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Oct 19, 2021
In the production of polyether modified silicone oil, various silicone surfactants with different properties can be obtained by modifying the number of silicone oil chain links or changing the ratio of polyether Eo and Po and changing the number of chain links and end groups. To meet the needs of a variety of industries. Good leveling, suitable for adding to a variety of resins (polyurethane resins, paint resins, plastic resins, etc.), which can well improve the intermolecular stress of these resins, overcome the shortcomings of these resins, and obtain new The performance of the application in other new areas. Compared with polydimethylsiloxane, this product can be miscible with water in any ratio, miscible with polar organic solvents such as alcohol, DMF, ether, ester, etc., and partially or completely compatible with non-polar solvents such as toluene and alkanes. Melt. It is very convenient to use.
Polyether modified silicone oil market scale
According to the "Thirteenth Five-Year Development Plan for China's Organic Silicone Industry", China's apparent consumption of siloxane is expected to reach 1.45 million tons in 2020, with an average annual growth rate of about 9% during the "13th Five-Year Plan" period; silicone rubber, silicone oil , Silicone resin production reached 2.1 million tons, 400,000 tons and 30,000 tons (Note: unified statistical caliber, the above results are converted to 100% siloxane (organic silicon intermediate) data), respectively compared with 2015 output Increases by 50%, 67% and 88%. Construction, textiles, and household appliances are the traditional application areas of silicone deep-processed products, accounting for about half of the total siloxane consumption. It will remain the main application area of silicone materials for a long period of time in the future, and will remain A certain growth rate.
Analysis of the development trend and status quo of the polyether modified silicone oil industry in 2020
During the "Twelfth Five-Year Plan" period, the total production capacity of China's two main organic silicon deep-processing products, silicone rubber and silicone oil, increased from 940,000 tons to 2.1 million tons (Note: for unified statistics, the above results are equivalent to 100% siloxane ( (Data after organosilicon intermediates)), with an average annual growth rate of 17.44%. As of the end of 2015, the average capacity utilization rate was about 79%, and the annual output was about 1.64 million tons. Data after oxane (organosilicon intermediate)).
At present, most of the domestic silicone products are consumed in China. Deep-processed products of silicone include silicone oil, silicone rubber, silicone resin and silane coupling agent, of which the demand for silicone rubber and silane coupling agent accounts for 87%.
Silicone surfactants are a type of hydrophobic main chain of polydimethylsiloxane, which is formed by linking one or more organic polar groups (such as polyether chains, carboxyl groups, etc.) in the middle or terminal positions of the hydrophobic main chain. The surface active agent. Silicone surfactants not only have the universal properties of ordinary surfactants, but also have high temperature resistance, compatibility, physiological inertness, non-toxicity, wetting properties, and energy due to the Si element and organic groups contained in the molecular structure. It has the characteristics of reducing surface tension, defoaming and stabilizing foam, and is widely used in industrial production.
Silicone oil refers to a linear polysiloxane product that maintains a liquid state at room temperature. According to the different chemical structure, silicone oil can be divided into methyl silicone oil and modified silicone oil. Methyl silicone oil is the most traditional silicone oil product; modified silicone oil replaces some of the methyl groups in methyl silicone oil with a certain organic group, thereby improving certain properties of silicone oil and adapting to various uses. Modified silicone oil is usually Has a higher economic added value. In 2017, the market scale of polyether modified silicone oil in China was 3.45 billion yuan.