Gelled propellants are produced from liquid propellants with the addition of gelling agents. They are solid at rest, for example in a tank, and become flowable under the influence of shear stress, as ...

The chemicals are also used as aerosol propellants, fire retardants and in the manufacture of foamed plastics. Hydrofluoroolefins (HFOs), which react rapidly in the lower atmosphere, have emerged ...