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

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=11672601

Family Applications (1)

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

Country Status (2)

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

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 (2)

* 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
JPWO2022196407A1 (enrdf_load_stackoverflow) * 2021-03-16 2022-09-22

Family Cites Families (1)

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

Cited By (5)

* 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

Also Published As

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

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Legal Events

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