In the case of a particularly large amount of current, the amount of current will be terminated.PP/PE aluminum-plastic film is a kind of plastic film with a perforated structure.In the case of high voltage, especially in the case of penetration, it is easy to cause the battery to spontaneously ignite and explode.

What is the role of high-purity alumina in aluminum-plastic film coating technology?What is the role of high-purity alumina in aluminum-plastic film coating technology introduced by chemical manufacturers?

1. In the case of a particularly large amount of current, the amount of current will be terminated.PP/PE aluminum-plastic film is a kind of plastic film with a perforated structure.In the case of high voltage, especially in the case of penetration, it is easy to cause the battery to spontaneously ignite and explode.High-purity alumina is a special architectural coating. It is used on PP/PE surfaces together with adhesives, which has a very good practical effect on intermediary companies.

This is because high-purity alumina has plate tectonics. Under the action of high voltage, the raw material will also be heated, causing the covered raw material with a high-purity multi-degree plate crystal structure to absorb water and expand, causing it to block the current channel in the lithium-ion battery valve plate, making it unable to work normally.

When the temperature drops and the volume of raw materials becomes smaller, the conductive holes in the protective plastic film will open again.The physical and chemical properties of high-purity alumina have greatly improved its reliability and characteristics, laying the foundation for its safety, reliable charging and discharging, and kinetic energy safety factor.

Second, it has very good thermal conductivity.The equipment has good heat transfer characteristics when the battery temperature is large, and overcomes the heat transfer problem of PP/PE raw materials.

3. High-purity multi-degree alumina is a good halogen-free flame retardant, even around the zero line, it can also play a certain role as a halogen-free flame retardant.Rechargeable battery baffle alumina, made of high-purity multi-degree alumina, can be well halogen-free flame retardant, so it can avoid large-scale fire accidents and explosions.

Chemical plant: The role of alumina metal catalyst

In the early metal catalyst experiments, the important role of the metal catalyst was to load the active metal, so that the active component was loaded as evenly as possible, and then the metal catalyst had sufficient impact toughness and heat resistance.

With the deep level of exploration and the wide application of metal catalysts, scholars have discovered that metal catalysts are not only media, but also modifiers of metal catalysts under certain environments. They also have catalytic reaction characteristics.The selection of metal catalysts is very important for the development of metal catalysts.In what aspects is the role of alumina metal catalyst manifested?In the Dao, I will share it with you today.

Generally, metal catalysts with properties suitable for organic chemistry should be selected according to the specific regulations of chemical changes, such as the impact toughness, relative density, pore structure, particle size distribution and appearance of metal catalysts.

A good metal catalyst should meet the following conditions: ①The appearance and specifications of suitable special materials; ② It has sufficient impact toughness;③ It can give sufficient specific surface and suitable pore structure to the metal catalyst;④It has sufficient organic chemistry and heat resistance;普遍The main sources of raw materials are common, and the manufacturing price is low;⑥It can be matched with active ingredients to make the catalyst have excellent activity;不It does not increase adverse reactions and has low residue composition;提升It improves the temperature resistance of metal catalysts.

Alumina media are often widely used because alumina media have a series of excellent characteristics, including: ①The melting point of alumina is high and the heat resistance is excellent; ②The surface layer of alumina media uses both an acid-base center and an alkaline core, making it have a variety of metal catalyst properties;氧化铝Alumina media has a variety of crystal phases, its crystal phase and pore structure are diverse, and the selectivity is universal.

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