Hexafluorobutadiene has great room for development in the electronic specialty gas market and my country’s production strength needs to be improved

Hexafluorobutadiene, also known as perfluorobutadiene and hexafluoro-1,3-butadiene, has a chemical formula of C4F6. It appears as a colorless, odorless gas and can be liquefied under pressure. It is toxic and flammable. It is highly toxic and may explode when mixed with air to a certain concentration. Hexafluorobutadiene is mainly used as a synthetic raw material and electronic special gas in chemical synthesis, electronic etching and other fields.

The preparation process of hexafluorobutadiene mainly includes: using chloroform or trichlorethylene as raw materials to prepare the octafluorodibromobutane/octafluorodiiodobutane intermediate, and then using metal zinc and magnesium as dechlorination agents , hexafluorobutadiene is obtained through reaction; using tetrachloroethylene as raw material, first prepare the hexafluorotetrachlorobutane intermediate, and then react with hexafluorotetrachlorobutane as the material to obtain hexafluorobutadiene. These are currently common methods for industrial production of hexafluorobutadiene and have good advantages in terms of production cost, production process, safety, and environmental protection.

According to the “China Hexafluorobutadiene Industry Market Supply and Demand Status and Development Trend Forecast Report 2022-2026” released by the Industrial Research Center It shows that from the perspective of application fields, in terms of chemical synthesis, hexafluorobutadiene can be used as a monomer for polymer synthesis. However, due to the poor performance of the products obtained by polymerization, hexafluorobutadiene has little room for development in this field; in In terms of electronic etching, hexafluorobutadiene can be used as an etching gas. It has the advantages of high selectivity, high etching precision, high etching efficiency, low environmental pollution, etc., and has great development potential. Therefore, this field has become the main market for hexafluorobutadiene. downstream market.

my country’s semiconductor, display panel, photovoltaic cell and other industries are developing rapidly, and the market demand for electronic specialties is strong. In 2021, my country’s electronic special gas market will reach about 16.7 billion yuan, making it the world’s largest demand market, with demand accounting for about 50%. Fluorine-containing electronic special gas is an important component of electronic special gas and can be used for cleaning, etching, etc., and electronic grade hexafluorobutadiene is one of the fluorine-containing electronic special gas products.

In overseas markets, the main manufacturers of hexafluorobutadiene include Japan’s Taiyo Nippon Sanso Corporation, Japan’s Showa Denko, South Korea’s SK Material, South Korea’s Hooseong, Germany’s Merck Group, Germany’s Linde Gas, France’s Air Liquide, and Belgium’s Sol Wei, etc.; in the Chinese market, the main hexafluorobutadiene manufacturers include Beijing Yuji Technology Development Co., Ltd., Tianjin Luling Gas Co., Ltd., CSSC (Handan) Perry Special Gas Co., Ltd., and China Juxin Technology Co., Ltd. Co., Ltd., Zhejiang Borui Electronic Technology Co., Ltd., etc.

my country’s hexafluorobutadiene production capacity is still expanding. The first phase of the Sanaifu (Shaowu) Fluorine Chemical Industry Base constructed by Fujian Huayi Sanaifu Fluoroyou New Materials Co., Ltd. in Shaowu Jintang Industrial Park, Fujian Province includes 50t/a hexafluorobutadiene plant. Industry analysts said that my country’s hexafluorobutadiene production capacity is constantly increasing, but high-end electronic grade hexafluorobutadiene is only There are a few companies such as Beijing Yuji Technology Development Co., Ltd. that have mass production capabilities and are highly dependent on external market demand. The localization process will need to be accelerated in the future.