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ZA833107B - Polyolefin extrusion process and apparatus - Google Patents

Polyolefin extrusion process and apparatus

Info

Publication number
ZA833107B
ZA833107B ZA833107A ZA833107A ZA833107B ZA 833107 B ZA833107 B ZA 833107B ZA 833107 A ZA833107 A ZA 833107A ZA 833107 A ZA833107 A ZA 833107A ZA 833107 B ZA833107 B ZA 833107B
Authority
ZA
South Africa
Prior art keywords
extrusion process
polyolefin extrusion
polyolefin
extrusion
Prior art date
Application number
ZA833107A
Other languages
English (en)
Inventor
John Richard Dearborn Jr
Kenneth George Schursky
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of ZA833107B publication Critical patent/ZA833107B/xx

Links

Classifications

    • 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
    • B29C48/505—Screws
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
    • 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
    • B29C48/505—Screws
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
ZA833107A 1982-05-03 1983-05-02 Polyolefin extrusion process and apparatus ZA833107B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37407882A 1982-05-03 1982-05-03

Publications (1)

Publication Number Publication Date
ZA833107B true ZA833107B (en) 1984-02-29

Family

ID=23475179

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA833107A ZA833107B (en) 1982-05-03 1983-05-02 Polyolefin extrusion process and apparatus

Country Status (5)

Country Link
EP (1) EP0093449A1 (el)
JP (1) JPS58201625A (el)
AU (1) AU1414783A (el)
GR (1) GR78137B (el)
ZA (1) ZA833107B (el)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT2131977E (pt) 2007-03-10 2015-02-05 Cool Options Inc Concepção de parafuso e método para moldagem por injecção de metal
WO2016081077A1 (en) 2014-11-19 2016-05-26 Exxonmobil Chemical Patents Inc. Structural element for gel reducing, as well as gel reducing apparatus and method
DE102017113836B4 (de) * 2017-06-22 2022-04-21 KraussMaffei Extrusion GmbH Extruderschnecke, Extrusionsvorrichtung mit Extruderschnecke sowie Verfahren zum Plastifizieren eines Kunststoffes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486192A (en) * 1967-03-24 1969-12-30 Union Carbide Corp Apparatus for extrusion of thermoplastics
US4343755A (en) * 1978-09-06 1982-08-10 Union Carbide Corporation Process for extruding ethylene polymers

Also Published As

Publication number Publication date
AU1414783A (en) 1983-11-10
JPS6153216B2 (el) 1986-11-17
JPS58201625A (ja) 1983-11-24
GR78137B (el) 1984-09-26
EP0093449A1 (en) 1983-11-09

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