R142b has great development potential in the field of polyvinylidene fluoride. Companies with a complete industrial chain layout have more prospects.

R142b, chemical name is 1,1-difluoro-1-chloroethane, also known as HCFC-142b, difluorochloroethane, molecular formula is C2H3ClF2, appearance is colorless gas, appearance is colorless after pressurization Transparent liquid with slightly aromatic odor and low toxicity. R142b has stable chemical properties, is insoluble in water, and is soluble in some organic solvents. It does not react with metals, acids, and oxidants under normal temperatures and pressures. It is flammable. There is an explosion hazard when mixed with air. The combustion decomposition products are toxic hydrogen fluoride and hydrogen chloride gases.

R142b can be used as refrigerant, foaming agent, aviation propellant, organic synthetic raw material, etc. Refrigerant is one of the important application fields of R142b. R142b belongs to the second generation hydrochlorofluorocarbons (HCFCs) refrigerant, which has high ODP (ozone depletion potential) and GWP (global warming potential). It is a greenhouse gas and can cause damage to the ozone layer. It is currently being accelerated. disuse. In my country’s refrigerant market in 2020, third-generation hydrofluorocarbons (HFCs) refrigerants are the mainstream products, but HCFCs refrigerants are still the most widely used category. R142b is one of the main HCFCs refrigerants, with demand second only to R22 and R141b.

Organic synthetic raw materials are another important application field of R142b. R142b can be used to synthesize polyvinylidene fluoride (PVDF). Vinylidene fluoride (VDF) can be obtained from R142b through cracking, HCl removal, dehydration, distillation and other processes, and polyvinylidene fluoride can be obtained by polymerizing vinylidene fluoride. Polyvinylidene fluoride is an engineering plastic with excellent mechanical properties, high temperature resistance, corrosion resistance, aging resistance and good processing performance. It can be used in a wide range of downstream applications, and the demand continues to grow, driving the consumption of R142b to continue to rise.

According to the “2021-2025 R142b (1,1-Difluoro-1-chloroethane) Industry In-depth Market Research and Investment Strategy Suggestions Report” released by the Industrial Research Center 》 It shows that since August 2021, due to multiple factors, the refrigerant market has been in short supply and prices have risen overall. The price of R142b has also continued to rise, with the highest quotation reaching 180,000 yuan/ton. By mid-November, market supply and demand had stabilized and refrigerant prices began to fall. However, R142b quotations remained high and demand was strong, mainly due to the strong market sentiment of polyvinylidene fluoride.

The main R142b manufacturers in my country are: Shandong Dongyue, with a production capacity of 30,000 tons/year; Juhua Co., Ltd., with a production capacity of 20,000 tons/year; Sanmei Co., Ltd., with a production capacity of 4,176 tons/year; Lianchuang Co., Ltd., with a production capacity of 20,000 tons/year; Sanaifu, with a production capacity of 3.85 tons/year, etc. Due to the poor environmental protection of HCFCs refrigerants, the Chinese government is promoting its accelerated withdrawal, including R142b. The government issues production quotas every year, and the total quotas continue to decline. In the field of refrigerants, R142b will eventually be replaced by HFCs refrigerants, and the market space is shrinking day by day.

Industry analysts said that in the field of polyvinylidene fluoride, R142b plays an important role as a raw material, but in order to protect the environment, R142b has added new production capacity There must be supporting polyvinylidene fluoride production capacity, and independent R142b production capacity is no longer allowed to be constructed. Therefore, in the future, enterprises with a well-established R142b-polyvinylidene fluoride industry chain in my country will have greater room for development. Representative similar enterprises are mainly Shandong Dongyue, Juhua Co., Ltd., Sanaifu, etc.