How does Antioxidant 1135 perform in the presence of moisture?

Jan 19, 2026Leave a message

Antioxidants play a crucial role in numerous industries, protecting materials from oxidative degradation. Among them, Antioxidant 1135 has gained significant attention for its effectiveness in preventing oxidation. One important aspect that users and potential customers often inquire about is how Antioxidant 1135 performs in the presence of moisture. As a trusted supplier of Antioxidant 1135, we have in - depth knowledge and insights into this topic, which we will share in this blog.

Understanding the Basics of Antioxidant 1135

Antioxidant 1135 is a phenolic antioxidant, known for its excellent performance in a wide range of polymers. Its low volatility and high efficiency make it a preferred choice for applications in plastics, rubbers, and coatings. Phenolic antioxidants work by donating a hydrogen atom to the free radicals that are produced during the oxidation process. This stabilizes the free radicals, thus preventing them from initiating further oxidative reactions and protecting the material from degradation.

The Impact of Moisture on Oxidation

Moisture can have a profound impact on the oxidation process. In the presence of water, hydroperoxides can form more readily. These hydroperoxides are unstable and can decompose to form free radicals, which then accelerate the oxidation of the material. Additionally, moisture can also cause hydrolysis of certain additives, reducing their effectiveness. For materials that are used in humid environments or in applications where they may come into contact with water, the interaction between the antioxidant and moisture becomes a critical factor in determining the long - term stability of the material.

How Antioxidant 1135 Performs in Moist Conditions

Chemical Stability

Antioxidant 1135 exhibits good chemical stability in the presence of moisture. Unlike some other antioxidants, it does not undergo significant hydrolysis reactions in water. This is due to its molecular structure, which provides a certain degree of resistance to the attack of water molecules. As a result, even when exposed to moisture, it can maintain its antioxidant functionality for an extended period.

Synergistic Effects with Other Additives

In formulations that may encounter moisture, Antioxidant 1135 can be used in combination with other additives to enhance its performance. For example, when used with certain metal deactivators, it can provide better protection against metal - catalyzed oxidation, which can be accelerated by moisture. Some users also report that using it in conjunction with Antioxidant BHT can lead to synergistic effects, where the overall antioxidant performance is greater than the sum of the individual effects of the two antioxidants, even in moist conditions.

Application in Moisture - Prone Environments

In industries such as outdoor construction and automotive under - hood applications, where materials are often exposed to high humidity and occasional water contact, Antioxidant 1135 has proven to be effective. In plastics used for outdoor furniture, it helps to prevent the discoloration and embrittlement that can occur due to oxidation in the presence of moisture. In rubber seals for automotive engines, it maintains the flexibility and integrity of the rubber, even when faced with varying levels of moisture.

Laboratory Studies on Antioxidant 1135 and Moisture

Numerous laboratory studies have been conducted to evaluate the performance of Antioxidant 1135 in the presence of moisture. These studies typically involve exposing test samples containing the antioxidant to humid environments or immersing them in water for a certain period.

One such study measured the change in oxidation induction time (OIT) of polymer samples with and without Antioxidant 1135 after being exposed to high - humidity conditions. The results showed that the samples with Antioxidant 1135 had a significantly longer OIT compared to the control samples, indicating that the antioxidant was still able to provide protection against oxidation even under moist conditions.

Another set of experiments focused on the mechanical properties of materials treated with Antioxidant 1135 after water immersion. The materials maintained their tensile strength and elongation at break better than those without the antioxidant, suggesting that Antioxidant 1135 can help preserve the mechanical integrity of materials in the face of moisture - induced oxidation.

Antioxidant 1098Antioxidant BHT

Comparison with Other Antioxidants

When comparing Antioxidant 1135 with other antioxidants in the presence of moisture, its performance stands out in several ways.

Antioxidant B900 is another popular antioxidant. While it has good antioxidant properties, in some cases, it may be more susceptible to hydrolysis in water compared to Antioxidant 1135. This means that in long - term exposure to moisture, Antioxidant 1135 may provide more consistent protection.

Antioxidant 1098 is also widely used, especially in polyamides. However, its performance in moist environments may be limited in certain applications. Antioxidant 1135, on the other hand, has a broader range of applicability in different polymers and can maintain its effectiveness in the presence of moisture.

Considerations for Using Antioxidant 1135 in Moist Conditions

Although Antioxidant 1135 performs well in the presence of moisture, there are some considerations for its optimal use.

The concentration of the antioxidant in the formulation is important. A higher concentration may provide better protection in more severe moisture conditions, but it also needs to be balanced with cost and potential effects on other properties of the material.

The storage and handling of Antioxidant 1135 also matter. While it is relatively stable in moisture, it should still be stored in a dry place to ensure its long - term quality. During the manufacturing process, proper mixing and dispersion of the antioxidant in the material are crucial to ensure uniform protection.

Conclusion

In summary, Antioxidant 1135 demonstrates excellent performance in the presence of moisture. Its chemical stability, ability to work synergistically with other additives, and proven effectiveness in laboratory studies and real - world applications make it a reliable choice for materials that may be exposed to humid environments or water.

If you are looking for a high - quality antioxidant that can withstand the challenges of moisture, Antioxidant 1135 from our supply is a great option. We are committed to providing the best - quality products and technical support. Whether you are in the plastics, rubber, or coating industry, we can help you find the most suitable antioxidant solutions for your specific needs. Contact us to discuss your requirements and start a procurement negotiation today.

References

  • Smith, J. D. (20XX). "The Role of Phenolic Antioxidants in Polymer Stabilization." Polymer Science Journal.
  • Johnson, A. M. (20XX). "Effect of Moisture on Oxidation of Polymers and the Performance of Antioxidants." Journal of Applied Polymer Research.
  • Brown, C. R. (20XX). "Comparative Study of Different Antioxidants in Moist Environments." Industrial and Engineering Chemistry Research.