ES395984A1 - Procedimiento para la obtencion de piezas moldeadas de po- liamida. - Google Patents

Procedimiento para la obtencion de piezas moldeadas de po- liamida.

Info

Publication number
ES395984A1
ES395984A1 ES395984A ES395984A ES395984A1 ES 395984 A1 ES395984 A1 ES 395984A1 ES 395984 A ES395984 A ES 395984A ES 395984 A ES395984 A ES 395984A ES 395984 A1 ES395984 A1 ES 395984A1
Authority
ES
Spain
Prior art keywords
carbon atoms
radical
atmospheres
pressure
alkyl radical
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
ES395984A
Other languages
English (en)
Spanish (es)
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of ES395984A1 publication Critical patent/ES395984A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14Lactams
    • C08G69/16Preparatory processes
    • C08G69/18Anionic polymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14Lactams
    • C08G69/16Preparatory processes
    • C08G69/18Anionic polymerisation
    • C08G69/20Anionic polymerisation characterised by the catalysts used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Polyamides (AREA)
ES395984A 1970-10-14 1971-10-14 Procedimiento para la obtencion de piezas moldeadas de po- liamida. Expired ES395984A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702050440 DE2050440A1 (de) 1970-10-14 1970-10-14 Herstellung von Formteilen aus Polyamiden durch aktivierte anionische Polymerisation von Lactamen in Spritz gußmaschinen

Publications (1)

Publication Number Publication Date
ES395984A1 true ES395984A1 (es) 1973-12-16

Family

ID=5785110

Family Applications (1)

Application Number Title Priority Date Filing Date
ES395984A Expired ES395984A1 (es) 1970-10-14 1971-10-14 Procedimiento para la obtencion de piezas moldeadas de po- liamida.

Country Status (9)

Country Link
BE (1) BE773872A (fr)
CA (1) CA980965A (fr)
CH (1) CH553236A (fr)
DE (1) DE2050440A1 (fr)
ES (1) ES395984A1 (fr)
FR (1) FR2111400A5 (fr)
GB (1) GB1348726A (fr)
IT (1) IT942218B (fr)
NL (1) NL7114151A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944629A (en) * 1974-06-24 1976-03-16 Monsanto Company Polyester initiated anionic catalyzed polymerization of lactam
JPS5959427A (ja) * 1982-09-30 1984-04-05 Ube Ind Ltd 反応射出成形方法
DE10303882A1 (de) * 2003-01-31 2004-08-12 Hennecke Gmbh Verfahren zur Herstellung von Polyurethan-Formteilen
US20220389163A1 (en) * 2019-11-11 2022-12-08 Kureha Corporation Method for producing polyamide, and polyamide

Also Published As

Publication number Publication date
IT942218B (it) 1973-03-20
NL7114151A (fr) 1972-04-18
CA980965A (en) 1976-01-06
BE773872A (fr) 1972-01-31
FR2111400A5 (fr) 1972-06-02
DE2050440A1 (de) 1972-04-20
GB1348726A (en) 1974-03-20
CH553236A (de) 1974-08-30

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