• The difference between non-silicone defoamers and silicone defoamers
    The difference between non-silicone defoamers and silicone defoamers
    In all walks of life, most products have to go through a series of steps when they are manufactured. However, during the production operation, there will be too much foam that hinders the production process, so there are all kinds of defoamers. However, in the final analysis, defoamers are generally divided into two types of defoamers: silicone and non-silicone. So what is the difference between these two defoamers?     From the perspective of chemical composition, silicone defoamers are mainly made of silicone compounds, while non-silicone defoamers are made of other compounds, such as fatty acid salts, polyethers, etc. The main component of silicone defoamers is polysiloxane, which has a special chemical structure and can form a stable film on the surface of the liquid, thereby inhibiting the formation and diffusion of bubbles. Non-silicone defoamers achieve the defoaming effect by changing the surface tension of the liquid.   From the perspective of application areas, silicone defoamers are mainly used in industrial fields such as liquid detergents, coatings, paints, and foam plastics. Since silicone defoamers have excellent defoaming performance and stability, and can effectively reduce the bubble content in liquids, they are widely used in these fields. Non-silicon defoamers are mainly used in food processing, pharmaceuticals, cosmetics and other fields because they are non-toxic and harmless to the human body and will not affect the quality of the product.   Silicones emphasize the principle of universality and tend to cover the process links of various industries to the greatest extent, such as energy mining and daily cleaning. It is committed to maximizing the versatility of products. The product orientation of non-silicon defoamers is more inclined to specialization, making up for the fields that silicones cannot be applied to, such as papermaking and coating.   In summary, organic defoamers are mainly made of silicone compounds and are more suitable for industrial applications; while non-silicon defoamers are made of other compounds and are better used in food, pharmaceuticals and other fields. Both have their advantages, so before choosing a defoamer, you should determine the application scenario to achieve the best defoaming effect.    
    - Apr 25, 2025
  • Defoamers in inks and coatings: Boosting performance, leading sustainable innovation
    Defoamers in inks and coatings: Boosting performance, leading sustainable innovation
    The role of defoamers in the inks and coatings industry is often underestimated, but these specialized additives are essential to ensure product quality, process efficiency, and end-user satisfaction. As manufacturers deal with a changing regulatory environment and consumer demand for environmentally friendly solutions, defoamers are gaining attention as problem solvers and innovation drivers. Here’s an in-depth analysis of their current impact and future developments.     The Silent Guardian of Quality During the production and application of inks and coatings, trapped air bubbles can cause defects such as pinholes, pits, or surface unevenness, which can affect aesthetics and functionality. Defoamers—chemical agents designed to control foam formation—play a vital role in mitigating these problems. By destabilizing the foam structure, they ensure smooth application in processes such as high-speed printing, automotive painting, or architectural coating projects. Their importance goes beyond aesthetics: in industrial coatings, for example, a bubble-free surface can enhance corrosion resistance and durability.   Formulating effective defoamers, however, is not an easy task. Compatibility with different resin systems, stability at different pH levels, and tolerance to temperature fluctuations have always been challenges. Overdosing can lead to surface defects such as fisheyes, while underdosing can result in ineffective foam control. This balance drives continued R&D in this area.   Sustainability Takes Center Stage With increasingly stringent environmental regulations, such as volatile organic compound (VOC) emission limits in the EU and North America, and growing demand for waterborne and bio-based coatings, traditional silicone or mineral oil-based defoamers are facing a severe test. Manufacturers are now prioritizing "green" alternatives that align with the principles of the circular economy. For example:   High-performance silicone-free defoamers are gaining traction, providing compatibility with waterborne systems without sacrificing foam control.   Bio-based defoamers, made from vegetable oils or modified natural polymers, are becoming a niche solution for environmentally conscious brands.   According to a 2023 report from Grand View Research, the global defoamer market is expected to grow at a compound annual growth rate of 4.1% through 2030, driven by sustainability directives and expansion in the packaging and construction industries.   Next Generation Innovation: Beyond Bubble Control The future of defoamers lies in versatility and precision. Key trends include: 1. Nano-engineered defoamers: Using nanotechnology to improve dispersion efficiency and reduce additive dosage, minimizing the impact on coating clarity or mechanical properties. 2. Smart defoamers: Responsive agents that activate only under specific conditions (such as during high shear mixing), ensuring optimal perform...
