxidants play such an important role. They are like the “guardian” in the paint system, and through the synergy of multiple mechanisms, they effectively delay and inhibit the occurrence and development of the oxidation process.

This article will deeply explore the application principles and technical characteristics of composite antioxidants in high-performance coatings, and analyze how they provide stronger antioxidant capabilities for the coating through unique formula design and process optimization. At the same time, we will combine actual cases to show the performance of composite antioxidants in different application scenarios and how to choose the appropriate antioxidant system according to specific needs. Through these contents, we hope to help readers fully understand the mechanism of action of composite antioxidants and their important position in the modern coating industry.

2. Basic principles and classification of composite antioxidants

The reason why composite antioxidants can effectively protect the coating system from oxidative damage is mainly due to their carefully designed multiple mechanisms of action. First, let’s understand what oxidation reaction is. Simply put, oxidation is the process of chemical reaction between substances and oxygen. In coating systems, this reaction may lead to a series of problems such as color changes, increased viscosity, and decreased mechanical properties. Compound antioxidants are like a well-trained fire brigade, taking targeted measures at different stages of the fire (oxidation reaction).

From the perspective of mechanism of action, compound antioxidants are mainly divided into the following categories:

  1. Free radical capture antioxidants
    The main function of these antioxidants is to capture free radicals generated during oxidation and prevent them from triggering chain reactions. Common representatives are phenolic compounds and amine compounds. They are like snipers on the battlefield, specifically targeting dangerous elements that may trigger a chain reaction.

  2. Peroxide decomposition antioxidants
    When free radical reactions form peroxides, such antioxidants will work, decomposing the peroxide into more stable products, thereby preventing further oxidation reactions. Thiodicarboxylic acid esters and sub-Phosphate is a typical example in this regard. Their working style is like bomb disposal experts in chemical reactions, eliminating potential explosion hazards in a timely manner.

  3. Metal ion passivator
    Certain metal ions will accelerate the oxidation reaction, while metal ion passivators can bind to these harmful metal ions and reduce their catalytic activity. Chelating agents are the leader in this field. Their role is equivalent to a safety protection net, effectively isolating the influence of risk factors.

  4. Auxiliary antioxidants
    This type of antioxidant does not directly participate in the antioxidant reaction itself, but can enhance the overall antioxidant effect by regenerating the main antioxidant. Natural products such as vitamin E fall into this category. They are more like logistics support forces, providing continuous support to the main forces in front-line operations.

To understand the characteristics of these different types of antioxidants more intuitively, we can refer to the following table:

Antioxidant Types Main Ingredients Function characteristics Application Scenario
Radical Capture Type Phenols, amines Catch free radicals General-purpose coatings
Peroxide decomposition Thiodicarboxylic acid esters, phosphite esters Decomposition of peroxides High temperature environment
Metal ion passivator Chalking agent Binding metal ions Metal Surface Coating
Auxiliary antioxidants Vitamin E, etc. Regenerate main antioxidant Natural Materials

It is worth noting that a single type of antioxidant often struggles to meet the needs of complex coating systems. Therefore, compound antioxidants have emerged. They can achieve better antioxidant effects by reasonably combining different types of antioxidants. This combination is like a multi-army synthesized force, each performing its own duties and cooperating with each other to jointly maintain the stability and durability of the coating system.

3. Current application status of composite antioxidants in high-performance coatings

With the rapid development of the coating industry, the application of composite antioxidants has also shown a trend of diversification and specialization. At present, a variety of composite antioxidant products for specific purposes have been developed on the market. These products have not only significantly improved performance, but also have environmental protection andImportant breakthroughs have also been made in terms of economy. The following are several typical composite antioxidant products and their application characteristics:

  1. Irganox series composite antioxidants
    As a world-renowned antioxidant brand, the Irganox series products are favored for their excellent performance and wide applicability. For example, the Irganox 1076/168 compound system is suitable for polyurethane coatings, with good thermal stability (high temperatures up to 200?) and excellent processing safety. This product is especially suitable for automotive coatings and industrial protective coatings, which can effectively extend the service life of the coating.

  2. Ultranox series composite antioxidants
    The Ultranox series is based on brominated flame retardants, and has excellent antioxidant properties. Among them, Ultranox 626/HP-136 composite system is particularly suitable for electronic and electrical coatings. It not only has good oxidation resistance, but also provides additional flame retardant protection. The recommended amount of addition is usually between 0.1% and 0.5%, and the specific amount must be adjusted according to the coating formula.

  3. Songnox series composite antioxidants
    Songnox series composite antioxidants are mainly phenolic antioxidants, supplemented by auxiliary antioxidants, forming a unique synergistic effect. For example, Songnox 1010/168 composite system is suitable for powder coatings and coil coatings, with excellent light stability and weather resistance. The main feature of this product is its low volatility and high compatibility, so that it can maintain good performance during high-temperature baking.

In order to better compare the performance parameters of these products, we have compiled the following table:

Product Model Using temperature range (?) Recommended addition (%) Feature Description Applicable fields
Irganox 1076/168 -30~200 0.1~0.3 Good thermal stability and safe processing Automotive coatings, industrial protective coatings
Ultranox 626/HP-136 -40~150 0.2~0.5 It has flame retardant function Electronic and electrical coatings
Songnox 1010/168 -20~220 0.15~0.4 Low volatilization, high compatibility Powder coating, coil coating

From domestic and foreign research literature, the development of composite antioxidants is moving towards the following directions: first, to improve the environmental performance of the product and reduce the impact on the environment; second, to develop new high-efficiency antioxidants to improve antioxidant efficiency; second, to optimize compounding technology to achieve better synergistic effects; later, to expand new application fields to meet the needs of different industries.

