Details

Autor(en) / Beteiligte

• Lamberts, W.M.

Titel

1,1,1,4,4,4 Hexafluorobutane, a New Non-Ozone-Depleting Blowing Agent for Rigid PUR Foams

Ist Teil von

• Journal of cellular plastics, 1992, Vol.28 (6), p.584-595

Ort / Verlag

Thousand Oaks, CA: Sage Publications

Erscheinungsjahr

1992

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• HCFCs are widely accepted to be technically promissing replacements for CFCs in rigid polyurethane foams, especially for appliance applications. Despite this, political pressure is rising to limit their use to a transition period. One of the reasons is their residual ozone depletion potential. In search for long term substitutes for both CFCs and HCFCs, the author identified and developed a new blowing agent and insulation gas: 1,1,1,4,4,4 hexafluorobutane (HFC-356). According to the regulations on chemical substances worldwide, hexafluorobutane is a new chemical substance and requires notification before commercialization. Ecological and toxicological testing is in the progress, but not yet completed. Results from acute and subacute inhalation toxicity testing are acceptable and encourage further development of this product.