hcfc

Thân thiện

A technician checks the pressure of an HCFC refrigerant in a cooling system.

Definition

Noun: - A type of fluorocarbon compound used as a refrigerant and aerosol propellant, developed as a less ozone-depleting alternative to chlorofluorocarbons (CFCs).

Usage

• Noun: Refers to the chemical compound itself or its commercial applications.
  • The company phased out CFCs and switched to an HCFC refrigerant.
  • Regulations limit the production of HCFCs due to their environmental impact.

Advanced Usage

• Technical/Environmental Context: HCFCs are often discussed in scientific, industrial, and policy contexts concerning ozone layer protection and climate change.
  • The Montreal Protocol mandated a gradual phase-out of HCFCs.

Variants and Related Words

• HCFC-22: A common specific type of HCFC (chlorodifluoromethane).
• Hydrochlorofluorocarbon: The full chemical name, often used interchangeably with the acronym HCFC.

Synonyms

• Transitional substance (in the context of the Montreal Protocol, as HCFCs were interim replacements for CFCs).
• Less ozone-depleting substance (comparative description).

Notes on Meaning

While HCFCs are less destructive to the ozone layer than CFCs, they are still potent greenhouse gases and are themselves being phased out under international agreements in favor of substances with zero ozone-depletion potential.

Học thuật

Noun

1. a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere

Từ đồng nghĩa

• hydrochlorofluorocarbon
• HCFC