Urea or carbonamide containing diisocyanate polyaddition product

Details Urea or carbonamide containing diisocyanate polyaddition product Urea or carbonamide containing diisocyanate polyaddition product

1975-06-02

1977-06-07

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AT, C08G 1873

Patent

active

040283062

ABSTRACT:
The present invention relates to linear, film-forming diisocyanate polyaddition products soluble in lacquer solvents which contain 10 to 69 wt. % of structural units of the formula: ##STR1## and processes for producing such diisocyanate polyaddition products. The polymer produced may be polyureas, polyhydrazocarbonamide, a polyurethane polyurea, polyurethane polyhydrazocarbonamides, polyurea polyhydrazocarbonamides or polyurethane polyurea polyhydrazocarbonamides. These diisocyanate polyaddition products are useful for the production of surface coatings, lacquer coatings and impregnations.

REFERENCES:
patent: 2691567 (1954-10-01), Kvalnes et al.
patent: 3277212 (1966-10-01), Fischer et al.
patent: 3334056 (1967-08-01), Fischer et al.
patent: 3456040 (1969-07-01), Onodera et al.
patent: 3470271 (1969-09-01), Brotherton et al.
patent: 3551527 (1970-12-01), Weber et al.

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