The organic silicon industry chain is composed of raw materials, monomers and intermediates, downstream deep-processed products and end applications. Methyl monomer is currently the most widely used type of monomer, accounting for more than 90% of the total. Therefore, in the industry, metal silicon, monochloromethane, etc. are usually used as raw materials to synthesize crude methyl monomer, and then the target product dimethyl monomer and other by-product monomers with industrial value are obtained through rectification.

The synthesis reaction mechanism of organosilicon monomers is complicated and there are many side reactions. In addition to the main product dimethyl monomer, many by-products are also produced. Some by-products not only have low utilization value, but also have certain difficulties in digestion and treatment, which reduces economic and environmental benefits. Therefore, the improvement of dimethyl methyl selectivity in monomer synthesis is not only an important manifestation of the core competitiveness of an enterprise, but also its production level and plant scale are also an important basis for measuring the technical level of a country's organosilicon industry.

Organosilicon intermediates are mainly various polysiloxanes, such as hydrolyzates, linear bodies, cyclic bodies, etc. obtained from dimethyl monomer through hydrolysis, cracking and rectification, etc., which are the most critical intermediate links in the organosilicon industry chain. . Made of Silicone

Starting from monomers and their intermediates, they are further processed into downstream products such as silicone rubber, silicone oil, and silicone resin through different reactions or adding various fillers and additives.

In 2020, the apparent consumption of organic silicon in my country is 1.25 million tons, of which the largest proportion of consumption is in the fields of construction, electrical industry auxiliaries, electronic appliances, and medical and personal care. It is expected that in the next 5 years, among the many downstream application fields of silicone, construction, electronic appliances, textiles, personal care, etc. will still be the main application fields of silicone materials; photovoltaic, new energy and other energy-saving and environmental protection industries Demand will maintain medium and high-speed growth; ultra-high voltage and ultra-high voltage power grid construction, 3D printing, smart wearable devices and other emerging fields will be one of the future market growth points and breakthrough points of silicone materials; It is irreplaceable, mainly special silicone materials with high reliability, high stability and high performance. Although the amount is not large, there are many types and high technical requirements, and the future development prospects are optimistic.