DK394975A - Fremgangsmade til kontinuerlig hydrolytisk opspaltning af plastaffald samt snekkemaskine til anvendelse ved udovelse af fremgangsmaden - Google Patents

Fremgangsmade til kontinuerlig hydrolytisk opspaltning af plastaffald samt snekkemaskine til anvendelse ved udovelse af fremgangsmaden

Info

Publication number
DK394975A
DK394975A DK394975A DK394975A DK394975A DK 394975 A DK394975 A DK 394975A DK 394975 A DK394975 A DK 394975A DK 394975 A DK394975 A DK 394975A DK 394975 A DK394975 A DK 394975A
Authority
DK
Denmark
Prior art keywords
procedure
distribution
performance
working machine
plastic waste
Prior art date
Application number
DK394975A
Other languages
Danish (da)
English (en)
Inventor
E Grigat
H Hetzel
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
Publication of DK394975A publication Critical patent/DK394975A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/14—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
    • 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
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in 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
    • B29C48/03—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/911—Recycling consumer used articles or products
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/911—Recycling consumer used articles or products
    • Y10S264/916—From porous material containing articles, e.g. sponge, foam

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing Of Solid Wastes (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polyurethanes Or Polyureas (AREA)
DK394975A 1974-09-04 1975-09-03 Fremgangsmade til kontinuerlig hydrolytisk opspaltning af plastaffald samt snekkemaskine til anvendelse ved udovelse af fremgangsmaden DK394975A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2442387A DE2442387C3 (de) 1974-09-04 1974-09-04 Verfahren zur kontinuierlichen hydrolytischen Aufspaltung von hydrolysierbaren Kunststoffabfällen

Publications (1)

Publication Number Publication Date
DK394975A true DK394975A (da) 1976-03-05

Family

ID=5924871

Family Applications (1)

Application Number Title Priority Date Filing Date
DK394975A DK394975A (da) 1974-09-04 1975-09-03 Fremgangsmade til kontinuerlig hydrolytisk opspaltning af plastaffald samt snekkemaskine til anvendelse ved udovelse af fremgangsmaden

Country Status (11)

Country Link
US (1) US4051212A (xx)
JP (1) JPS5152478A (xx)
BE (1) BE833013A (xx)
DE (1) DE2442387C3 (xx)
DK (1) DK394975A (xx)
ES (1) ES440722A1 (xx)
FR (1) FR2283766A1 (xx)
GB (2) GB1522992A (xx)
IT (1) IT1044454B (xx)
LU (1) LU73301A1 (xx)
NL (1) NL180920C (xx)

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DE2925944A1 (de) * 1979-06-27 1981-01-22 Bayer Ag Verfahren zur herstellung von polyurethanharnstoffen
US4328368A (en) * 1980-05-05 1982-05-04 General Motors Corporation Method for reclaiming polyurethane foam
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JPS5824426A (ja) * 1981-08-05 1983-02-14 Mitsubishi Chem Ind Ltd ポリアミドイミド樹脂の押出成形法
DE3232461A1 (de) * 1982-09-01 1984-03-01 Bayer Ag, 5090 Leverkusen Verfahren zum kontinuierlichen glykolytischen hochtemperatur-abbau von polyurethankunstoffabfaellen in schneckenmaschinen
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DE3817941A1 (de) * 1988-05-27 1989-11-30 Rhodia Ag Extrusionsverfahren und ein-, zwei- oder mehrschneckenextruder
EP0531371B1 (de) * 1990-05-26 1995-12-13 MENGES, Georg Verfahren zur verwertung von organischen abfällen und vorrichtung zur durchführung des verfahrens
US5169870A (en) * 1991-06-21 1992-12-08 Basf Corporation Reclaiming ε-caprolactam from nylon 6 carpet
US5476624A (en) * 1991-07-05 1995-12-19 Kabushiki Kaisha Toyota Chuo Kenkyusho Process for reclaiming waste plastics having a paint film
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US5326791A (en) * 1991-12-20 1994-07-05 Exxon Research And Engineering Company Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively
DE4204094A1 (de) * 1992-02-12 1993-08-19 Arnold Dr Willmes Hydrothermal-verfahren zum abbau von polymeren, insbesondere schwefel-vernetzten elastomeren wie altgummi, zwecks wiederverwertung
US5264640A (en) * 1992-04-06 1993-11-23 S-P Reclamation, Inc. Depolymerization method for resource recovery from polymeric wastes
US5504267A (en) * 1992-04-06 1996-04-02 S-P Reclamation, Inc. Resource recovery by catalytic conversion of polymers
US5369215A (en) * 1992-04-06 1994-11-29 S-P Reclamation, Inc. Depolymerization method for resource recovery from polymeric wastes
JP3025774B2 (ja) * 1992-07-09 2000-03-27 株式会社日本製鋼所 塗装膜を有するプラスチック製品の再生方法
US5458829A (en) * 1992-08-06 1995-10-17 Toyota Jidosha Kabushiki Kaisha Method for continuously recycling waste parts having a coating thereon
US5472305A (en) * 1992-10-29 1995-12-05 Toyota Jidosha Kabushiki Kaisha Sealed rotary feeder
EP0608454B1 (de) * 1993-01-28 1997-08-13 POLYMER ENGINEERING GmbH Verfahren und Vorrichtung zur Herstellung von Polyamid 6 aus Polyamid-Abfällen
US5424013A (en) * 1993-08-09 1995-06-13 Lieberman; Mark Thermoplastic closed loop recycling process
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US5457197A (en) * 1994-04-08 1995-10-10 Alliedsignal Inc. Monomer recovery from multi-component materials
JP3081132B2 (ja) * 1995-04-28 2000-08-28 トヨタ自動車株式会社 塗膜付き樹脂の再生処理方法
US5656757A (en) * 1995-08-10 1997-08-12 Alliedsignal Inc. Monomer recovery from multi-component materials
US5681952A (en) * 1995-12-08 1997-10-28 Alliedsignal Inc. Process for depolymerizing nylon-containing waste to form caprolactam
US5948908A (en) * 1996-03-18 1999-09-07 Alliedsignal Inc. Process for depolymerizing polycaprolactam processing waste to form caprolactam
DE69828498T2 (de) * 1997-02-05 2006-01-19 Kabushiki Kaisha Kobe Seiko Sho, Kobe Apparat und verfahren zum hydrolysieren und zum recycling von isocyanatverbindungen
JP3551734B2 (ja) * 1997-12-01 2004-08-11 ソニー株式会社 硫酸／過酸化物混合液の利用方法
JP3921002B2 (ja) * 1998-01-16 2007-05-30 ジェネラル アトミックス インコーポレイティッド 耐圧反応装置
AU3006999A (en) 1998-03-16 1999-10-11 American Commodities, Inc. Process for removing deleterious surface material from polymeric regrind particles
US6129873A (en) * 1998-04-08 2000-10-10 Eastman Chemical Company Process for removing moisture and volatiles from pellets in single screw extruders
WO2000039205A1 (en) * 1998-12-30 2000-07-06 Pac Polymers Inc. Recovery of recyclable material from a physical combination of it and normally solid poly(alkylene carbonate) material
JP4501013B2 (ja) * 1999-02-26 2010-07-14 三井化学株式会社 ポリオールの精製方法
JP4114562B2 (ja) * 2003-07-11 2008-07-09 株式会社日立製作所 高分子処理方法及びその装置
JP4594797B2 (ja) * 2005-05-27 2010-12-08 富士重工業株式会社 樹脂製品の表面材剥離装置
CN112521656B (zh) * 2020-11-09 2021-11-23 杭州临安华欣塑粉材料有限公司 一种用于聚酯树脂废料加快降解的回收装置及其回收方法
JP2024501461A (ja) 2020-12-14 2024-01-12 コベストロ、ドイチュラント、アクチエンゲゼルシャフト ポリウレタンフォームから原料を回収する方法
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Also Published As

Publication number Publication date
LU73301A1 (xx) 1976-08-13
NL7510298A (nl) 1976-03-08
DE2442387B2 (de) 1980-12-18
JPS557131B2 (xx) 1980-02-22
FR2283766A1 (fr) 1976-04-02
IT1044454B (it) 1980-03-20
BE833013A (fr) 1976-03-03
ES440722A1 (es) 1977-03-16
JPS5152478A (en) 1976-05-10
GB1522992A (en) 1978-08-31
NL180920B (nl) 1986-12-16
DE2442387C3 (de) 1981-09-10
US4051212A (en) 1977-09-27
NL180920C (nl) 1987-05-18
GB1522993A (en) 1978-08-31
DE2442387A1 (de) 1976-03-18
FR2283766B1 (xx) 1979-06-15

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