FR2023467A1 - Raising the viscosity of polyamides - Google Patents

Raising the viscosity of polyamides

Info

Publication number
FR2023467A1
FR2023467A1 FR6939181A FR6939181A FR2023467A1 FR 2023467 A1 FR2023467 A1 FR 2023467A1 FR 6939181 A FR6939181 A FR 6939181A FR 6939181 A FR6939181 A FR 6939181A FR 2023467 A1 FR2023467 A1 FR 2023467A1
Authority
FR
France
Prior art keywords
polyamides
viscosity
raising
befor
polymn
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
FR6939181A
Other languages
English (en)
French (fr)
Other versions
FR2023467B1 (https=
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.)
Deutsche Rhodiaceta AG
Rhodiaceta AG
Original Assignee
Deutsche Rhodiaceta AG
Rhodiaceta 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 Deutsche Rhodiaceta AG, Rhodiaceta AG filed Critical Deutsche Rhodiaceta AG
Publication of FR2023467A1 publication Critical patent/FR2023467A1/fr
Application granted granted Critical
Publication of FR2023467B1 publication Critical patent/FR2023467B1/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
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/04—Preparatory processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
FR6939181A 1968-11-16 1969-11-14 Raising the viscosity of polyamides Granted FR2023467A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681809341 DE1809341A1 (de) 1968-11-16 1968-11-16 Verfahren zur Erhoehung der Viskositaet von Polyamiden

Publications (2)

Publication Number Publication Date
FR2023467A1 true FR2023467A1 (en) 1970-08-21
FR2023467B1 FR2023467B1 (https=) 1973-10-19

Family

ID=5713532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939181A Granted FR2023467A1 (en) 1968-11-16 1969-11-14 Raising the viscosity of polyamides

Country Status (2)

Country Link
DE (1) DE1809341A1 (https=)
FR (1) FR2023467A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431795A (en) * 1980-10-29 1984-02-14 Bayer Aktiengesellschaft Copolymers of cyclic carbonic acid esters and lactams and their production

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1060207B (it) * 1976-01-22 1982-07-10 Snia Viscosa Procedimento per la produzione di poliammidi ad elevata viscosita

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431795A (en) * 1980-10-29 1984-02-14 Bayer Aktiengesellschaft Copolymers of cyclic carbonic acid esters and lactams and their production

Also Published As

Publication number Publication date
FR2023467B1 (https=) 1973-10-19
DE1809341A1 (de) 1970-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse