C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
402/137, 400/550
C07C 323/43 (2006.01) C08G 18/32 (2006.01) C08G 59/66 (2006.01)
Patent
CA 1284508
ABSTRACT OF THE DISCLOSURE A process for the production of oligourethanes con- taining terminal mercapto groups in which the adduct of propylene oxide with trimethylol propane and/or glycerol and/or trimethylol ethane as alkylene oxide adduct con- taining OH-groups is reacted with isomeric tolylene diiso- cyanates in excess, based on hydroxyl groups, and the isocyanate groups are further reacted with mercap- toethanol. The adduct of propylene oxide with the tri- functional alcohol is intended to have a calculated molecular weight of from about 1800 to about 6000 and pre- ferably of from about 2000 to about 5000, the reaction products being used for the production of sealing com- pounds hardening by oxidation or as an additive for crosslinkable epoxy resin systems.
527489
Emmerling Winfried
Gonzalez Rene-Andres A.
Neitzer Klaus
Podola Tore
Borden Ladner Gervais Llp
Emmerling Winfried
Gonzalez Rene-Andres A.
Henkel Kommanditgesellschaft Auf Aktien
Neitzer Klaus
LandOfFree
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