Phenol ketone products

Plastic rubber

Current Location： Home > News > Chemical Knowledge > Properties and uses of hexamethyldisiloxane

[Chemical Knowledge]：Properties and uses of hexamethyldisiloxane

Read： 913 Time：20months ago Source：Transform the World with Simplicity

Hexamethyldisiloxane (HMDSO) is a kind of organic silicon compound with unique chemical and physical properties, which has a wide range of applications in the field of chemical production raw materials. This article will detail the properties and uses of hexamethyldisiloxane.

1. the nature of hexamethyldisiloxane

1. chemical properties
hexamethyldisiloxane molecules contain silicon, oxygen and carbon elements, with stable silicon oxygen bonds and methyl groups. This makes HMDSO have good chemical stability and oxidation resistance, and can exist stably under high temperature, high pressure and extreme pH conditions. In addition, HMDSO also has low surface tension and high viscosity, making it play an important role in many chemical reactions.

2. Physical Properties
Hexamethyldisiloxane is a colorless and transparent liquid with low volatility and high boiling point. Its density is smaller than water, insoluble in water, but can be miscible with many organic solvents. These physical properties make HMDSO widely used in chemical production.

2. The use of hexamethyldisiloxane

1. Surfactant
hexamethyldisiloxane can be used as a surfactant to reduce the surface tension of liquids and improve wettability and dispersibility. In the field of coatings, inks, adhesives, etc., HMDSO can improve the leveling and gloss of the product and improve the appearance of the coating film.

2. defoamer
Since HMDSO has a low surface tension, it can spread on the surface of the foam, destroy the stability of the foam, and play a role in defoaming. In the chemical, pharmaceutical, food and other fields, HMDSO can be used as a defoamer to effectively eliminate foam in the production process.

3. water-resistant agent
hexamethyldisiloxane has good hydrophobicity, which can be used as water-resistant agent in the surface treatment of textiles, paper and other materials to improve the waterproof performance of materials.

4. Sealants and Adhesives
HMDSO has a higher viscosity and can be used as a sealant and adhesive. In the fields of construction engineering and automobile manufacturing, HMDSO can improve the sealing and bonding effect and extend the service life of materials.

5. Lubricant
Hexamethyldisiloxane has a low coefficient of friction and good high temperature resistance, can be used as a lubricant. Under the working conditions of high temperature and high load, HMDSO can effectively reduce the friction coefficient and extend the service life of the equipment.

6. Other application
In addition to the above several uses, hexamethyldisiloxane can also be used as anti-fogging agent, antistatic agent, release agent and other applications in various fields. At the same time, HMDSO can also be used as a raw material for the synthesis of other organic silicon compounds, which has a wide range of applications.

In short, hexamethyldisiloxane, as an important chemical raw material, has unique chemical and physical properties and is widely used in various fields. With the continuous progress of science and technology and the continuous expansion of application fields, the application prospect of HMDSO will be broader.

Previous： The nature and use of high hydrogen silicone oil

Next： Properties and Uses of Trimethylchlorosilane

News Categories