Process for preparing rapid-setting polyurethanes

Details Process for preparing rapid-setting polyurethanes Process for preparing rapid-setting polyurethanes

1974-03-29

1977-02-15

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AC, 260 75NC, C08G 1818

Patent

active

040081850

ABSTRACT:
Rapid-setting polyurethanes are prepared from organic aromatic polyisocyanates and polyols having an average functionality of 2-8 and an equivalent weight less than 500 by admixture thereof in the presence of a non-amine nitrogen-containing compound such as urea as a catalyst therefor.

REFERENCES:
patent: 3446771 (1969-05-01), Matsubayashi et al.
patent: 3726827 (1973-04-01), Jones et al.
patent: 3746692 (1973-07-01), Olstowski et al.

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