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FR1401836A - Method and device for the manufacture of molded parts of polyamides - Google Patents

Method and device for the manufacture of molded parts of polyamides

Info

Publication number
FR1401836A
FR1401836A FR982237A FR982237A FR1401836A FR 1401836 A FR1401836 A FR 1401836A FR 982237 A FR982237 A FR 982237A FR 982237 A FR982237 A FR 982237A FR 1401836 A FR1401836 A FR 1401836A
Authority
FR
France
Prior art keywords
polyamides
manufacture
molded parts
molded
parts
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
FR982237A
Other languages
French (fr)
Inventor
Dr Gerhard Illing
Dr Franz Zahradnik
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.)
Werner and Pfleiderer GmbH
Original Assignee
Werner and Pfleiderer GmbH
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 Werner and Pfleiderer GmbH filed Critical Werner and Pfleiderer GmbH
Priority to FR982237A priority Critical patent/FR1401836A/en
Application granted granted Critical
Publication of FR1401836A publication Critical patent/FR1401836A/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws

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)
  • Mechanical Engineering (AREA)
FR982237A 1963-07-23 1964-07-20 Method and device for the manufacture of molded parts of polyamides Expired FR1401836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR982237A FR1401836A (en) 1963-07-23 1964-07-20 Method and device for the manufacture of molded parts of polyamides

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB0072802 1963-07-23
FR982237A FR1401836A (en) 1963-07-23 1964-07-20 Method and device for the manufacture of molded parts of polyamides

Publications (1)

Publication Number Publication Date
FR1401836A true FR1401836A (en) 1965-06-04

Family

ID=25966707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982237A Expired FR1401836A (en) 1963-07-23 1964-07-20 Method and device for the manufacture of molded parts of polyamides

Country Status (1)

Country Link
FR (1) FR1401836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2970970A1 (en) * 2011-07-11 2012-08-03 Rhodia Operations STABILIZED POLYAMIDE COMPOSITION

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2970970A1 (en) * 2011-07-11 2012-08-03 Rhodia Operations STABILIZED POLYAMIDE COMPOSITION
WO2013007644A1 (en) * 2011-07-11 2013-01-17 Rhodia Operations Use of a polyamide chain extending compound as a stabilizing agent

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