    - Apr 18, 2025
  • Study on the Effect of Temperature on the Performance of Defoamers
    Study on the Effect of Temperature on the Performance of Defoamers
    Defoamers are chemicals used to reduce or prevent foam formation and are widely used in various fields of industrial production processes, such as papermaking, printing and dyeing, chemicals, and food processing. Their main function is to destroy formed foam or prevent the formation of foam by reducing the surface tension of the liquid. However, the effect of defoamers is not consistent under all conditions. Temperature, as a key factor, has a significant impact on their effectiveness.   Temperature and Defoamer Mechanism   The mechanism of action of defoamers mainly includes two steps: diffusion and film breaking. First, the defoamer molecules need to diffuse quickly to the gas-liquid interface; second, they must be able to effectively penetrate the foam film and cause it to break. Changes in temperature directly affect the efficiency of these two processes. As the temperature increases, the viscosity of the liquid usually decreases, which helps the defoamer molecules diffuse to the gas-liquid interface faster. However, too high a temperature may increase the volatility of the defoamer, causing it to evaporate before reaching the target location, thereby reducing the defoaming effect.   Effect of temperature on different types of defoamers   Organic silicon defoamers: These defoamers have good thermal and chemical stability and can maintain good defoaming effects at higher temperatures. However, extreme high temperatures (over 250°C) may cause them to decompose or lose activity.   Polyether defoamers: They are suitable for applications in medium and low temperature environments. As the temperature rises, their solubility increases, which may lead to a weakening of the defoaming effect.   Mineral oil defoamers: These defoamers usually perform well at lower temperatures, but are prone to oxidation and deterioration in high temperature environments, affecting their long-term use effects.   Considerations in practical applications   When selecting a defoamer suitable for a specific application scenario, in addition to considering temperature factors, other conditions such as pH value, solution composition, and operating pressure need to be considered comprehensively. For example, in some applications where the defoaming effect needs to be maintained for a long time, even under relatively stable temperature conditions, it is necessary to select a defoamer product with good durability.   Conclusion In summary, temperature has an important influence on the performance of defoamers. Understanding the performance characteristics of various defoamers under different temperature conditions and rationally selecting and using defoamers based on this is crucial to improving the efficiency and product quality of industrial production. Future research can further explore how to improve the existing defoamer formulations to enhance their adaptability and effectiveness over a wider temperature range.    
    - Apr 11, 2025
  • Defoamers in Textiles: Green Innovation and Future Trends
    Defoamers in Textiles: Green Innovation and Future Trends
    In recent years, global textile supply chain upgrades and tightening environmental regulations have spotlighted defoamers as critical auxiliaries in manufacturing. From dyeing, sizing, to wastewater treatment, defoamers play an increasingly vital role in enhancing product quality and reducing energy consumption. Meanwhile, their shift toward eco-friendly formulations and smart applications has become a cornerstone of the industry’s sustainable transformation.     I. Current Applications: The Silent Guardian of Textile Production Foam generation during textile processing significantly impacts efficiency and product integrity. Key challenges include: Dyeing Processes: Foam causes uneven dye distribution, leading to stains or reduced color fastness. Sizing Operations: Excess foam compromises coating uniformity on yarn surfaces, affecting weaving performance. Wastewater Management: Foam accumulation in surfactant-rich textile effluent slows treatment and raises costs. Globally, silicone-based, polyether, and mineral oil defoamers dominate the market. According to Grand View Research’s 2023 Textile Chemicals Report, defoamers account for approximately 12% of textile auxiliaries, with a CAGR of 6.5%. Over 50% of demand originates from Asia-Pacific (notably China and India), aligning with the region’s massive textile manufacturing footprint.   II. Green Defoamers Rise Amid Regulatory Pressure Stringent policies like EU REACH and China’s carbon neutrality goals are phasing out traditional defoamers containing VOCs (Volatile Organic Compounds) and APEO (Alkylphenol Ethoxylates). Innovation now focuses on: Bio-based Defoamers: Derived from plant oils or microbial fermentation, these biodegradable solutions minimize toxicity. Trials of plant-derived formulations in select dyeing mills have demonstrated carbon emission reductions of up to 30%. High-efficiency Hybrid Defoamers: Nano-engineered blends of silicone and polyether achieve superior foam suppression with lower dosages, reducing chemical consumption. Industry leaders have intensified R&D efforts, with major players prioritizing green defoamer development to align with global sustainability targets.   III. Future Trends: Smart Solutions and Circular Economy Integration IoT-enabled Precision Defoaming Smart factories are adopting sensor-based systems to monitor foam levels in real-time, dynamically adjusting defoamer inputs. Pilot projects in advanced manufacturing facilities have reported annual savings exceeding $110,000 (USD) alongside a 15–30% reduction in chemical use. Closed-loop Systems for Wastewater Integrated defoamer recovery technologies are gaining traction. Recent advancements in "foam flotation-defoamer recycling" systems enable the recovery of over 90% of defoamer components from wastewater, supporting circular economy models. Cross-industry Tech Breakthroughs Nanomaterials and microencapsulation are enabling next-gen defoamers. For ...
