GB1034307A - Production of diamine salts of dicarboxylic acids - Google Patents

Production of diamine salts of dicarboxylic acids

Info

Publication number
GB1034307A
GB1034307A GB2449164A GB2449164A GB1034307A GB 1034307 A GB1034307 A GB 1034307A GB 2449164 A GB2449164 A GB 2449164A GB 2449164 A GB2449164 A GB 2449164A GB 1034307 A GB1034307 A GB 1034307A
Authority
GB
United Kingdom
Prior art keywords
salt
diamine
specified
alcoholic medium
dicarboxylic acid
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
GB2449164A
Inventor
Charles Brierley
David Morgan Leyshon
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2449164A priority Critical patent/GB1034307A/en
Priority to FR20565A priority patent/FR1438710A/en
Priority to BE665308A priority patent/BE665308A/xx
Priority to DE1965I0022325 priority patent/DE1493874A1/en
Priority to NL6507519A priority patent/NL6507519A/xx
Priority to CH815165A priority patent/CH442268A/en
Publication of GB1034307A publication Critical patent/GB1034307A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyamides (AREA)

Abstract

Salts of a diamine with a dicarboxylic acid are prepared by mixing solutions of the two components in an alcoholic medium, and filtering or centrifuging the resulting salt, the alcoholic medium consisting at least partly of the water liquors recovered from a previous operation, if required after treatment with carbon. Specified solvents are methyl, ethyl and isopropyl alcohol. Hexamethylenediamine adipate is specified as amine salt. The products may be polymerized (see Division C3).ALSO:Fibre-forming polyamides, e.g. polyhexamethylene adipamide, are obtained by heating the diamine dicarboxylate salt prepared by mixing solutions of a diamine and a dicarboxylic acid in an alcoholic medium which is at least in part, e.g. 50-95%, recycled mother liquor after removal of a previous batch of amine salt (see Division C2). The salt may be formed at 20-60 DEG C., filtered off and the mother liquor treated with carbon before reuse. Alcohols specified are MeOH, EtOH and iso-PrOH and may contain up to 15% water.
GB2449164A 1964-06-12 1964-06-12 Production of diamine salts of dicarboxylic acids Expired GB1034307A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB2449164A GB1034307A (en) 1964-06-12 1964-06-12 Production of diamine salts of dicarboxylic acids
FR20565A FR1438710A (en) 1964-06-12 1965-06-11 Manufacture of a diamine and diacid salt
BE665308A BE665308A (en) 1964-06-12 1965-06-11
DE1965I0022325 DE1493874A1 (en) 1964-06-12 1965-06-11 Process for the production of fiber-forming polyamides
NL6507519A NL6507519A (en) 1964-06-12 1965-06-11
CH815165A CH442268A (en) 1964-06-12 1965-06-11 Process for the preparation of a salt of a diamine and a dicarboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2449164A GB1034307A (en) 1964-06-12 1964-06-12 Production of diamine salts of dicarboxylic acids

Publications (1)

Publication Number Publication Date
GB1034307A true GB1034307A (en) 1966-06-29

Family

ID=10212501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2449164A Expired GB1034307A (en) 1964-06-12 1964-06-12 Production of diamine salts of dicarboxylic acids

Country Status (6)

Country Link
BE (1) BE665308A (en)
CH (1) CH442268A (en)
DE (1) DE1493874A1 (en)
FR (1) FR1438710A (en)
GB (1) GB1034307A (en)
NL (1) NL6507519A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411790A1 (en) * 1989-07-29 1991-02-06 BP Chemicals Limited Process for the preparation of nylon salts

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2728818C3 (en) * 1977-06-27 1980-05-08 Basf Ag, 6700 Ludwigshafen Process for the continuous production of aqueous solutions of salts from alkanedicarboxylic acids and alkanediamines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411790A1 (en) * 1989-07-29 1991-02-06 BP Chemicals Limited Process for the preparation of nylon salts

Also Published As

Publication number Publication date
DE1493874A1 (en) 1970-03-19
BE665308A (en) 1965-12-13
CH442268A (en) 1967-08-31
NL6507519A (en) 1965-12-13
FR1438710A (en) 1966-05-13

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