Nothing Special   »   [go: up one dir, main page]

GB1238351A - - Google Patents

Info

Publication number
GB1238351A
GB1238351A GB253568A GB1238351DA GB1238351A GB 1238351 A GB1238351 A GB 1238351A GB 253568 A GB253568 A GB 253568A GB 1238351D A GB1238351D A GB 1238351DA GB 1238351 A GB1238351 A GB 1238351A
Authority
GB
United Kingdom
Prior art keywords
mixture
koh
naoh
hexamethylene diamine
weight
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
GB253568A
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
Application filed filed Critical
Publication of GB1238351A publication Critical patent/GB1238351A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/86—Separation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
    • C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • C07C211/09—Diamines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
    • C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • C07C211/09—Diamines
    • C07C211/12—1,6-Diaminohexanes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
    • C07C211/26—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring
    • C07C211/27—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring having amino groups linked to the six-membered aromatic ring by saturated carbon chains
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
    • C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton

Landscapes

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

Abstract

1,238,351. Hexamethylene diamine. IMPERIAL CHEMICAL INDUSTRIES Ltd. 3 Jan., 1969 [17 Jan., 1968], No. 2535/68. Heading C2C. Hexamethylene diamine containing colourforming impurities is purified by distilling it in the presence of a mixture comprising sodium and potassium hydroxides in a molecular ratio of from 1À0 NaOH: 1À0 KOH to 2À6 NaOH: 1À0 KOH. The hydroxide mixture preferably has the composition of the eutectic mixture, i.e. it has a molecular ratio of 1À6 NaOH: 1À0 KOH, and is generally used in an amount of 0À01 to 1À0% by weight, based on the weight of the hexamethylene diamine. A minor amount of lithium hydroxide with respect to the total weight of the hydroxide mixture may also be present in the mixture.
GB253568A 1968-01-17 1968-01-17 Expired GB1238351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB253568 1968-01-17

Publications (1)

Publication Number Publication Date
GB1238351A true GB1238351A (en) 1971-07-07

Family

ID=9741283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB253568A Expired GB1238351A (en) 1968-01-17 1968-01-17

Country Status (1)

Country Link
GB (1) GB1238351A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497333A2 (en) * 1991-01-30 1992-08-05 E.I. Du Pont De Nemours And Company Purification of aminonitriles or diamines
DE4223776C1 (en) * 1992-07-18 1993-09-16 Mercedes-Benz Aktiengesellschaft, 70327 Stuttgart, De Recycling amine from sand moulding process - by progressively increasing pH of used gases in solution and removing amine by gravity separation
US6252115B1 (en) 1997-02-07 2001-06-26 Basf Aktiengesellschaft Method for separating an imine from a mixture containing an amine and an imine
WO2001066514A1 (en) 2000-03-08 2001-09-13 Basf Aktiengesellschaft Method for separating an azepine derivative out of a mixture containing an amine and an azepine derivative
US6300497B1 (en) 1998-03-20 2001-10-09 Basf Ag Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497333A2 (en) * 1991-01-30 1992-08-05 E.I. Du Pont De Nemours And Company Purification of aminonitriles or diamines
EP0497333A3 (en) * 1991-01-30 1993-01-13 E.I. Du Pont De Nemours And Company Purification of aminonitriles or diamines
DE4223776C1 (en) * 1992-07-18 1993-09-16 Mercedes-Benz Aktiengesellschaft, 70327 Stuttgart, De Recycling amine from sand moulding process - by progressively increasing pH of used gases in solution and removing amine by gravity separation
US6252115B1 (en) 1997-02-07 2001-06-26 Basf Aktiengesellschaft Method for separating an imine from a mixture containing an amine and an imine
US6300497B1 (en) 1998-03-20 2001-10-09 Basf Ag Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative
WO2001066514A1 (en) 2000-03-08 2001-09-13 Basf Aktiengesellschaft Method for separating an azepine derivative out of a mixture containing an amine and an azepine derivative

Similar Documents

Publication Publication Date Title
IE35303L (en) Manufacture of hexamethylenediamine
GB1238351A (en)
KR870003220A (en) Treatment method of rare earth ore
GB1419631A (en) Bonding process
GB1346544A (en) Silver allantoinate-containing compositions
GB1212943A (en) 0,1,1,3,3-pentafluoro-2-propyl p-toluenesulphonate
GB1232764A (en)
GB1149458A (en) Stabilized chlorofluoroalkane compositions
GB1465718A (en) Isolation of 1,5-dinitroanthraquinone
GB1209207A (en) Polyhydrazide solutions
FR2272143A1 (en) Plasticised thermoplastic (co)polyamide matls - contg hydrochloric or sulphuric acid (amine salts) as crystallinity-controlling agents
GB1255752A (en) A novel imidazolidin 2-one-1-carboxylic acid amide and its use as a herbicidal agent
GB1297263A (en)
GB1313325A (en) Purification of tetrahydrofuran
ES335892A1 (en) Improvements relating to nitro acridone dyestuffs and their use
GB1157416A (en) Purification of Caprolactam
GB1184292A (en) Free-Running Pentaerythritol Tetranitrate
GB1343641A (en) Mono-and dis-azo dyes containing dihydroxypyridine residues
Plotnikov Influence of Si Additions on Stability of AlBa Alloys
FR1556933A (en)
GB1227795A (en)
GB1147458A (en) Purification process
GB715827A (en) Improvements in explosive mixtures
GB1366441A (en) Preparation of antioxidant
GB854538A (en) Purification of caprolactam

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees