C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01) C11D 7/50 (2006.01) C11D 7/28 (2006.01)
Patent
CA 2171513
Azeotropic compositions made up of from about 64 to about 80% by weight of 1,1,1,4,4,4-hexafluorobutane and from about 20 to about 36% by weight of 2-methyl butane have been found to be particularly useful as blowing agents for the production of polyurethane foams.
Boonstra Eric F.
Doerge Herman P.
Kane Scott A.
Werner Joachim
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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