GB916774A - Improvements in or relating to the preparation of a mixture of glycerol and glycols - Google Patents

Improvements in or relating to the preparation of a mixture of glycerol and glycols

Info

Publication number
GB916774A
GB916774A GB2261259A GB2261259A GB916774A GB 916774 A GB916774 A GB 916774A GB 2261259 A GB2261259 A GB 2261259A GB 2261259 A GB2261259 A GB 2261259A GB 916774 A GB916774 A GB 916774A
Authority
GB
United Kingdom
Prior art keywords
glycerol
nickel
glycols
mixture
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2261259A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CH6155058A external-priority patent/CH373025A/en
Application filed by Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Publication of GB916774A publication Critical patent/GB916774A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A mixture of glycerol and glycols with less than 6 carbon atoms in the chain, is prepared in a one-stage process in which an aqueous solution of sucrose is catalytically hydrogenated at elevated temperature and pressure at a pH of from 11 to 12.5 at least at the beginning of the hydrogenation. A pH of 12 is preferred and is adjusted by alkali or alkaline earth metal hydroxide. The process may be continuous at between 180 and 250 DEG C. and 50 to 250 atmospheres pressure. Catalysts such as nickel or kieselguhr and aluminium oxide, Raney nickel, or nickel-magnesium oxalate and during the continuous process hydrogen saturated with steam may be used and the reaction product is concentrated from 10 to 40% weight by volume. Examples describe the preparation of mixtures containing pentitol, erythritol, glycerol, ethylene and propylene glycol, butanediol.
GB2261259A 1958-07-09 1959-07-01 Improvements in or relating to the preparation of a mixture of glycerol and glycols Expired GB916774A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6155058A CH373025A (en) 1958-07-09 1958-07-09 Process for the production of glycerine and glycols
CH7284259A CH423738A (en) 1958-07-09 1959-05-02 Process for the production of glycerine and glycols

Publications (1)

Publication Number Publication Date
GB916774A true GB916774A (en) 1963-01-30

Family

ID=25737721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2261259A Expired GB916774A (en) 1958-07-09 1959-07-01 Improvements in or relating to the preparation of a mixture of glycerol and glycols

Country Status (3)

Country Link
CH (1) CH423738A (en)
ES (1) ES250333A1 (en)
GB (1) GB916774A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5490394A (en) * 1977-12-16 1979-07-18 Bayer Ag Preparation of low molecular weight polyhydroxyl compound
EP0809444A1 (en) * 1993-12-29 1997-12-03 Wm. Wrigley Jr. Company Liquid sorbitol/mannitol/glycerin blend and compositions containing same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5490394A (en) * 1977-12-16 1979-07-18 Bayer Ag Preparation of low molecular weight polyhydroxyl compound
JPS6259686B2 (en) * 1977-12-16 1987-12-12 Bayer Ag
EP0809444A1 (en) * 1993-12-29 1997-12-03 Wm. Wrigley Jr. Company Liquid sorbitol/mannitol/glycerin blend and compositions containing same
EP0809444A4 (en) * 1993-12-29 1998-04-15 Wrigley W M Jun Co Liquid sorbitol/mannitol/glycerin blend and compositions containing same

Also Published As

Publication number Publication date
CH423738A (en) 1966-11-15
ES250333A1 (en) 1959-10-16

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