Purification of propylene oxide

Details Purification of propylene oxide Purification of propylene oxide

1986-12-22

1987-09-08

Milestone, Norma S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30132

Patent

active

046925350

ABSTRACT:
Process for improving the quality of propylene oxide contaminated with minute quantities of high molecular weight poly(propylene oxide) by contacting liquid propylene oxide with certain solid adsorbents, such as activated carbon and attapulgite, thereby obtaining a substantially pure oxide product essentially free of high molecular weight poly(propylene oxide) suitable for conversion of polyether polyols capable of producing high resilient flexible polyurethane foams exhibiting high rise and substantially free of blow hole formation.

REFERENCES:
patent: 4233202 (1980-11-01), Berger et al.

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