IT942218B - PROCEDURE FOR THE PRODUCTION OF MOLDED PARTS OF POLYAMIDE - Google Patents

PROCEDURE FOR THE PRODUCTION OF MOLDED PARTS OF POLYAMIDE

Info

Publication number
IT942218B
IT942218B IT5340771A IT5340771A IT942218B IT 942218 B IT942218 B IT 942218B IT 5340771 A IT5340771 A IT 5340771A IT 5340771 A IT5340771 A IT 5340771A IT 942218 B IT942218 B IT 942218B
Authority
IT
Italy
Prior art keywords
polyamide
procedure
production
molded parts
molded
Prior art date
Application number
IT5340771A
Other languages
Italian (it)
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 IT942218B publication Critical patent/IT942218B/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)
IT5340771A 1970-10-14 1971-10-12 PROCEDURE FOR THE PRODUCTION OF MOLDED PARTS OF POLYAMIDE IT942218B (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
IT942218B true IT942218B (en) 1973-03-20

Family

ID=5785110

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5340771A IT942218B (en) 1970-10-14 1971-10-12 PROCEDURE FOR THE PRODUCTION OF MOLDED PARTS OF POLYAMIDE

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
US20220389163A1 (en) * 2019-11-11 2022-12-08 Kureha Corporation Method for producing polyamide, and polyamide

Also Published As

Publication number Publication date
FR2111400A5 (en) 1972-06-02
BE773872A (en) 1972-01-31
ES395984A1 (en) 1973-12-16
CH553236A (en) 1974-08-30
GB1348726A (en) 1974-03-20
NL7114151A (en) 1972-04-18
DE2050440A1 (en) 1972-04-20
CA980965A (en) 1976-01-06

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