Process of spraying polyurethane-polyurea compositions and appli

Details Process of spraying polyurethane-polyurea compositions and appli Process of spraying polyurethane-polyurea compositions and appli

1973-03-26

1976-01-06

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 318R, 260 328N, 260 338UB, 260 75NE, 260858, C08G 1828

Patent

active

039311155

ABSTRACT:
A polyurethane-polyurea composition is obtained by reacting a liquid prepolymer previously prepared by reaction of one or more polyols having a molecular weight of between 300 and 6000 with a polyisocyanate in excess with a diamine dissolved in a solvent, the said liquid prepolymer containing simultaneously polyester and polyether linkages and, optionally, a solvent.
Application to obtaining resistant films, by spraying the composition by means of a spray gun.

REFERENCES:
patent: 3440086 (1969-04-01), Kerns
patent: 3499858 (1970-03-01), Strassel
patent: 3509102 (1970-04-01), Horn et al.
patent: 3658761 (1972-04-01), Hostettler et al.
patent: 3666724 (1972-05-01), Hostettler
patent: 3684770 (1972-08-01), Meisert et al.
patent: 3705132 (1972-12-01), Cuscurida
patent: 3746665 (1973-07-01), Koleske et al.
patent: 3784061 (1974-01-01), Jellinek et al.
patent: 3804810 (1974-04-01), Fryd

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