What is silicone? Silicone product classification.-Iota

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Service > What is silicone? Silicone product classification.

What is silicone? Silicone product classification.

Organosilicon compounds are those containing Si-O bond, and at least one organic group is a compound directly bonded to silicon atoms, the compounds often customary to those obtained by an oxygen, sulfur, nitrogen and other organic groups connected to the silicon atom also as an organic silicon compound. Among them, the silicon-oxygen bond (-Si-0-Si-) as a skeleton composed of silicone, is the largest number of organic silicon compounds, study the deepest, the most widely used class of more than 90% of the total amount of .
Silicone material having a unique structure:
(1) on the Si atoms in a high energy sufficient methyl polysiloxane backbone shielding;
(2) CH polarity, so that the interaction is very weak intermolecular forces;
(3) Si-O bond length is longer, Si-O-Si bond angle is large.
Covalent bond (4) Si-O bond is an ionic bond with a 50% characterized by (a covalent bond with a directional, non-directional ionic bond).
Due to the unique structure of organic silicon, both the performance of inorganic materials and organic materials with low surface tension, viscosity-temperature coefficient, high compression, gas permeability higher basic properties, and has high temperature resistance, electrical insulation, resistance to oxidation stability resistance, weather resistance, flame retardant, water-repellent, corrosion-resistant, non-toxic, odorless and physiologically inert and other outstanding features, widely used in aerospace, electrical and electronics, construction, transport, chemicals, textiles, food, light industry, medical and other industries, where the silicone is mainly used in sealing, bonding, lubrication, coating, surface activity, stripping, defoaming, waterproof, moisture, inert fillers and the like. With the continued growth in the number and variety of organic silicon, applications continue to expand, the formation of new chemical materials sector important unique product system, many varieties can not be replaced by other chemicals, but essential.
Silicone materials according to their different forms, can be divided into: a silane coupling agent (silicone chemical reagents), silicone oil (grease, silicone emulsions, silicone surfactant), high-temperature vulcanized silicone rubber, liquid silicone rubber, silicone

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