DE2557172C3 - Verfahren zum Aufarbeiten von starren Polyurethanschaumstoffabfällen - Google Patents
Verfahren zum Aufarbeiten von starren PolyurethanschaumstoffabfällenInfo
- Publication number
- DE2557172C3 DE2557172C3 DE2557172A DE2557172A DE2557172C3 DE 2557172 C3 DE2557172 C3 DE 2557172C3 DE 2557172 A DE2557172 A DE 2557172A DE 2557172 A DE2557172 A DE 2557172A DE 2557172 C3 DE2557172 C3 DE 2557172C3
- Authority
- DE
- Germany
- Prior art keywords
- polyol
- decomposition
- polyurethane foam
- foam
- rigid polyurethane
- 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
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title claims description 44
- 239000011496 polyurethane foam Substances 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 31
- 230000008569 process Effects 0.000 title claims description 14
- 239000002699 waste material Substances 0.000 title claims description 10
- 150000003077 polyols Chemical class 0.000 claims description 61
- 229920005862 polyol Polymers 0.000 claims description 53
- 239000000203 mixture Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 19
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 17
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 description 59
- 239000006260 foam Substances 0.000 description 24
- 239000007788 liquid Substances 0.000 description 23
- 239000002904 solvent Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 16
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 15
- 238000005187 foaming Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- -1 amine compound Chemical class 0.000 description 9
- 230000000704 physical effect Effects 0.000 description 8
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 7
- 229930006000 Sucrose Natural products 0.000 description 7
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000005720 sucrose Substances 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 6
- 229940029284 trichlorofluoromethane Drugs 0.000 description 6
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229920000582 polyisocyanurate Polymers 0.000 description 5
- 239000011495 polyisocyanurate Substances 0.000 description 5
- 239000003380 propellant Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 229960002887 deanol Drugs 0.000 description 4
- 239000012972 dimethylethanolamine Substances 0.000 description 4
- 150000002009 diols Chemical class 0.000 description 4
- 229920001451 polypropylene glycol Polymers 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000011877 solvent mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- QYWQDUIWSIGVGO-UHFFFAOYSA-N 2-aminoethanol;2-(2-hydroxyethoxy)ethanol Chemical compound NCCO.OCCOCCO QYWQDUIWSIGVGO-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 2
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 description 1
- RKQURXGBRWOYPJ-UHFFFAOYSA-N CN(CCO)C.CC(COC(C)CO)O Chemical compound CN(CCO)C.CC(COC(C)CO)O RKQURXGBRWOYPJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- XVEOUOTUJBYHNL-UHFFFAOYSA-N heptane-2,4-diol Chemical compound CCCC(O)CC(C)O XVEOUOTUJBYHNL-UHFFFAOYSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
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
- C08J11/18—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 organic material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14499574A JPS5171381A (en) | 1974-12-19 | 1974-12-19 | Horiuretanfuoomuno bunkaikaishuho |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2557172A1 DE2557172A1 (de) | 1976-06-24 |
| DE2557172B2 DE2557172B2 (de) | 1978-08-31 |
| DE2557172C3 true DE2557172C3 (de) | 1979-04-26 |
Family
ID=15375011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2557172A Expired DE2557172C3 (de) | 1974-12-19 | 1975-12-18 | Verfahren zum Aufarbeiten von starren Polyurethanschaumstoffabfällen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4014809A (OSRAM) |
| JP (1) | JPS5171381A (OSRAM) |
| DE (1) | DE2557172C3 (OSRAM) |
| FR (1) | FR2295055A1 (OSRAM) |
| GB (1) | GB1480560A (OSRAM) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2542022C2 (de) * | 1975-09-20 | 1982-10-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von aktivierten, zur Herstellung von Polyurethankunststoffen wiederverwendbaren Polyhydroxylverbindungen |
| GB1527290A (en) * | 1975-11-17 | 1978-10-04 | Roth Sa Freres | Moulding cellular polycarbodiimide |
| DE2638759A1 (de) * | 1976-08-27 | 1978-03-09 | Bayer Ag | Loesungen von polyisocyanat-polyadditionsprodukten |
| DE2711145A1 (de) * | 1977-03-15 | 1978-09-21 | Bayer Ag | Verfahren zur spaltung von polyurethankunststoffen |
| DE2738572C3 (de) * | 1977-08-26 | 1979-11-29 | 7080 Aalen | Verfahren zum Herstellen polyolhaltiger Flüssigkeiten aus Polyurethanabfällen |
| DE2951617C2 (de) * | 1979-12-21 | 1985-08-14 | Wilhelm Prof. Dr.-Ing. 5100 Aachen Schütz | Verfahren und Anlage zur Aufbereitung von Polyurethan |
