Liquid polyisocyanate adduct mixtures possessing good compatibil

Details Liquid polyisocyanate adduct mixtures possessing good compatibil Liquid polyisocyanate adduct mixtures possessing good compatibil

1988-10-25

1989-08-08

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

560330, 560335, 560357, 525127, 528 59, C07C12724, C08G 1878

Patent

active

048554901

ABSTRACT:
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 carbon 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 polyisocyante adduct mixture in the process of curing alkyd or acrylic resins and to compositions containing the adduct mixture and alkyd or acrylic resins.

REFERENCES:
patent: 3124605 (1964-03-01), Wagner
patent: 3201372 (1965-08-01), Wagner
patent: 3789037 (1974-01-01), Miller
patent: 4355138 (1982-10-01), Markusch et al.
patent: 4419293 (1983-12-01), Hudson et al.
Polyurethanes: Chemistry & Technology, vol. II Technology, Saunders & Frisch, 1964, pp. 468-477.

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