CA1011069A - Extrusion of high molecular weight polyolefin - Google Patents

Extrusion of high molecular weight polyolefin

Info

Publication number
CA1011069A
CA1011069A CA165,032A CA165032A CA1011069A CA 1011069 A CA1011069 A CA 1011069A CA 165032 A CA165032 A CA 165032A CA 1011069 A CA1011069 A CA 1011069A
Authority
CA
Canada
Prior art keywords
extrusion
molecular weight
high molecular
weight polyolefin
polyolefin
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
CA165,032A
Other languages
English (en)
Other versions
CA165032S (en
Inventor
Colin W. Evans
William Berry
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.)
Dunlop Ltd
Original Assignee
Dunlop Ltd
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 Dunlop Ltd filed Critical Dunlop Ltd
Application granted granted Critical
Publication of CA1011069A publication Critical patent/CA1011069A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • B29C48/48—Two or more rams or pistons
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA165,032A 1972-03-04 1973-02-26 Extrusion of high molecular weight polyolefin Expired CA1011069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1022172A GB1423138A (en) 1972-03-04 1972-03-04 Method of making articles

Publications (1)

Publication Number Publication Date
CA1011069A true CA1011069A (en) 1977-05-31

Family

ID=9963841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA165,032A Expired CA1011069A (en) 1972-03-04 1973-02-26 Extrusion of high molecular weight polyolefin

Country Status (9)

Country Link
JP (1) JPS48103662A (US06168776-20010102-C00028.png)
BE (1) BE845411Q (US06168776-20010102-C00028.png)
CA (1) CA1011069A (US06168776-20010102-C00028.png)
DE (1) DE2310938A1 (US06168776-20010102-C00028.png)
ES (1) ES412302A1 (US06168776-20010102-C00028.png)
FR (1) FR2174921B1 (US06168776-20010102-C00028.png)
GB (1) GB1423138A (US06168776-20010102-C00028.png)
IN (1) IN138260B (US06168776-20010102-C00028.png)
SE (1) SE395398B (US06168776-20010102-C00028.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641485A1 (de) * 1976-09-15 1978-03-23 Australasian Training Aids Pty Zielscheibe
DE2836052C2 (de) * 1978-08-17 1984-08-30 Ruhrchemie Ag, 4200 Oberhausen Ramextruder zum Herstellen von Kunststoffrohren
US4341827A (en) * 1979-09-05 1982-07-27 Bethlehem Steel Corporation Biaxially oriented thermoplastic polymer film and method of manufacture
DE3578399D1 (de) * 1984-04-13 1990-08-02 Nat Res Dev Verfahren zum verformen im festen zustand.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB898104A (en) * 1959-12-30 1962-06-06 Ici Ltd Polythene compositions
FR1338206A (fr) * 1961-11-30 1963-09-20 Exxon Research Engineering Co Compositions polyoléfiniques chargées
GB998063A (en) * 1963-02-18 1965-07-14 Du Pont Process and apparatus for the extrusion of fusible polymers
GB1110953A (en) * 1964-09-11 1968-04-24 Phillips Petroleum Co Improvements in carbon black reinforced polyolefin compositions
US3455863A (en) * 1965-12-20 1969-07-15 Phillips Petroleum Co Extrusion of thermoplastic polymers containing lubricant and carbon black
FR1546062A (fr) * 1966-11-25 1968-11-15 Grace W R & Co Compositions contenant un polymère oléfinique, et un produit de charge et leur application à la production de films non perméables
GB1220182A (en) * 1968-02-27 1971-01-20 Ici Ltd Reinforced thermoplastic composite materials
DE2026834C3 (de) * 1969-06-03 1974-01-17 Tore Jan Boerje Haelsingborg Aakesson (Schweden) Schneckenpresse mit einer in einem Schneckengehäuse drehbar angeordneten Einzel schnecke zum Plastizieren von Kunststoff
NL6913102A (US06168776-20010102-C00028.png) * 1969-08-27 1971-03-02
JPS4948860A (US06168776-20010102-C00028.png) * 1972-09-20 1974-05-11

Also Published As

Publication number Publication date
JPS48103662A (US06168776-20010102-C00028.png) 1973-12-26
IN138260B (US06168776-20010102-C00028.png) 1976-01-10
BE845411Q (fr) 1976-12-16
DE2310938A1 (de) 1973-09-13
ES412302A1 (es) 1976-05-01
FR2174921A1 (US06168776-20010102-C00028.png) 1973-10-19
GB1423138A (en) 1976-01-28
FR2174921B1 (US06168776-20010102-C00028.png) 1978-04-14
SE395398B (sv) 1977-08-15

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