FR2338963A1 - Procede de production de polyamides de viscosite elevee - Google Patents

Procede de production de polyamides de viscosite elevee

Info

Publication number
FR2338963A1
FR2338963A1 FR7701944A FR7701944A FR2338963A1 FR 2338963 A1 FR2338963 A1 FR 2338963A1 FR 7701944 A FR7701944 A FR 7701944A FR 7701944 A FR7701944 A FR 7701944A FR 2338963 A1 FR2338963 A1 FR 2338963A1
Authority
FR
France
Prior art keywords
production process
high viscosity
viscosity polyamides
polyamides
production
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
FR7701944A
Other languages
English (en)
French (fr)
Other versions
FR2338963B1 (enExample
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of FR2338963A1 publication Critical patent/FR2338963A1/fr
Application granted granted Critical
Publication of FR2338963B1 publication Critical patent/FR2338963B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/109—Esters; Ether-esters of carbonic acid, e.g. R-O-C(=O)-O-R
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7701944A 1976-01-22 1977-01-24 Procede de production de polyamides de viscosite elevee Granted FR2338963A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19471/76A IT1060207B (it) 1976-01-22 1976-01-22 Procedimento per la produzione di poliammidi ad elevata viscosita

Publications (2)

Publication Number Publication Date
FR2338963A1 true FR2338963A1 (fr) 1977-08-19
FR2338963B1 FR2338963B1 (enExample) 1983-12-30

Family

ID=11158289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701944A Granted FR2338963A1 (fr) 1976-01-22 1977-01-24 Procede de production de polyamides de viscosite elevee

Country Status (4)

Country Link
US (1) US4101532A (enExample)
DE (1) DE2702306A1 (enExample)
FR (1) FR2338963A1 (enExample)
IT (1) IT1060207B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507256A (en) * 1983-05-26 1985-03-26 Eastman Kodak Company Process for foaming cellulose acetate rod
US4599388A (en) * 1985-01-16 1986-07-08 Celanese Corporation Process for modifying polybenzimidazole polymers with ethylene carbonates
US5280088A (en) * 1986-02-28 1994-01-18 General Electric Company Thermoplastic blends of a polyamide having low amine end-group concentration and a polymer containing carbonate linkages

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378532A (en) * 1963-09-21 1968-04-16 Bayer Ag Polymer compositions having an increased melt viscosity
DE2511483A1 (de) * 1975-03-15 1976-09-23 Huels Chemische Werke Ag Verfahren zur erhoehung der viskositaet von polylaurinlactam oder mischpolyamiden mit einem gehalt von mindestens 40 gewichtsprozent laurinlactam

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835653A (en) * 1953-03-19 1958-05-20 Polaroid Corp Polyoxyethylene substituted polymers and their preparation
US3496149A (en) * 1964-10-20 1970-02-17 Teijin Ltd Process for producing polyamides of high degree of polymerization
DE1570392A1 (de) * 1965-10-12 1970-01-29 Huels Chemische Werke Ag Verfahren zur Herstellung von Polyamidpulvern erhoehter Viskositaet
DE1720886A1 (de) * 1968-01-13 1972-01-20 Glanzstoff Ag Verfahren zur Verbesserung der Anfaerbbarkeit von Polyamiden
DE1809341A1 (de) * 1968-11-16 1970-06-11 Rhodiaceta Ag Verfahren zur Erhoehung der Viskositaet von Polyamiden

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378532A (en) * 1963-09-21 1968-04-16 Bayer Ag Polymer compositions having an increased melt viscosity
DE2511483A1 (de) * 1975-03-15 1976-09-23 Huels Chemische Werke Ag Verfahren zur erhoehung der viskositaet von polylaurinlactam oder mischpolyamiden mit einem gehalt von mindestens 40 gewichtsprozent laurinlactam

Also Published As

Publication number Publication date
IT1060207B (it) 1982-07-10
DE2702306A1 (de) 1977-07-28
FR2338963B1 (enExample) 1983-12-30
US4101532A (en) 1978-07-18

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Legal Events

Date Code Title Description
ST Notification of lapse