GB892564A - Improvements in or relating to the production of hexamethylene diamine adipate - Google Patents

Improvements in or relating to the production of hexamethylene diamine adipate

Info

Publication number
GB892564A
GB892564A GB34496/60A GB3449660A GB892564A GB 892564 A GB892564 A GB 892564A GB 34496/60 A GB34496/60 A GB 34496/60A GB 3449660 A GB3449660 A GB 3449660A GB 892564 A GB892564 A GB 892564A
Authority
GB
United Kingdom
Prior art keywords
hexamethylene diamine
relating
production
diamine adipate
aqueous solution
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
GB34496/60A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB892564A publication Critical patent/GB892564A/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
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyamides (AREA)

Abstract

Pure solid hexamethylene diamine adipate is prepared by spray drying an aqueous solution of said salt at a temperature of between 70 DEG C. and 250 DEG C. The aqueous solution is preferably treated with active carbon prior to spray drying.
GB34496/60A 1959-11-10 1960-10-07 Improvements in or relating to the production of hexamethylene diamine adipate Expired GB892564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ7649A DE1124507B (en) 1959-11-10 1959-11-10 Process for the preparation of pure adipic acid hexamethylenediamine

Publications (1)

Publication Number Publication Date
GB892564A true GB892564A (en) 1962-03-28

Family

ID=7620216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34496/60A Expired GB892564A (en) 1959-11-10 1960-10-07 Improvements in or relating to the production of hexamethylene diamine adipate

Country Status (2)

Country Link
DE (1) DE1124507B (en)
GB (1) GB892564A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1038460A (en) * 1963-12-23 1966-08-10 Du Pont Process for purification of nylon salt solutions
US3337612A (en) * 1964-03-26 1967-08-22 Du Pont Process for treating activated carbon to be used in the purification of nylon salt solution
US4627940A (en) * 1982-09-29 1986-12-09 Monsanto Company Process for preparing a polyamide

Also Published As

Publication number Publication date
DE1124507B (en) 1962-03-01

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