How to remove air bubbles from polyurethane material by planetary stirring defoamer

In the production and processing of polyurethane materials, air bubbles are a common challenge. The presence of bubbles not only affects the appearance of the material but can also adversely affect its mechanical properties and final product quality. Therefore, removing air bubbles from polyurethane materials is a critical step in manufacturing high-quality polyurethane products. As an advanced equipment, the planetary stirring defoaming machine is widely used in the defoaming process of polyurethane materials. So, how does the planetary stirring defoamer effectively remove air bubbles from polyurethane materials?
1. The working principle of the planetary stirring defoaer
The planetary stirring deaerator combines two technologies: planetary stirring and vacuum defoaming. In this process, the agitator rotates in a planetary shape and separates the bubbles from the polyurethane material by vigorous agitation. At the same time, the vacuum environment within the equipment helps to accelerate the removal of air bubbles, ensuring that the polyurethane liquid is adequately defoamed.
Planetary mixing: The mixing head of a planetary mixer rotates in a special way, allowing the material to move in three dimensions in the container. This unique mixing method not only improves material uniformity, but also helps air bubbles float out of the polyurethane liquid.
Vacuum Defoaming: In a vacuum environment, the bubbles in the polyurethane liquid will rapidly expand and be expelled. Because at low pressure, the bubbles become more noticeable and therefore easier to remove.
2. Bubble problems in polyurethane materials
Polyurethane materials often introduce bubbles during the production process due to factors such as uneven mixing, raw material quality, and mixing speed. These bubbles not only affect the appearance quality but can also affect the physical properties and longevity of the material. For example, too many air bubbles can lead to problems such as porosity, uneven structure, or reduced strength in polyurethane products. Therefore, how to efficiently remove these bubbles is an important task in the manufacturing process.
3. Advantages of planetary stirring defoamer
Efficient defoaming: The planetary stirring defoamer is able to remove air bubbles from polyurethane liquids in a short time through vacuum stirring technology. Through the combination of planetary stirring and vacuum environment, the bubbles can be released efficiently, avoiding the inefficiency of traditional defoaming methods.
Ensuring material uniformity: Planetary stirring technology ensures the uniformity of all parts of the polyurethane liquid during the mixing process, reducing the generation of air bubbles. At the same time, the molecular structure of polyurethane can also be optimized during the defoaming process, making the quality of the finished material more stable.
Improve product quality: The surface of polyurethane material after removing bubbles is smooth and flat, the structure is more compact, and the physical properties and appearance are improved. This is crucial for the production of high-quality polyurethane products, especially in demanding sectors such as electronics, automotive, and aviation.
Easy operation and high degree of automation: Modern planetary stirring deaerators are often equipped with advanced control systems and automation features. Operators only need to set parameters to complete the defoaming process, eliminating the need for frequent manual intervention, reducing production costs and human error.
4. What polyurethane materials are applicable to?
Planetary stirring defoamers are suitable for many types of polyurethane materials, including but not limited to:
Polyurethane foam
Polyurethane sealant
Polyurethane coatings
Polyurethane elastomer
Whether it is liquid polyurethane or semi-solid polyurethane materials, the planetary stirring defoamer can effectively remove air bubbles from them, thereby ensuring that the quality of the material meets production needs.
5. Planetary stirring defoamer from Shenzhen Subit Technology Co., Ltd
As a professional supplier of planetary stirring defoaming machines, Shenzhen Subit Technology Co., Ltd. offers a variety of models of efficient defoaming equipment to meet the needs of different customers. Our product design focuses on high efficiency, energy saving, and easy operation, aiming to provide more efficient and stable defoaming solutions for the polyurethane industry.
Our planetary stirring deaerators have the following features:
Efficient Defoaming: Combines vacuum defoaming and planetary stirring technology to maximize the removal of air bubbles from polyurethane, ensuring material purity.
Reliability: The use of advanced components and strict quality control ensures that each piece of equipment can operate stably.
Intelligent Control: Equipped with an intelligent touch screen control system, which is convenient for users to operate and monitor the production process.
Wide Applicability: Suitable for defoaming needs of various polyurethane materials, especially in areas with strict high quality requirements.
conclusion
Bubble problems in polyurethane materials not only affect the appearance of the material, but can also have adverse effects on its mechanical properties. As an efficient and precise defoaming equipment, the planetary stirring defoaming machine can effectively remove air bubbles in polyurethane with its unique working principle and advantages, ensuring the stability and improvement of product quality. At Shenzhen Subit Technology Co., Ltd., we are committed to providing advanced defoaming solutions for the polyurethane industry, helping customers improve production efficiency and product quality.