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 fremgangsmadenInfo
- 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
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)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical 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)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyurethanes Or Polyureas (AREA)
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 (da) |
JP (1) | JPS5152478A (da) |
BE (1) | BE833013A (da) |
DE (1) | DE2442387C3 (da) |
DK (1) | DK394975A (da) |
ES (1) | ES440722A1 (da) |
FR (1) | FR2283766A1 (da) |
GB (2) | GB1522993A (da) |
IT (1) | IT1044454B (da) |
LU (1) | LU73301A1 (da) |
NL (1) | NL180920C (da) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2631326A1 (de) * | 1976-07-12 | 1978-01-26 | Kraftwerk Union Ag | Verfahren zum einbinden fluessigkeitshaltiger radioaktiver abfallstoffe und knetvorrichtung dafuer |
DE2703461C2 (de) * | 1977-01-28 | 1985-01-10 | Davy McKee AG, 6000 Frankfurt | Stopwerk zur Vorverdichtung zerkleinerter voluminöser Polymerabfälle |
US4196148A (en) * | 1977-07-18 | 1980-04-01 | Ford Motor Company | Hydrolysis of polyurethane foams |
DE2737693A1 (de) * | 1977-08-20 | 1979-02-22 | Bayer Ag | Wiedergewinnung hochwertiger polycarbonate aus polycarbonat-abfaellen |
GB1601787A (en) * | 1977-08-22 | 1981-11-04 | Ford Motor Co | Hydrolytic decomposition method and apparatus |
JPS5454172A (en) * | 1977-10-07 | 1979-04-28 | Kobe Steel Ltd | Equipment for treting waste gas from injection molding machine |
US4247519A (en) * | 1978-12-04 | 1981-01-27 | Kobe Steel, Ltd. | Exhaust gas treatment device for injection molding machines |
US4281197A (en) * | 1979-06-18 | 1981-07-28 | Ford Motor Company | Hydrolytic decomposition method |
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 |
DE3034680A1 (de) * | 1980-09-13 | 1982-04-29 | Bayer Ag, 5090 Leverkusen | Verbessertes verfahren zur auftrennung von polyurethan-hydrolysaten in polyether und diamin |
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 |
US4663103A (en) * | 1983-08-09 | 1987-05-05 | Collins & Aikman Corporation | Apparatus and method of extrusion |
JPS6076424U (ja) * | 1983-10-28 | 1985-05-28 | 株式会社ゼロエンジニアリング | 電磁式制御装置 |
US4973439A (en) * | 1984-07-13 | 1990-11-27 | Xerox Corporation | Process for preparing toner particles |
JPH0528577Y2 (da) * | 1985-03-20 | 1993-07-22 | ||
JPH0749633Y2 (ja) * | 1985-04-02 | 1995-11-13 | 丸和電子化学株式会社 | カセツトテ−プ用録音・再生機の作動機構 |
GB8609537D0 (en) * | 1986-04-18 | 1986-05-21 | Ici Plc | Polyesters |
FR2622833B1 (fr) * | 1987-11-06 | 1990-04-27 | Omnium Traitement Valorisa | Procede et installation pour la fabrication d'objets moules ou extrudes a partir de dechets contenant des matieres plastiques |
DE3817941A1 (de) * | 1988-05-27 | 1989-11-30 | Rhodia Ag | Extrusionsverfahren und ein-, zwei- oder mehrschneckenextruder |
ATE131519T1 (de) * | 1990-05-26 | 1995-12-15 | 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 |
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 |
MY108226A (en) * | 1991-12-20 | 1996-08-30 | Exxon Research Engineering Co | Process for improving biodegradability of pvc |
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 |
US5369215A (en) * | 1992-04-06 | 1994-11-29 | 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 |
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 |
DE69316100T2 (de) * | 1992-08-06 | 1998-05-20 | Toyota Motor Co Ltd | Verfahren und Anlage zur kontinuierlichen Regenerierung beschichteter Plastikabfälle |
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 |
JP2909577B2 (ja) * | 1993-10-29 | 1999-06-23 | トヨタ自動車株式会社 | 樹脂廃材の再生方法及び装置 |
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 |
US6630517B2 (en) | 1997-02-05 | 2003-10-07 | Kabushiki Kaisha Kobe Seiko Sho | Process for hydrolyzing and recycling a polyurethane |
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 |
JP3523199B2 (ja) | 1998-03-16 | 2004-04-26 | アメリカン・コモディティーズ・インコーポレーテッド | 粉砕再生ポリマー粒子から有害な表面物質を除去するための方法 |
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 |
EP4155341A1 (en) * | 2021-09-27 | 2023-03-29 | Japan Steel Works Europe GmbH | Grade-dependent depolymerization process and its use for recycling plastics |
EP4430112A1 (de) | 2021-11-12 | 2024-09-18 | Covestro Deutschland AG | Verfahren zur wiedergewinnung von rohstoffen aus polyurethanprodukten |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR926211A (fr) * | 1946-05-02 | 1947-09-25 | Rhodiaceta | Procédé pour le traitement de déchets de polyuréthanes |
US2838801A (en) * | 1957-03-29 | 1958-06-17 | Dow Chemical Co | Process for making fire-resistant cellular vinyl aromatic polymer articles |
DE1302684B (da) * | 1961-06-21 | 1971-04-01 | Automatic Process Control Inc | |
US3225094A (en) * | 1962-06-15 | 1965-12-21 | Du Pont | Preparation of polyamines by steam hydrolysis of polyisocyanate reaction products |
GB1093884A (en) * | 1964-03-30 | 1967-12-06 | Bridgestone Tire Co Ltd | Method of recovering polyol and amine derivatives by the decomposition of polyurethane substances |
US3551943A (en) * | 1966-12-19 | 1971-01-05 | Exxon Research Engineering Co | Controlled degradation |
US3499952A (en) * | 1967-01-19 | 1970-03-10 | Phillips Petroleum Co | Pressure regulation in visbreaking extruder |
US3703488A (en) * | 1968-03-22 | 1972-11-21 | Goodyear Tire & Rubber | Process for reuse of polyester resin |
DE2049974B2 (de) * | 1970-10-12 | 1977-05-18 | Ficker, Stefan, 8000 München | Vorrichtung zum kontinuierlichen, drucklosen und trockenen regenerieren von gummiabfaellen |
US3917507A (en) * | 1971-02-22 | 1975-11-04 | Welding Engineers | Countercurrent combined liquid and vapor stripping in screw devolatilizer |
CA1016955A (en) * | 1972-12-18 | 1977-09-06 | Ford Motor Company Of Canada | Low pressure hydrolysis of polyurethane foam and recovery of products |
CA1018537A (en) * | 1972-12-18 | 1977-10-04 | Olin B. Johnson | Method for continuous hydrolysis of polyurethane foam in fluidized bed and recovery of products therefrom |
US4025559A (en) * | 1972-12-18 | 1977-05-24 | Ford Motor Company | Method for continuous hydrolysis of polyurethane foam in restricted tubular reaction zone and recovery |
US3959357A (en) * | 1973-02-23 | 1976-05-25 | Japan Steel Works, Ltd. | Method for continuously thermally decomposing synthetic macro-molecule materials |
US3954681A (en) * | 1973-05-25 | 1976-05-04 | Whittaker Corporation | Method of reclaiming cured polyurethane elastomers |
-
1974
- 1974-09-04 DE DE2442387A patent/DE2442387C3/de not_active Expired
-
1975
- 1975-08-29 US US05/608,853 patent/US4051212A/en not_active Expired - Lifetime
- 1975-09-01 NL NL7510298A patent/NL180920C/xx not_active IP Right Cessation
- 1975-09-01 GB GB917478A patent/GB1522993A/en not_active Expired
- 1975-09-01 GB GB3588875A patent/GB1522992A/en not_active Expired
- 1975-09-02 LU LU73301A patent/LU73301A1/xx unknown
- 1975-09-02 IT IT5115875A patent/IT1044454B/it active
- 1975-09-03 BE BE159694A patent/BE833013A/xx not_active IP Right Cessation
- 1975-09-03 DK DK394975A patent/DK394975A/da not_active Application Discontinuation
- 1975-09-04 JP JP10658875A patent/JPS5152478A/ja active Granted
- 1975-09-04 ES ES440722A patent/ES440722A1/es not_active Expired
- 1975-09-04 FR FR7527205A patent/FR2283766A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1522993A (en) | 1978-08-31 |
IT1044454B (it) | 1980-03-20 |
NL180920C (nl) | 1987-05-18 |
DE2442387C3 (de) | 1981-09-10 |
GB1522992A (en) | 1978-08-31 |
NL180920B (nl) | 1986-12-16 |
BE833013A (fr) | 1976-03-03 |
JPS5152478A (en) | 1976-05-10 |
JPS557131B2 (da) | 1980-02-22 |
ES440722A1 (es) | 1977-03-16 |
FR2283766A1 (fr) | 1976-04-02 |
DE2442387B2 (de) | 1980-12-18 |
DE2442387A1 (de) | 1976-03-18 |
LU73301A1 (da) | 1976-08-13 |
FR2283766B1 (da) | 1979-06-15 |
NL7510298A (nl) | 1976-03-08 |
US4051212A (en) | 1977-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |