CA980965A - Production of polyamide mouldings by the activated anionic polymerisation of lactams in injection-mouldings apparatus - Google Patents

Production of polyamide mouldings by the activated anionic polymerisation of lactams in injection-mouldings apparatus

Info

Publication number
CA980965A
CA980965A CA124,892A CA124892A CA980965A CA 980965 A CA980965 A CA 980965A CA 124892 A CA124892 A CA 124892A CA 980965 A CA980965 A CA 980965A
Authority
CA
Canada
Prior art keywords
mouldings
lactams
injection
production
polyamide
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
CA124,892A
Other versions
CA124892S (en
Inventor
Bert Brassat
Heinz J. Rosenbaum
Klaus Reinking
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
Application granted granted Critical
Publication of CA980965A publication Critical patent/CA980965A/en
Expired 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
    • C08G69/08—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)
CA124,892A 1970-10-14 1971-10-12 Production of polyamide mouldings by the activated anionic polymerisation of lactams in injection-mouldings apparatus Expired CA980965A (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
CA980965A true CA980965A (en) 1976-01-06

Family

ID=5785110

Family Applications (1)

Application Number Title Priority Date Filing Date
CA124,892A Expired CA980965A (en) 1970-10-14 1971-10-12 Production of polyamide mouldings by the activated anionic polymerisation of lactams in injection-mouldings apparatus

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
DE2050440A1 (en) 1972-04-20
IT942218B (en) 1973-03-20
NL7114151A (en) 1972-04-18
FR2111400A5 (en) 1972-06-02
GB1348726A (en) 1974-03-20
ES395984A1 (en) 1973-12-16
CH553236A (en) 1974-08-30
BE773872A (en) 1972-01-31

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