Process for the production of thermosetting one-component polyur

Details Process for the production of thermosetting one-component polyur Process for the production of thermosetting one-component polyur

1988-08-08

1989-07-11

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

427384, 4273855, 42840221, 524789, 524791, 524871, 528 60, 528 61, C08G 1810

Patent

active

048473219

ABSTRACT:
The present invention relates to a process for the production of storable thermosetting polyurethane-polyurea compositions wherein a storable isocyanate component stabilized by a surface coating and a polyol and/or polyamine component are separately prepared. A one-component polyurethane-polyurea reactive mixture is formed by mixing just before the intended use the separate components under mild shear forces at a temperature below the thickening temperature of the final reactive mixture.

REFERENCES:
patent: 4400497 (1983-08-01), Blum et al.
patent: 4483974 (1984-11-01), Grogler et al.

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