Non-catalytic process for preparing rapid-setting rigid polyuret

Details Non-catalytic process for preparing rapid-setting rigid polyuret Non-catalytic process for preparing rapid-setting rigid polyuret

1976-07-12

1977-07-19

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AB, 260 775AP, C08G 1828

Patent

active

040368203

ABSTRACT:
A process is described for preparing rapid-setting polyurethanes which comprises admixing in the absence of a catalyst a liquid polyol component with a liquid polyisocyanate component wherein the temperature of said components prior to mixing is such that the resultant mixture has a temperature of at least 50.degree. C and will result in a peak exotherm temperature of at least 85.degree. C.

REFERENCES:
patent: 3635904 (1972-01-01), Briggs et al.
patent: 3689442 (1972-07-01), Taub
"Chemistry" by Sienko and Plane, pp. 237-249, McGraw-Hill Book Co. Inc. 1961.

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