GB1297606A - - Google Patents

Info

Publication number
GB1297606A
GB1297606A GB1297606DA GB1297606A GB 1297606 A GB1297606 A GB 1297606A GB 1297606D A GB1297606D A GB 1297606DA GB 1297606 A GB1297606 A GB 1297606A
Authority
GB
United Kingdom
Prior art keywords
solvent
caprolactam
liquid
polycaprolactam
recirculated
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
Other languages
English (en)
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 GB1297606A publication Critical patent/GB1297606A/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
    • C08G69/46—Post-polymerisation treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0207—Control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Reinforced Plastic Materials (AREA)
GB1297606D 1970-01-30 1971-04-19 Expired GB1297606A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45007684A JPS497359B1 (enExample) 1970-01-30 1970-01-30

Publications (1)

Publication Number Publication Date
GB1297606A true GB1297606A (enExample) 1972-11-29

Family

ID=11672601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297606D Expired GB1297606A (enExample) 1970-01-30 1971-04-19

Country Status (2)

Country Link
JP (1) JPS497359B1 (enExample)
GB (1) GB1297606A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404510A1 (de) * 1974-01-31 1975-08-14 Basf Ag Extraktionsrohr fuer polyamide
EP0415258A3 (en) * 1989-08-28 1991-05-02 Idemitsu Petrochemical Co. Ltd. Process for washing powdery and/or granular resins and a washing device therefor
US6320021B1 (en) 1997-11-25 2001-11-20 Basf Aktiengesellschaft Continuous polyamide extraction process
CN116888314A (zh) * 2021-03-16 2023-10-13 东丽株式会社 尼龙6纤维、以及材料再循环聚己酰胺树脂颗粒及其制造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015201969A1 (de) * 2015-02-04 2016-08-04 Thyssenkrupp Ag Verfahren und Vorrichtung zur Herstellung von Polyamiden mit optimierter Strömungsführung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351946Y2 (enExample) * 1974-08-09 1978-12-12

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404510A1 (de) * 1974-01-31 1975-08-14 Basf Ag Extraktionsrohr fuer polyamide
EP0415258A3 (en) * 1989-08-28 1991-05-02 Idemitsu Petrochemical Co. Ltd. Process for washing powdery and/or granular resins and a washing device therefor
US5143554A (en) * 1989-08-28 1992-09-01 Idemitsu Petrochemical Company Limited Process for washing powdery and/or granular resins and a washing device therefor
US6320021B1 (en) 1997-11-25 2001-11-20 Basf Aktiengesellschaft Continuous polyamide extraction process
CN116888314A (zh) * 2021-03-16 2023-10-13 东丽株式会社 尼龙6纤维、以及材料再循环聚己酰胺树脂颗粒及其制造方法
CN116888314B (zh) * 2021-03-16 2026-04-03 东丽株式会社 尼龙6纤维、以及材料再循环聚己酰胺树脂颗粒及其制造方法

Also Published As

Publication number Publication date
JPS497359B1 (enExample) 1974-02-20

Similar Documents

Publication Publication Date Title
GB1368320A (en) Filter apparatus
BE774395A (fr) Procede de recuperation d'ammoniac des gaz en contenant en melange avecde l'acide cyanhydrique
GB1381273A (en) Insulin derivatives
FR1256953A (fr) Procédé de préparation de polyamides à poids moléculaire élevé et pauvres en monomères
OA04714A (fr) Procédé et dispositif pour la stérilisation de liquides par oxydation anodique avec réduction préalable.
GB1279527A (en) Continuous preparation of cyclohexanone oxime
GB1305367A (enExample)
GB1430949A (en) Method of removing a lactam from solutions in an organic solvent
GB1375280A (enExample)
KUFTINEC et al. Stability of the IMPA with reference to the Begg method
GB1313921A (en) Process for preparation of sterile lecithin
JPS5266221A (en) Device for correcting steering direction of conveying truck in tunnel
GB1159232A (en) Process for the production of High Molecular Weight Polyamides
GB1250654A (enExample)
DANA Psychologized inkblots
LEONTE et al. THE INFLUENCE OF OXYGEN CONCENTRATION ON ROUTINE METABOLISM OF CYPRINUS CARPIO L. IN DIFFERENT TEMPERATURE CONDITIONS,(INFLUENTA CONCENTRATIEI DE OXIGEN ASUPRA METABOLISMULUI ENERGETIC LA CYPRINUS CARPIO L. IN DIFERITE CONDITII DE TEMPERATURA)
FR2236821A1 (en) Styrene stabilise. by addn. of water - during or after distn., to prevent discoloration during transport or storage
Josselyn Implications of current sexual patterns: An hypothesis.
Hecht et al. A study of pharmaco-dynamics in periodic conditional processes in albino rats.
GB1196657A (en) Process for the Manufacture of Urea from Ammonia and Carbon Dioxide
KHAN et al. INVESTIGATION OF THE TERNARY DIAGRAM OF THE COPPER-IRON-TITANIUM SYSTEM
ES318642A1 (es) Procedimiento para el tratamiento de poliamidas
KOVALENKO et al. Body functions and metabolism during prolonged hypokinesia in an integrated experiment
FR1502694A (fr) Procédé de séparation dans le système zirconium-hafnium par extraction liquide-liquide utilisant l'acide dibenzylphosphorique
COCHNAR et al. Equilibrium of vanadium carbide with an alpha or gamma solid solution in the iron-rich Fe-Cr-V-C system at temperatures from 700 to 1150 C and at a carbon concentration of 0. 30%

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee