Liquid polyisocyanate adduct mixtures possessing good...

Details Liquid polyisocyanate adduct mixtures possessing good... Liquid polyisocyanate adduct mixtures possessing good...

C - Chemistry, Metallurgy

08

G

400/7416, 260/45

C08G 18/78 (2006.01) C07C 127/24 (1980.01)

Patent

CA 1177842

ABSTRACT OF THE DISCLOSURE The present invention relates to a polyisocyanate adduct mixture which at a 100% solids concentration has an isocyanate content of about 4 to 19 weight percent and is liquid at room temperature. The adduct mixture is prepared from a biuret-containing polyisocyanate and a monohydroxy alcohol which contains 11 to 36 car- bon atoms. The adduct mixture possesses good storage stability in common polyisocyanate solvents and good compatibility with apolar solvents. The present invention also relates to the use of the liquid poly- isocyanate adduct mixture in the process of curing alkyd or acrylic resins and to compositions containing the adduct mixture and alkyd or acrylic resins.

400084

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