Anhydrous solvent separation in production of polyol monoacylate

Details Anhydrous solvent separation in production of polyol monoacylate Anhydrous solvent separation in production of polyol monoacylate

1975-03-28

1977-03-01

McCarthy, Helen M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604106, 2604107, 2604108, 260419, 260485S, 260643A, 260707, C11B 700

Patent

active

040101835

ABSTRACT:
Crystallizable C.sub.3 polyol monoacylates are separated from a mixture thereof with related polyol polyacylates by solvent fractionation of such mixture. The separated C.sub.3 polyol monoacylates are melted and subjected to a stripping operation under reduced pressure and anhydrous conditions, with at least the final phase of such stripping being performed with inert gas sparging of the melt.

REFERENCES:
patent: 3345389 (1967-10-01), Zilch
patent: 3649657 (1972-03-01), Staker et al.

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