C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01)
Patent
CA 2474873
The invention relates to advantageous blowing agent mixtures comprising HFC- 365mfc and HFC-227 in addition to 1,1,1,3,3-pentafluoropropane and/or 1,1,2- tetrafluoroethane. The invention also relates to non-combustible polyetherpolyol and/or polyesterpolyol premixes for producing foam products, especially PU foam.
La présente invention concerne des mélanges utiles d'agents d'expansion comprenant HFC-365mfc et HFC-227ea, ainsi que du 1,1,1,3,3-pentafluoropropane et/ou du 1,1,2-tétrafluoroéhane. L'invention a également pour objet des prémélanges de polyétherpolyol et/ou de polyesterpolyol non combustibles utilisés pour produire des produits expansés, notamment des mousses PU.
Boerner Karsten
Recke Dierk-Ingolf
Zipfel Lothar
Robic
Solvay Fluor Und Derivate Gmbh
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