Properties of organic silicon-Iota

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Service > Properties of organic silicon

Properties of organic silicon

1. Temperature characteristics

Silicone products based on silicon - oxygen (Si-O) bond of the main chain structure, C-C bond energy of 82.6 kcal / mol, the bond energy Si-O bond is an organic silicon 121 kcal / mole, so the high thermal stability of silicone products, high temperature (or radiation) molecular bond is not broken, do not break down. Silicone not only temperature, but also resistant to low temperatures and can be used over a wide temperature range. Whether it is physical or chemical properties and mechanical properties change with temperature is very small.

2. Weatherability

Main chain of organic silicon products for -Si-O-, unparalleled key exists, it is not easy being decomposed ultraviolet light and ozone. Better than other silicone polymer material and the thermal stability and radiation resistance, weathering capabilities. Silicone natural environment life of up to several decades.

3. Electrical insulation properties

Silicone products have good electrical insulation properties, dielectric loss, resistance, voltage, resistance, arc resistance, corona, volume resistivity and surface resistivity of the top in the insulating material etc., and their electrical properties affected by temperature and frequency little effect. Therefore, they are in a stable electrically insulating material, are widely used in electronic and electrical industry. Silicone addition has excellent heat resistance, but also has excellent water repellency, the electrical equipment which is used under wet conditions with a high guarantee of reliability.

4. Physiologically inert

The polysiloxane compound is known to the least one active compound. They are very resistant to biological aging, and animal body without rejection, and has better anti-clotting properties.

5. Low surface tension and low surface energy

Main chain of the silicone is very soft, the force between molecules is much weaker than the hydrocarbon, therefore, less than the viscosity of the hydrocarbons with a molecular weight, surface tension is weak, the surface energy is small, the film forming ability. This low surface tension and low surface energy is the main reason for many applications it gets: the excellent performance of hydrophobic, anti-foaming, foam stabilizers, anti-sticking, lubrication, polishing and so on.

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