Side Groups of Silicone Oil and Their Effects

author: Leo
2026-04-17
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The side groups of silicone oil directly determine its physical and chemical properties and application fields. By introducing different substituents, various silicone oil products with diverse performances can be prepared.
  • Methyl group: The most common basic side group, with stable Si-CH₃ bonds, serving as the core structure of mainstream silicone oils.
  • Vinyl group: Provides reactive sites, acting as crosslinking points for curing and modification.
  • Phenyl group: Improves thermal stability, radiation resistance and friction properties, suitable for high-temperature environments.
  • Trifluoropropyl group: Enhances oil resistance, ideal for oil-contacting conditions.
  • Polyether group: Imparts surface activity and hydrophilicity, overcoming the hydrophobicity of conventional silicone oil for emulsification and surface modification.