CH450719A - Verfahren zur Erhöhung des Molekulargewichtes eines Polyamids - Google Patents

Verfahren zur Erhöhung des Molekulargewichtes eines Polyamids

Info

Publication number
CH450719A
CH450719A CH768965A CH768965A CH450719A CH 450719 A CH450719 A CH 450719A CH 768965 A CH768965 A CH 768965A CH 768965 A CH768965 A CH 768965A CH 450719 A CH450719 A CH 450719A
Authority
CH
Switzerland
Prior art keywords
polyamide
increasing
molecular weight
molecular
weight
Prior art date
Application number
CH768965A
Other languages
English (en)
Inventor
Ward Ramsey Keith
Howard Dunnill John
Original Assignee
British Nylon Spinners Ltd
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 British Nylon Spinners Ltd filed Critical British Nylon Spinners Ltd
Publication of CH450719A publication Critical patent/CH450719A/de

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
    • 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
    • C08G69/06—Solid state polycondensation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Artificial Filaments (AREA)
CH768965A 1964-06-03 1965-06-02 Verfahren zur Erhöhung des Molekulargewichtes eines Polyamids CH450719A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22888/64A GB1044128A (en) 1964-06-03 1964-06-03 Polyamides and a process and apparatus for their production

Publications (1)

Publication Number Publication Date
CH450719A true CH450719A (de) 1968-01-31

Family

ID=10186677

Family Applications (1)

Application Number Title Priority Date Filing Date
CH768965A CH450719A (de) 1964-06-03 1965-06-02 Verfahren zur Erhöhung des Molekulargewichtes eines Polyamids

Country Status (6)

Country Link
US (1) US3420804A (de)
BE (1) BE664879A (de)
CH (1) CH450719A (de)
GB (1) GB1044128A (de)
LU (1) LU48753A1 (de)
NL (1) NL6507024A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624193A (en) * 1969-02-25 1971-11-30 Du Pont Polyamide filamentmaking process including solid-state polymerization
NL8001764A (nl) * 1980-03-26 1981-10-16 Stamicarbon Bereiding van hoogmoleculair polytramethyleenadipamide.
DE4027063C2 (de) * 1990-08-27 1994-02-03 Inventa Ag Verfahren zur Herstellung von besonders hochmolekularen Polyamidfasern sowie nach diesem Verfahren herstellbare Polyamidfasern
DE19510698C3 (de) * 1995-03-14 2003-02-27 Inventa Fischer Gmbh Verfahren zur Herstellung von Polyamiden
DE19854689A1 (de) * 1998-11-26 2000-06-08 Buehler Ag Verfahren und Vorrichtung zur Aufbereitung eines thermoplastischen Polykondensats
US20090258226A1 (en) 2007-10-17 2009-10-15 Invista North America S.A R.L. Preparation of very high molecular weight polyamide filaments
US20120065339A1 (en) 2010-09-10 2012-03-15 Basf Se Process for producing polyamide that is stable during processing
EP2614105B2 (de) † 2010-09-10 2022-05-18 Basf Se Verfahren zur herstellung von verarbeitungsstabilem polyamid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551476A (de) * 1955-10-08
GB802970A (en) * 1955-12-09 1958-10-15 Du Pont Improvements in or relating to the preparation of high molecular weight synthetic linear polyamides
GB806088A (en) * 1956-04-12 1958-12-17 Du Pont Improvements in or relating to molding powders of high strength synthetic linear polyamides
NL252288A (de) * 1959-06-16

Also Published As

Publication number Publication date
LU48753A1 (de) 1965-08-03
NL6507024A (de) 1965-12-06
GB1044128A (en) 1966-09-28
BE664879A (de) 1965-12-03
US3420804A (en) 1969-01-07

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