GB715839A - A process for the recovery of dimethyl formamide from its aqueous solutions - Google Patents

A process for the recovery of dimethyl formamide from its aqueous solutions

Info

Publication number
GB715839A
GB715839A GB100952A GB100952A GB715839A GB 715839 A GB715839 A GB 715839A GB 100952 A GB100952 A GB 100952A GB 100952 A GB100952 A GB 100952A GB 715839 A GB715839 A GB 715839A
Authority
GB
United Kingdom
Prior art keywords
dimethyl formamide
methylene chloride
chloride
solvent
aqueous
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
GB100952A
Other languages
English (en)
Inventor
Leslie Arthur Bashford
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.)
Akzo Nobel UK PLC
Original Assignee
Courtaulds PLC
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 to NL78560D priority Critical patent/NL78560C/xx
Priority to NLAANVRAGE7609488,B priority patent/NL175054B/xx
Application filed by Courtaulds PLC filed Critical Courtaulds PLC
Priority to GB100952A priority patent/GB715839A/en
Priority to FR1069553D priority patent/FR1069553A/fr
Publication of GB715839A publication Critical patent/GB715839A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
GB100952A 1952-01-14 1952-01-14 A process for the recovery of dimethyl formamide from its aqueous solutions Expired GB715839A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL78560D NL78560C (enrdf_load_stackoverflow) 1952-01-14
NLAANVRAGE7609488,B NL175054B (nl) 1952-01-14 Werkwijze voor het thermisch taaimaken van een glasplaat.
GB100952A GB715839A (en) 1952-01-14 1952-01-14 A process for the recovery of dimethyl formamide from its aqueous solutions
FR1069553D FR1069553A (fr) 1952-01-14 1953-01-13 Procédé de récupération de la diméthyl-formiamide à partir de ses solutions aqueuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB100952A GB715839A (en) 1952-01-14 1952-01-14 A process for the recovery of dimethyl formamide from its aqueous solutions

Publications (1)

Publication Number Publication Date
GB715839A true GB715839A (en) 1954-09-22

Family

ID=9714547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB100952A Expired GB715839A (en) 1952-01-14 1952-01-14 A process for the recovery of dimethyl formamide from its aqueous solutions

Country Status (3)

Country Link
FR (1) FR1069553A (enrdf_load_stackoverflow)
GB (1) GB715839A (enrdf_load_stackoverflow)
NL (2) NL175054B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086050A (en) * 1960-07-19 1963-04-16 Snia Viscosa Process and means for extracting organic solvents from baths containing them
US3713991A (en) * 1969-05-28 1973-01-30 Porvair Ltd Recovery of dimethylformamide by crystallization and distillation
US10370398B2 (en) 2016-06-23 2019-08-06 Tate & Lyle Technology Limited Liquid-liquid extraction of DMF

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1423441A (en) * 1972-05-18 1976-02-04 Teijin Ltd Production of polyamide fibres

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086050A (en) * 1960-07-19 1963-04-16 Snia Viscosa Process and means for extracting organic solvents from baths containing them
US3713991A (en) * 1969-05-28 1973-01-30 Porvair Ltd Recovery of dimethylformamide by crystallization and distillation
US10370398B2 (en) 2016-06-23 2019-08-06 Tate & Lyle Technology Limited Liquid-liquid extraction of DMF
US10899783B2 (en) 2016-06-23 2021-01-26 Tate & Lyle Technology Limited Liquid-liquid extraction of DMF

Also Published As

Publication number Publication date
NL78560C (enrdf_load_stackoverflow)
NL175054B (nl)
FR1069553A (fr) 1954-07-09

Similar Documents

Publication Publication Date Title
GB715839A (en) A process for the recovery of dimethyl formamide from its aqueous solutions
GB1287671A (en) Improved silver recovery process
GB1016505A (en) Method of recovering organic solvents from coagulation and/or stretching baths
GB1111952A (en) New compositions of carbon black and polyacrylonitrile and method for their preparation
GB1352625A (en) Preparation of spinnable pitch
GB901252A (en) Treatment of films
FR2307791A1 (fr) Procede pour isoler le 1,5- et le 1,8-dinitronaphtalenes a partir de melanges de dinitronaphtalenes isomeres
US3086050A (en) Process and means for extracting organic solvents from baths containing them
ES278432A1 (es) Procedimiento de extracción de ácidos orgánicos de fermentación
GB949393A (en) Method of purifying monochloroacetic acid
GB1034480A (en) Process for the spinning of the crystalline polymer of vinyl chloride
SU96894A1 (ru) Способ выделени пахикарпина из смеси его с другими алкалоидами.
GB1157416A (en) Purification of Caprolactam
GB748303A (en) Polymeric compositions and spinning process
GB1430949A (en) Method of removing a lactam from solutions in an organic solvent
US3316241A (en) Process for the recovery of polysaccharide gum polymers
US2503200A (en) Separation of gamma-valerolactone from water
ES291564A1 (es) Procedimiento de separaciën de cloruro de polivinilo clorado de su soluciën en tetracloroetano
US1978981A (en) Method of preparing carotene pigment material
NL100835C (enrdf_load_stackoverflow)
ES379306A1 (es) Un procedimiento para la separacion de los componentes de una disolucion que comprende componentes que hierven a menos
SU478461A3 (ru) Способ выделени солей из растворов
ES267319A1 (es) Metodo para purificar polimeros olefinicos
GB1032992A (en) A process for the production of polyacrylonitrile filaments by wet-spinning
GB1298316A (en) A method for reducing zearalenone to zearalanol