CH553236A - Process for the production of molded parts from polyamides - Google Patents

Process for the production of molded parts from polyamides

Info

Publication number
CH553236A
CH553236A CH1493471A CH1493471A CH553236A CH 553236 A CH553236 A CH 553236A CH 1493471 A CH1493471 A CH 1493471A CH 1493471 A CH1493471 A CH 1493471A CH 553236 A CH553236 A CH 553236A
Authority
CH
Switzerland
Prior art keywords
polyamides
production
molded parts
molded
parts
Prior art date
Application number
CH1493471A
Other languages
German (de)
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 CH553236A publication Critical patent/CH553236A/en

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
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection 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
    • 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
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • C08G69/20—Anionic 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)
CH1493471A 1970-10-14 1971-10-13 Process for the production of molded parts from polyamides CH553236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702050440 DE2050440A1 (en) 1970-10-14 1970-10-14 Manufacture of molded parts from polyamides by activated anionic polymerization of lactams in injection molding machines

Publications (1)

Publication Number Publication Date
CH553236A true CH553236A (en) 1974-08-30

Family

ID=5785110

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1493471A CH553236A (en) 1970-10-14 1971-10-13 Process for the production of molded parts from polyamides

Country Status (9)

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

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 (en) * 1982-09-30 1984-04-05 Ube Ind Ltd Process for reaction injection molding
DE10303882A1 (en) * 2003-01-31 2004-08-12 Hennecke Gmbh Process for the production of molded polyurethane parts
WO2021095482A1 (en) * 2019-11-11 2021-05-20 株式会社クレハ Method for producing polyamide, and polyamide

Also Published As

Publication number Publication date
BE773872A (en) 1972-01-31
GB1348726A (en) 1974-03-20
ES395984A1 (en) 1973-12-16
NL7114151A (en) 1972-04-18
CA980965A (en) 1976-01-06
FR2111400A5 (en) 1972-06-02
DE2050440A1 (en) 1972-04-20
IT942218B (en) 1973-03-20

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Legal Events

Date Code Title Description
PL Patent ceased