Organosilicon, also known as organosilicon compounds, refers to compounds containing Si-C bonds and at least one organic group directly connected to silicon atoms. Compounds that connect organic groups to silicon atoms through oxygen, sulfur, nitrogen, etc. are also commonly referred to as organosilicon compounds. Among them, polydimethylsiloxane composed of silicon oxygen bonds (- Si-O-Si -) as the skeleton is the most numerous, deeply studied, and widely used type of organosilicon compound, accounting for more than 90% of the total dosage.
Due to its unique structure, organosilicon combines the properties of both inorganic and organic materials, with basic properties such as low surface tension, low viscosity temperature coefficient, high compressibility, and high gas permeability. It also has excellent characteristics such as high and low temperature resistance, electrical insulation, oxidation stability, weather resistance, flame retardancy, hydrophobicity, corrosion resistance, non-toxic and odorless properties, and physiological inertness. It is widely used in industries such as aerospace, electronics and electrical, construction, transportation, chemical, textile, food, light industry, medical, etc. Among them, organosilicon is mainly used in sealing, bonding, lubrication, coating, surface activity, demolding, defoaming, foam suppression, waterproofing, moisture-proof, inert filling, etc. With the continuous growth of the quantity and variety of organosilicon, the application fields are constantly expanding, forming a unique and important product system in the field of chemical new materials. Many varieties are irreplaceable and essential by other chemicals.
The metabolism of organisms also requires the participation of organosilicon, which usually exists in the form of silicate esters or silicon ethers [3]. Organosilicon plays an important role in various bodily functions and is directly related to the absorption of minerals. The human body has an average of about seven grams of silicon, which far exceeds other important minerals such as iron. Iron and silicon are essential elements for the human body and play a crucial role in maintaining normal metabolism.
Organosilicon materials can be divided into silane coupling agent (organosilicon chemical reagent), bioactive organosilicon, silicone oil (silicone grease, silicone lotion, silicone surfactant), high-temperature vulcanized silicone rubber, liquid silicone rubber, silicone resin, composite, etc. according to their different forms.
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