Low density rapid-setting polyurethanes

Details Low density rapid-setting polyurethanes Low density rapid-setting polyurethanes

1973-08-29

1977-07-26

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 338UB, 260 37N, 260859R, C08K 728

Patent

active

040382389

ABSTRACT:
Low density polyurethanes having the ability to reproduce mold detail in excellent quality from rapid-setting polyurethane-forming compositions are obtained by mixing a rapid-setting polyurethane-forming composition with light weight hollow spheres or microballoons and a liquid viscosity reducing agent such as xylene.

REFERENCES:
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patent: 3251916 (1966-05-01), Newnham
patent: 3358052 (1967-12-01), Archer
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patent: 3524794 (1970-08-01), Jonnes
patent: 3549472 (1970-12-01), King
patent: 3714110 (1973-01-01), Verdol
patent: 3726827 (1973-04-01), Jones
patent: 3746692 (1973-07-01), Olstowski
patent: 3755241 (1973-08-01), Brady
Einhorn, "Extended Foams," Journal of Cellular Plastics, Jan. 1965, pp. 25-31.

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