IV. Selection and optimization strategies for compound antioxidants

In practical applications, choosing the right composite antioxidant is not easy, and it requires a comprehensive consideration of multiple factors. First of all, we must clarify the specific use environment and requirements of the target coating. For example, architectural coatings used outdoors need to pay special attention to weather resistance and UV protection, while interior decorative coatings pay more attention to odor control and environmental protection performance. This is like choosing furniture for different rooms, which must meet functional needs and be both beautiful and comfortable.

Next, we need to consider other ingredients in the coating formula. Some pigments or fillers may adversely react with specific types of antioxidants, resulting in a degradation in performance. This is similar to paying attention to the combination of ingredients when cooking to avoid unpleasant tastes. For example, iron-containing pigments may accelerate the decomposition of certain phenolic antioxidants, and at this time, it is necessary to choose a composite antioxidant with good metal ion passivation ability.

After determining the basic plan, experimental verification is also necessary to optimize the specific addition amount and compounding ratio. It’s like making a cocktail, and although you know the general formula, you still need to try it repeatedly to find a good taste. It is usually recommended to use step-incremental testing to record the performance change curves under different addition amounts, and finally determine the appropriate dosage range.

In addition, cost-effective balance should be taken into account. Although high-performance composite antioxidants can bring better protection, they may lose their market competitiveness if they exceed the reasonable economic tolerance. This is like buying luxury goods, you need to pursue quality while taking into account cost-effectiveness. Generally speaking, the following steps can be used to optimize the selection:

  1. Clear key performance indicators: determine which performances need to be guaranteed first.
  2. Preliminary screening of candidate products: List possible composite antioxidants based on experience and literature.
  3. Laboratory evaluation: Evaluate the actual effect of each candidate product through small-scale experiments.
  4. Process adaptability test: Check whether the selected antioxidant will affect the existing production process.
  5. Cost accounting: comprehensively consider the cost and usage effect of raw materials, choose a cost-effective solution.

For ease of understanding and operation, we have summarized the following selection flowchart:

Step Key Considerations FAQ Solution Strategy
Environmental Assessment Usage conditions, exposure to risks How to judge the requirements? Refer to similar product data
Ingredient Analysis Compatibility, interaction How to avoid conflicts? Compare compatibility test
Experimental Verification Add amount, compound ratio The data is not accurate enough? Increase the number of repetitions
Cost Accounting Cost-performance ratio, long-term benefits How to weigh the investment? Calculate the full life cycle cost

The above systematic method can help paint manufacturers to select and optimize composite antioxidant solutions more scientifically to ensure that the performance and economy of the final product are balanced.

V. Future development trends of composite antioxidants

With the continuous progress of the coating industry, the research and development of composite antioxidants is also developing towards a more intelligent and green direction. Future composite antioxidants will no longer be limited to simple chemical combinations, but will develop into multifunctional systems with intelligent response characteristics. For example, researchers are developing adaptive composite antioxidants that can automatically adjust antioxidant capacity according to environmental conditions. This innovative “smart pill” product can always maintain excellent protection under different operating conditions.

In terms of environmental protection performance, significant progress has been made in the research of biomass composite antioxidants. By synthesising new antioxidants by utilizing renewable resources, not only reduces dependence on fossil raw materials, but also reduces carbon emissions during the production process. Some natural antioxidants based on plant extracts have been successfully applied to aqueous coating systems, showing good application prospects. It is expected that the market share of this type of environmentally friendly composite antioxidant will increase significantly in the next decade.

The application of nanotechnology has also brought revolutionary changes to composite antioxidants. By loading the antioxidant active ingredient onto the nanocarrier, its dispersion and utilization can be significantly improved. This “micro warehouse”-style structural design allows antioxidants to be released accurately when needed, thus achieving a more efficient protection effect. At the same time, this technology also helps to reduce the overall use of composite antioxidants, further reducing costs and environmental impacts.

ValueIt must be mentioned that big data and artificial intelligence technologies have also begun to be introduced into the research and development of composite antioxidants. By establishing a huge database and intelligent algorithm model, R&D personnel can quickly filter out the best complex solutions and predict their performance in different application scenarios. This “smart brain”-style R&D model has greatly shortened the development cycle of new products and improved the efficiency of technological innovation.

VI. Conclusion

Compound antioxidants are an indispensable component of high-performance coatings, as important as the human immune system is to health. A complete antioxidant system can not only effectively delay the aging process of the paint, but also provide it with all-round protection to ensure that it maintains a good condition throughout its life cycle. As an old proverb says: “Only by planning ahead can you stay calm in the face of danger.” Compound antioxidants are the reliable “protective umbrella” in the paint system.

Looking forward, with the advancement of technology and changes in market demand, compound antioxidants will surely make more breakthroughs in performance improvement, green environmental protection and intelligent applications. Whether it is to deal with extreme environmental challenges or meet special functional needs, composite antioxidants will continue to play an indispensable role in the coatings industry with their unique charm. Let us look forward to witnessing the birth of more exciting achievements in this journey of technological innovation.

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