Stabilized filler suspensions in polyols

Details Stabilized filler suspensions in polyols Stabilized filler suspensions in polyols

1979-07-30

1980-12-23

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 332R, 521127, C08K 904, C08L 7504

Patent

active

042409500

ABSTRACT:
The instant invention is directed to a process for the production of non-disintegrating suspensions of inorganic fillers in polyhydroxyl compounds of the type used for the production of polyurethanes, comprising reacting a suspension of an inorganic filler in a polyhydroxyl compound with from 0.1 to 2%, by weight, of a polyisocyanate, based on the weight of the suspension, at a temperature of from 30.degree. to 200.degree. C. The invention is also directed to the use of the suspension as the polyol component in the production of cellular polyurethane plastics.

REFERENCES:
patent: 3869413 (1975-03-01), Blankenship

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