Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or partly halogenated hydrocarbons that contain carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F), produced as volatile derivatives of methane, ethane, and propane. The most common example is dichlorodifluoromethane (R-12).

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2025年1月19日 · 在众多制冷剂中，氯氟烃（cfc）、氢氟烃（hcfc）和氢氟碳化物（hfc）等尤为常见。 这些制冷剂不仅各有其独特的化学式，还在应用中展现出不同的物理和化学特性。

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R22 是一种突出的 HCFC 制冷剂，因为其适用性极广。 但是，由于 R22 可能会对臭氧产生轻微的破坏作用，因此也被列入了淘汰计划。 发达国家已经完成了对 R22 的逐步淘汰，而发展中国家仍使用 R22 作为主要的制冷剂。 这项淘汰计划已经展开，并且在 2015 年将继续削减 10%。 发达国家逐步淘汰 R22 引发了我们对以下问题进行思考： 什么是更佳替代制冷剂？ 发达国家早在 90 年代就已经开始引入 HFC，而发展中国家目前仍然还在面临进退两难的抉择。 一方面，他们可 …

2021年11月10日 · 代替フロンとして当時の主流になったhcfc（代表としてr22など）も京都議定書で削減対象とされ、2020年までの全廃が決まり、生産と輸入が終了しました。ただし、装置の内部や市場に現在もあるcfc冷媒、hcfc冷媒は、再生して利用することが出来ます。

HCFCs, or Hydrochloroflourocarbons, are the close neighbor of CFCs. The main difference between the two types of refrigerant is that HCFCs contain one additional hydrogen atom compared to CFCs. Both CFCs and HCFCs were widely used in the twentieth century as refrigerants, propellants, and solvents.

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