    - Mar 26, 2025
  • Application of Silicone-free Water Treatment Defoamer in Foam Control
    Application of Silicone-free Water Treatment Defoamer in Foam Control
    During the water treatment process, foam generation will affect the treatment effect and equipment operation, so defoamers are needed to eliminate foam. Although traditional silicone defoamers have good defoaming effects, there are some environmental and process problems, such as not easy to degrade, high conductivity or vacuum abnormalities in some systems, etc. As a new type of defoamer, silicone-free water treatment defoamer has unique performance advantages and has gradually attracted widespread attention.   Silicon-free water treatment defoamers mainly achieve defoaming function by reducing the surface tension of the foam liquid film. When the defoamer is added to the system containing foam, it can quickly disperse on the foam surface, destroy the elastic film of the foam, and cause the foam to break and disappear.   During the wastewater treatment process of the printing and dyeing plant, the foam problem is serious due to the large amount of surfactants in the wastewater. After adding the silicone-free water treatment defoamer, the foam problem was effectively solved, the wastewater treatment effect was significantly improved, and the defoamer had no negative impact on the subsequent wastewater reuse and discharge treatment.   During the operation of the aeration tank of a domestic sewage treatment plant, a large amount of foam was generated due to excessive aeration volume and fluctuations in the concentration of organic matter in the influent, which affected the normal operation of sewage treatment. By using silicon-free water treatment defoamers, the generation of foam was successfully suppressed, ensuring the stable operation of the sewage treatment plant.   Silicon-free water treatment defoamers play an important role in water treatment. It can effectively eliminate foam, improve water treatment efficiency and quality, and meet environmental protection requirements. With the continuous advancement of science and technology and the increase in market demand, the performance of silicon-free water treatment defoamers will continue to improve, and the application field will continue to expand.    
    - Mar 20, 2025
  • Future Trends in the Paper Industry and Development Prospects of Defoamers
    Future Trends in the Paper Industry and Development Prospects of Defoamers
    The paper industry is undergoing significant transformations driven by technological innovation, environmental regulations, and evolving market demands. Simultaneously, defoamers, as critical chemical additives in papermaking, are expected to witness substantial advancements aligned with these industry shifts. This article explores the future trajectory of the paper industry and the corresponding opportunities and challenges for defoamers. 1. Future Trends in the Paper Industry 1.1 Green Transition and Sustainable Development The global push toward carbon neutrality is reshaping the paper industry. Companies are increasingly adopting renewable energy sources, such as biomass, to replace fossil fuels and enhancing wastepaper recycling rates to build a circular economy. Notably, non-wood fibers like bamboo pulp, straw, and bagasse are gaining traction as raw materials, reducing reliance on forest resources. However, these alternatives often introduce impurities during pulping, exacerbating foam formation. This trend underscores the need for eco-friendly chemicals, including biodegradable defoamers, to replace traditional volatile organic compound (VOC)-based products. 1.2 Digitalization and Smart Manufacturing Industry 4.0 technologies, including IoT sensors and AI-driven systems, are optimizing production efficiency. Real-time foam monitoring in pulp systems enables automated defoamer dosing, minimizing waste and improving precision. Smart manufacturing further drives demand for high-efficiency defoamers compatible with micro-dosing systems.     1.3 High-Value Functional Paper Products The rise of specialty papers—such as antimicrobial paper, e-label paper, and flexible packaging paper—requires stringent control over production environments. Defoamers must eliminate foam without compromising functional properties like conductivity or barrier performance. Additionally, high-speed paper machines demand defoamers with rapid foam suppression and long-lasting efficacy. 1.4 Regional Market Dynamics Regional disparities are emerging:   Mature markets (e.g., Europe, North America): Strict environmental regulations propel R&D in premium, eco-compliant defoamers.   Emerging markets(e.g., China, India): Surging demand for packaging and hygiene products fuels the need for cost-effective solutions.     2. Development Prospects for Defoamers 2.1 Dominance of Eco-Friendly Formulations Environmental compliance is reshaping defoamer innovation:   Bio-based defoamers: Derived from plant oils or modified silicone-polyether blends, these products offer biodegradability and lower carbon footprints.   Low-VOC/APEO-free solutions: Aligned with regulations like EU REACH and China’s dual carbon goals, such formulations mitigate health and ecological risks.   Water-based defoamers: Replacing solvent-based variants, they integrate seamlessly with eco-friendly coating systems.&nb...
    - Mar 14, 2025
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