With effect from 1 January 2017, the use of GWP-150 refrigerants is prohibited for all new vehicles produced and sold in Europe. It can be seen that the phase-out of Refrigerant R134a (GWP-1300), which is widely used as refrigerant for automotive air conditioning, will become an inevitable trend.
DuPont and Honeywell introduced the fourth generation of refrigerants Refrigerant R1234yf and R1234ze are considered to be the new generation of environmentally friendly refrigerants to replace the R134a, so the Refrigerant gas R1234yf will be the first to be used in automotive air conditioning. Air conditioning refrigeration market experts introduced: Because the molecule does not contain chlorine atoms, Green Refrigerant 1234yf ODP is 0, because HFO1234yf has a life span of only 11 days in the atmosphere, GWP is 4, and the atmospheric decomposition product is the same as HFO134a, HFO1234yf's effect on the atmosphere environment can be ignored, Much smaller than HFC134a. Safety HFO1234yf no flash point, self-ignition point 405 degrees C, for weak flammability, Car refrigerant R1234yf flammability is much smaller than the currently known several combustible refrigerants, HFO1234yf belongs to the low toxic chemicals, it belongs to the ASHRAE toxicclassification classification Of Class A,
However, inhalation can cause drowsiness and inattention, dizziness, and discomfort in the eyes, skin and respiratory system. After years of rigorous testing, HFO1234yf has been recognized by many automakers in the United States, Europe, Japan and South Korea, and is ready to commercialize it.
This year Honeywell has begun testing HFO1234yf in partnership with major Chinese carmakers. As early as June 2008, SAE held a conference on automotive air conditioning refrigerant alternatives in Scodell, Arizona, Honeywell and DuPont jointly developed HFO-1234yf refrigerant is recognized as the most suitable for the application of automotive air conditioning refrigerant replacement of the next generation of refrigerants, In the future, the global automotive air conditioning refrigerant market will occupy a monopoly position. On February 6, 2009, the U.S. Environmental Protection Agency (EPA) and the American Automobile Air Conditioning Association (MACS) jointly organized the HFO1234yf Commercialization Conference in Dallas, USA, which once again demonstrated the status of HFO1234yf in automotive air conditioning refrigerants.
On August 6, 2009, Honeywell announced in New Jersey that Japanese regulators had approved HFO1234yf for export to And use in Japan, marking significant progress in the global application of new refrigerants. In the hFO1234yf research and development, Arkema is not far behind, has launched a new product industrialization program, HFO1234yf as a fourth-generation refrigerant to replace HFC134a for automotive air conditioning systems. At present, Acoma has produced a laboratory-scale hFO1234yf, and plans to invest in the production of HFO1234yf in Europe. As the EU's deadline for banning the use of GWP refrigerants above 150 is getting closer, HFO1234yf as the main alternative to HFC134a refrigerants has also attracted the attention of companies such as Honeywell and DuPont, who have invested a lot of resources in development and filed a number of patents.
There are a large number of patent cooperation treaty (PCT) applications, involving reaction synthesis, purification recovery and catalysts, reflecting the broad application prospects of HFO1234yf