FR2268825B1 - - Google Patents
Info
- Publication number
- FR2268825B1 FR2268825B1 FR7513221A FR7513221A FR2268825B1 FR 2268825 B1 FR2268825 B1 FR 2268825B1 FR 7513221 A FR7513221 A FR 7513221A FR 7513221 A FR7513221 A FR 7513221A FR 2268825 B1 FR2268825 B1 FR 2268825B1
- Authority
- FR
- France
- 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
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
- C08J11/22—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 by treatment with organic oxygen-containing compounds
- C08J11/24—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 by treatment with organic oxygen-containing compounds containing hydroxyl groups
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46485674A | 1974-04-29 | 1974-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2268825A1 FR2268825A1 (OSRAM) | 1975-11-21 |
| FR2268825B1 true FR2268825B1 (OSRAM) | 1977-07-08 |
Family
ID=23845529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7513221A Expired FR2268825B1 (OSRAM) | 1974-04-29 | 1975-04-28 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5329359B2 (OSRAM) |
| CA (1) | CA1042146A (OSRAM) |
| DE (1) | DE2516863B2 (OSRAM) |
| ES (1) | ES436853A1 (OSRAM) |
| FR (1) | FR2268825B1 (OSRAM) |
| GB (1) | GB1492838A (OSRAM) |
| IT (1) | IT1035248B (OSRAM) |
| NL (1) | NL159418B (OSRAM) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2951617C2 (de) * | 1979-12-21 | 1985-08-14 | Wilhelm Prof. Dr.-Ing. 5100 Aachen Schütz | Verfahren und Anlage zur Aufbereitung von Polyurethan |
| DE3232461A1 (de) * | 1982-09-01 | 1984-03-01 | Bayer Ag, 5090 Leverkusen | Verfahren zum kontinuierlichen glykolytischen hochtemperatur-abbau von polyurethankunstoffabfaellen in schneckenmaschinen |
| DE3618007A1 (de) * | 1986-05-28 | 1987-12-03 | Bayer Ag | Verfahren zur herstellung von hydroxyphenylurethanen |
| DE4024601C2 (de) * | 1990-08-02 | 1997-04-03 | Gunter Prof Dr Bauer | Verfahren zur Herstellung polyolhaltiger Dispersionen und deren Verwendung |
| DE4234335A1 (de) | 1992-10-12 | 1994-04-14 | Basf Schwarzheide Gmbh | Verfahren zur Herstellung von Recyclatpolyolen und deren Verwendung bei der Herstellung von Polyurethanen |
| GB9223943D0 (en) * | 1992-11-14 | 1993-01-06 | Caligen Foam Ltd | Re-cycling of polyurethane foam |
| DE4323558C2 (de) * | 1993-07-14 | 2001-02-15 | Gore & Ass | Verfahren zur Isolierung und Wiederverwertung von Textilmaterialien aus polyurethanverklebten Textilverbundlaminaten |
| 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 |
| DE4433834C1 (de) | 1994-09-22 | 1995-10-12 | Daimler Benz Ag | Verfahren zur Rückgewinnung von Sekundärpolyolen aus mit nichtglykolysierbaren Stoffen vermischten Polyaddukten von Diolen und Diisocyanaten |
| DE4442379A1 (de) | 1994-11-29 | 1996-05-30 | Bayer Ag | Verfahren zum glykolytischen Abbau von Polyurethankunststoffen |
| 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 |
| CN112029148A (zh) * | 2020-08-31 | 2020-12-04 | 浙江工业大学 | 一种使用乳液体系回收废弃聚氨酯泡沫中聚醚多元醇的方法 |
-
1975
- 1975-04-03 CA CA223,810A patent/CA1042146A/en not_active Expired
- 1975-04-07 GB GB1418675A patent/GB1492838A/en not_active Expired
- 1975-04-09 IT IT4901975A patent/IT1035248B/it active
- 1975-04-15 NL NL7504473A patent/NL159418B/xx not_active IP Right Cessation
- 1975-04-17 DE DE19752516863 patent/DE2516863B2/de not_active Ceased
- 1975-04-22 ES ES436853A patent/ES436853A1/es not_active Expired
- 1975-04-28 FR FR7513221A patent/FR2268825B1/fr not_active Expired
- 1975-04-28 JP JP5195875A patent/JPS5329359B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU7984375A (en) | 1976-10-07 |
| GB1492838A (en) | 1977-11-23 |
| NL7504473A (nl) | 1975-10-31 |
| DE2516863A1 (de) | 1975-10-30 |
| ES436853A1 (es) | 1976-12-01 |
| NL159418B (nl) | 1979-02-15 |
| DE2516863B2 (de) | 1977-03-03 |
| IT1035248B (it) | 1979-10-20 |
| FR2268825A1 (OSRAM) | 1975-11-21 |
| JPS50149606A (OSRAM) | 1975-11-29 |
| CA1042146A (en) | 1978-11-07 |
| JPS5329359B2 (OSRAM) | 1978-08-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |