CA1027281A - Process and composition for internal cleaning of extruders - Google Patents

Process and composition for internal cleaning of extruders

Info

Publication number
CA1027281A
CA1027281A CA167,953A CA167953A CA1027281A CA 1027281 A CA1027281 A CA 1027281A CA 167953 A CA167953 A CA 167953A CA 1027281 A CA1027281 A CA 1027281A
Authority
CA
Canada
Prior art keywords
extruders
composition
internal cleaning
cleaning
internal
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
CA167,953A
Other languages
English (en)
French (fr)
Other versions
CA167953S (en
Inventor
Donald N. Miller
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA1027281A publication Critical patent/CA1027281A/en
Expired legal-status Critical Current

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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
    • B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • 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
    • 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
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA167,953A 1972-05-01 1973-04-04 Process and composition for internal cleaning of extruders Expired CA1027281A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24895872A 1972-05-01 1972-05-01

Publications (1)

Publication Number Publication Date
CA1027281A true CA1027281A (en) 1978-02-28

Family

ID=22941434

Family Applications (1)

Application Number Title Priority Date Filing Date
CA167,953A Expired CA1027281A (en) 1972-05-01 1973-04-04 Process and composition for internal cleaning of extruders

Country Status (5)

Country Link
US (1) US3776774A (oth)
JP (1) JPS5858223B2 (oth)
CA (1) CA1027281A (oth)
DE (1) DE2321883C2 (oth)
GB (1) GB1427987A (oth)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425288A (en) 1982-09-17 1984-01-10 Phillips Petroleum Company Process for cleaning metal surfaces
US4750274A (en) * 1987-01-27 1988-06-14 Joy Manufacturing Co. Sludge processing
US4980030A (en) * 1987-04-02 1990-12-25 Haden Schweitzer Method for treating waste paint sludge
US4838948A (en) * 1987-07-27 1989-06-13 Phillips Petroleum Company Process for cleaning polymer processing equipment
US4976788A (en) * 1988-06-03 1990-12-11 Kimberly-Clark Corporation Method of cleaning melt-processing equipment with a thermoplastic polyolefin and a bifunctional siloxane
DE4041326A1 (de) * 1990-12-21 1992-06-25 Bosch Siemens Hausgeraete Verfahren und vorrichtung zum reinigen von verteilerkanaelen und duesen einer heisskanalplatte fuer ein spritzgusswerkzeug und/oder fuer eine spritzgiessmaschine
CA2057956C (en) * 1991-01-11 2003-09-09 James W. Schmitkons Method and apparatus for cleaning a mixer
DE19858672A1 (de) * 1998-12-18 2000-06-21 Basf Ag Reinigungsmasse für Extruder
DE10135318A1 (de) * 2001-07-19 2003-01-30 Bayer Ag Verfahren zum Entfernen von Ablagerungen an chemischen Reaktoren
US8080506B2 (en) * 2009-07-14 2011-12-20 MSI Technology LLC. Reactive purge compound for polymer purging
CN105556236B (zh) * 2013-07-22 2020-03-06 英尼奥斯欧洲股份公司 用于清洁热交换器的方法
US11578144B2 (en) 2018-05-23 2023-02-14 2569924 Ontario Inc. Compositions and methods for removing contaminants from plastics processing equipment
JP7008575B2 (ja) * 2018-05-24 2022-02-10 株式会社クラレ フィルムの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346228A (en) * 1940-06-25 1944-04-11 Carbide & Carbon Chem Corp Method and composition for purging plastic fabricating machines
US2541201A (en) * 1948-08-28 1951-02-13 Nat Rubber Machinery Co Method of extrusion
US2779696A (en) * 1954-03-04 1957-01-29 Western Electric Co Method of cleaning extruders
US2744841A (en) * 1955-05-20 1956-05-08 Standard Oil Co Removing polyethylene from metal surfaces
US3071498A (en) * 1960-11-09 1963-01-01 Western Electric Co Methods of and compositions for cleaning plastics extruders
US3119720A (en) * 1962-06-21 1964-01-28 Nat Distillers Chem Corp Polyolefin removal method

Also Published As

Publication number Publication date
GB1427987A (en) 1976-03-10
DE2321883C2 (de) 1983-07-21
DE2321883A1 (de) 1973-11-15
JPS5858223B2 (ja) 1983-12-23
JPS4947467A (oth) 1974-05-08
US3776774A (en) 1973-12-04

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19950228