FR2278721A1 - Procede d'extraction de polyamides en grains - Google Patents

Procede d'extraction de polyamides en grains

Info

Publication number
FR2278721A1
FR2278721A1 FR7521425A FR7521425A FR2278721A1 FR 2278721 A1 FR2278721 A1 FR 2278721A1 FR 7521425 A FR7521425 A FR 7521425A FR 7521425 A FR7521425 A FR 7521425A FR 2278721 A1 FR2278721 A1 FR 2278721A1
Authority
FR
France
Prior art keywords
extracting
polyamide
dmf
polyamides
purification
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.)
Granted
Application number
FR7521425A
Other languages
English (en)
French (fr)
Other versions
FR2278721B1 (cs
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.)
Huels AG
Original Assignee
Chemische Werke Huels AG
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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of FR2278721A1 publication Critical patent/FR2278721A1/fr
Application granted granted Critical
Publication of FR2278721B1 publication Critical patent/FR2278721B1/fr
Granted 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR7521425A 1974-07-19 1975-07-08 Procede d'extraction de polyamides en grains Granted FR2278721A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742434755 DE2434755C3 (de) 1974-07-19 1974-07-19 Verfahren zum Extrahieren von körnigen Polyamiden

Publications (2)

Publication Number Publication Date
FR2278721A1 true FR2278721A1 (fr) 1976-02-13
FR2278721B1 FR2278721B1 (cs) 1979-05-18

Family

ID=5920975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521425A Granted FR2278721A1 (fr) 1974-07-19 1975-07-08 Procede d'extraction de polyamides en grains

Country Status (4)

Country Link
JP (1) JPS5134299A (cs)
CH (1) CH597278A5 (cs)
DE (1) DE2434755C3 (cs)
FR (1) FR2278721A1 (cs)

Also Published As

Publication number Publication date
FR2278721B1 (cs) 1979-05-18
CH597278A5 (cs) 1978-03-31
DE2434755B2 (de) 1977-12-22
JPS5134299A (en) 1976-03-23
DE2434755A1 (de) 1976-03-04
JPS5243755B2 (cs) 1977-11-01
DE2434755C3 (de) 1978-08-24

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Legal Events

Date Code Title Description
ST Notification of lapse