C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
403/37
C08J 9/14 (2006.01) C07C 17/00 (2006.01)
Patent
CA 1330685
THE USE OF 1,1,1,4,4,4-HEXAFLUOROBUTANE AS A BLOW AND INSULATING GAS FOR THE PRODUCTION OF FOAM PLASTICS ABSTRACT OF THE DISCLOSURE This invention relates to an improved method of preparing closed cell foams using 1,1,1,4,4,4-hexafluorobutane as a blowing agent and insulating gas in the production of such foams, including isocyanate-based foams such as polyurethane foams and polyisocyanurate foams.
600696
Bielefeldt Dietmar
Lamberts Wilhelm
Marhold Albrecht
Negele Michael
Sommerfeld Klaus-Dieter
Aktiengesellschaft Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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