Noncombustible pre-mixture
AssigneeSolvay Fluor GmbH
InventorsLothar Zipfel, Karsten Boerner, Dierk-Ingolf Recke
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Abstract
A non-combustible polyether polyol and/or polyester polyol pre-mixture for producing a foamed product, expecially a polyurethane foam material, in which the pre-mixture comprises polyol, more than 4% by weight of a blowing agent mixture comprising HFC 365mfc and at least one additional fluorohydrocarbon blowing agent, and a halogenated alkane.
Claims8
A noncombustible pre-mixture for producing a foam product, said pre-mixture comprising at least one polyether polyol and/or polyester polyol and at least one blowing agent, wherein said pre-mixture further comprises a halogenated alkane sufficient to increase the flashpoint and render the pre-mixture non-combustible.
Dependencies are inferred from the claim text.