| DE3033330A1 (de) * | 1980-09-04 | 1982-04-29 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von fluessigen gemischen von isocyanatgruppen aufweisenden verbindungen, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen |
| US4317939A (en) * | 1981-02-23 | 1982-03-02 | Ford Motor Company | Catalyzed dissolution-hydrolysis of polyurethane wastes |
| US4316992A (en) * | 1981-02-23 | 1982-02-23 | Ford Motor Company | Process for polyol recovery from polyurethane foam comprising alcohol and steam hydrolysis |
| US4336406A (en) * | 1981-02-24 | 1982-06-22 | Ford Motor Company | Polyol extraction by high boiling alkanes |
| DE3232461A1 (de) * | 1982-09-01 | 1984-03-01 | Bayer Ag, 5090 Leverkusen | Verfahren zum kontinuierlichen glykolytischen hochtemperatur-abbau von polyurethankunstoffabfaellen in schneckenmaschinen |
| DE3820597A1 (de) * | 1988-06-16 | 1989-12-21 | Inst Chimii Drevesiny Akademii | Polyolkomponente und eine mischung auf ihrer grundlage zur herstellung von polyisozyanurat- und polyurethanschaumstoffen |
| DE4024601C2 (de) * | 1990-08-02 | 1997-04-03 | Gunter Prof Dr Bauer | Verfahren zur Herstellung polyolhaltiger Dispersionen und deren Verwendung |
| US5672631A (en) * | 1991-04-24 | 1997-09-30 | Pauls; Mathias | Method for processing packaging remnants with recovery of materials |
| US5585412A (en) * | 1991-11-01 | 1996-12-17 | Olin Corporation | Process for preparing flexible CFC-free polyurethane foams using an encapsulated blowing agent |
| US5814674A (en) * | 1992-04-23 | 1998-09-29 | Rathor Ag | Method for processing residue-containing packages |
| JPH06184513A (ja) * | 1992-10-09 | 1994-07-05 | Inoac Corp | エポキシ系接着助剤の製造方法及びエポキシ系接着剤 |
| DE4234335A1 (de) | 1992-10-12 | 1994-04-14 | Basf Schwarzheide Gmbh | Verfahren zur Herstellung von Recyclatpolyolen und deren Verwendung bei der Herstellung von Polyurethanen |
| DE4411864A1 (de) * | 1994-04-08 | 1995-10-12 | Basf Schwarzheide Gmbh | Verfahren zur Herstellung von harten bis zähharten Polyurethanschaumstoffen mit erhöhtem Anteil an offenen Zellen und vermindertem Schrumpf |
| DE4442379A1 (de) | 1994-11-29 | 1996-05-30 | Bayer Ag | Verfahren zum glykolytischen Abbau von Polyurethankunststoffen |
| WO1999054392A1 (de) * | 1998-04-16 | 1999-10-28 | Epik Entwicklung Und Produktion Innovativer Kunststoffe Gmbh | Verfahren zur herstellung von polyolen sowie polyole |
| CN102395619B (zh) * | 2009-04-15 | 2013-06-12 | 因温斯特技术公司 | 改进否则不溶混的化合物的溶混性 |
| DE102009026898A1 (de) | 2009-06-10 | 2010-12-16 | Lambda One Isoliertechnik Gmbh | Verfahren zur Herstellung von Polyolkomponenten für Polyurethane aus Polyurethan-Hartschaumstoffabfällen |
| JP2011246569A (ja) * | 2010-05-26 | 2011-12-08 | Inoac Corp | リサイクル可能なポリウレタンフォーム、再生ポリオールの製造方法及び再生ポリオールを用いるポリウレタンフォームの製造方法 |
| DE102016122276A1 (de) | 2016-11-18 | 2018-05-24 | H & S Anlagentechnik Gmbh | Recyclingpolyol |
| DE102016122275B4 (de) | 2016-11-18 | 2020-04-02 | H & S Anlagentechnik Gmbh | Verfahren zur Herstellung von Polyoldispersionen aus Polyurethanabfällen und deren Verwendung |
| CN109912961A (zh) * | 2019-04-04 | 2019-06-21 | 张宏春 | 一种塑料管材用保温层材料的制作方法 |
| WO2022106552A1 (en) | 2020-11-20 | 2022-05-27 | Huntsman International Llc | Upgraded stabilized polyol composition |
| LU501979B1 (en) | 2022-04-29 | 2023-10-30 | Kemijski Inst | Chemical recycling of polyurethane foams with amines |
| WO2024187296A1 (zh) * | 2023-03-10 | 2024-09-19 | 上纬创新育成股份有限公司 | 聚氨酯泡沫的降解方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3143515A (en) * | 1956-04-18 | 1964-08-04 | Reeves Bros Inc | Method for reclaiming scrap polyurethane resins |
| US3114722A (en) * | 1958-08-07 | 1963-12-17 | Stauffer Hewitt Inc | Preparation of a composition containing expanded polymeric materials |
| US3300417A (en) * | 1963-07-02 | 1967-01-24 | Mobay Chemical Corp | Polyurethane plastics |
| US3378497A (en) * | 1965-02-08 | 1968-04-16 | Union Carbide Corp | Stabilized polyols |
| US3404103A (en) * | 1965-06-10 | 1968-10-01 | Bridgestone Tire Co Ltd | Method of decomposing urethane polymer |
| US3441616A (en) * | 1966-11-07 | 1969-04-29 | Wyandotte Chemicals Corp | Process for recovery of polyether polyols from polyurethane reaction products |
-
1974
- 1974-12-19 JP JP14499574A patent/JPS5171381A/ja active Granted
-
1975
- 1975-12-18 DE DE2557172A patent/DE2557172C3/de not_active Expired
- 1975-12-18 FR FR7538941A patent/FR2295055A1/fr active Granted
- 1975-12-19 US US05/642,634 patent/US4014809A/en not_active Expired - Lifetime
- 1975-12-19 GB GB5205475A patent/GB1480560A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2557172A1 (de) | 1976-06-24 |
| FR2295055A1 (fr) | 1976-07-16 |
| JPS5319354B2 (OSRAM) | 1978-06-20 |
| DE2557172B2 (de) | 1978-08-31 |
| US4014809A (en) | 1977-03-29 |
| JPS5171381A (en) | 1976-06-21 |
| GB1480560A (en) | 1977-07-20 |
| FR2295055B1 (OSRAM) | 1980-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8381 | Inventor (new situation) |
Free format text: KONDO, OSAMU HASHIMOTO, TORAO HASEGAWA, HAJIME, YOKOHAMA, JP |
|
| 8339 | Ceased/non-payment of the annual fee |