Improvement of hydrophilicity of carbon powder - Ion hydrophilization device for powder treatment
STM-1000
This is a device that improves the hydrophilicity of hydrophobic substances (powders) like carbon particles by applying a strong electric field with a constant voltage for a certain period of time.
Ion Hydrophilization Device Rich Ion Hydolofilitor Inside the device, there is a chamber insulated from the outside, where the target powder is placed in a bag and allowed to sit. A strong electric field is created only within this chamber. The target powder is subjected to a static treatment in the chamber with the strong electric field for 24 hours. The strong electric field passes through the bag and causes a distortion in the molecular electronic arrangement of the target powder inside. By continuing this phenomenon for a certain period, a slight distortion can be induced in the molecular structure of the entire substance. This distortion makes it easier for the target powder to interact with water molecules and liquid molecules. Since the changes occur at the molecular level, hydrophilicity can be enhanced without altering the physical properties.
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basic information
When the object is a conductor, the movement of electrons occurs under a strong electric field. When the object is an insulator, the electrons within the insulator show movement towards the charged body within the range allowed by the atomic nucleus. In both cases, a slight polarization in the molecular structure can be induced. The polarization of the molecules demonstrates an effect that enhances the hydrophilicity of the object. The chamber capacity for introducing the object is approximately 7 liters, and the entire chamber will be in a strong electric field environment. The amount of powder depends on the physical properties of the material, but about 2-4 kg of powder can be added, allowing for processing all at once. Since the molecules of the object change gradually, a certain amount of time is required, necessitating a 24-hour static treatment within the chamber.
Price range
P5
Delivery Time
Applications/Examples of results
● The improvement of hydrophilicity in powder helps to resolve issues of insolubility caused by clumping during the process of wetting the target powder in a solution. ○ Improvement of the process for adding powder in small amounts ○ Enhanced workability of hydrophilization on the powder surface ● When dispersing nano-sized particles and additive particles, the pre-dispersion time in mixers and similar equipment can be shortened. ● In the dispersion of pigment particles, the wettability at the solid-liquid interface is improved. ● The wettability of conductive particles in solution dispersion is enhanced. ● It can be utilized for the uniform dispersion of active materials and carbon materials used in lithium secondary batteries in solvents.
Detailed information
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The upper part of the device can be opened and closed, and a chamber is installed inside. The object is placed inside this chamber and is allowed to sit for a certain period of time. Approximate dimensions: W600 x H500 x D500 Chamber capacity: approximately 7L The object is placed inside this chamber and is allowed to sit for a certain period of time.
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The powdered material placed in the bag is introduced into the device and allowed to stand. A strong special voltage electric field is created only within this chamber. The powdered material is treated in a static state within the strong voltage electric field for 24 hours. The strong voltage electric field passes through the bag, causing a distortion in the molecular electronic arrangement of the internal powdered material. No large power is required.
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We conducted a comparative analysis by measuring the untreated powder and the powder processed for 24 hours with STR-1000 using a surface tensiometer set to zero. In the penetration wetting of the powder, the liquid spreads according to the Washburn equation over a constant area. The untreated powder and the powder treated with the ion hydrophilization device under the same conditions were filled into a dedicated measurement column under appropriate identical conditions, and the penetration wetting rate was measured. There was a significant difference in the penetration rate.
Company information
DKSH is a member of the Swiss global company "DKSH Group." It provides comprehensive services and solutions across the entire value chain, combining procurement, marketing, sales, distribution, and after-sales service, through its three business divisions: consumer goods, production materials, and technology, with a long-term perspective.
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