The advantages of silicone are mainly reflected in the following aspects:
Temperature resistance: Silicone products have a silicon-oxygen bond (Si-O) as the main chain structure and have high thermal stability. Compared with the traditional carbon-carbon bond (C-C), the bond energy of silicon-oxygen bonds is higher, so silicone can remain stable at high temperatures and will not decompose or degrade. At the same time, silicone also has good low-temperature resistance and can be used in a wide temperature range.
Weather resistance: Silicone products have good resistance to environmental factors such as ultraviolet rays and ozone, and are not easily aged by light, heat and climatic conditions. Its main chain is -Si-O-, and there is no double bond, so it is not easily decomposed by ultraviolet light and ozone. This makes silicone perform well in outdoor applications and its service life can reach decades.
Electrical insulation performance: Silicone has good electrical insulation performance, low dielectric loss, excellent voltage resistance, arc resistance, corona resistance and other properties, and is suitable for wire and cable insulation layers, electronic packaging materials and electrical equipment parts.
Chemical stability: Silicone exhibits good chemical inertness to many acids, bases and oxidants, and is not easy to react with most chemicals. By changing the side chain structure and cross-linking method, silicone polymer materials with different performance characteristics can be synthesized to meet various specific application requirements.
Physiological inertness: Many silicone materials are harmless to human tissues and have good biocompatibility. They are widely used in medical fields such as artificial heart valves, contact lenses, and implant coatings. They are very resistant to biological aging, have no rejection reaction with animal bodies, and have good anticoagulant properties.
Low surface tension and low surface energy: Silicone has a flexible main chain, weak intermolecular forces, low surface tension, and low surface energy, which allows them to easily wet various substrates and form thin and uniform film layers. They are widely used in coatings, adhesives, lubricants, defoamers, and other fields.
Other properties: Silicone also has the characteristics of being flame retardant, hydrophobic, non-toxic and odorless, and can remain stable in harsh environments such as strong acids, strong bases, and organic solvents.