Process for the manufacture of organic polymer polyol

Details Process for the manufacture of organic polymer polyol Process for the manufacture of organic polymer polyol

1978-09-11

1981-02-17

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

521 67, C08K 505

Patent

active

042514118

ABSTRACT:
A process for the manufacture of partially dehydrated organic polymer polyol dispersions from the reaction of polyhydroxyl compounds and aqueous polymer dispersions wherein the problem of excessive viscosity is overcome by mixing the reactants with a recycled partially dehydrated polyol polymer dispersion, removing water from the reaction mixture, removing a portion of the partially dehydrated polyol polymer dispersion, and recycling the remainder.

REFERENCES:
patent: 3314901 (1967-04-01), Daumiller
patent: 3869413 (1975-03-01), Blankenship
patent: 4049590 (1977-09-01), Falkenstein
patent: 4093573 (1978-06-01), Ramlow
patent: 4122056 (1978-10-01), Ramlow

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