JPS4990375A - - Google Patents
Info
- Publication number
- JPS4990375A JPS4990375A JP14041573A JP14041573A JPS4990375A JP S4990375 A JPS4990375 A JP S4990375A JP 14041573 A JP14041573 A JP 14041573A JP 14041573 A JP14041573 A JP 14041573A JP S4990375 A JPS4990375 A JP S4990375A
- Authority
- JP
- Japan
- 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.)
- Granted
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
-
- 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
-
- 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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/315,976 US4025559A (en) | 1972-12-18 | 1972-12-18 | Method for continuous hydrolysis of polyurethane foam in restricted tubular reaction zone and recovery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4990375A true JPS4990375A (enExample) | 1974-08-29 |
| JPS5339920B2 JPS5339920B2 (enExample) | 1978-10-24 |
Family
ID=23226925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14041573A Expired JPS5339920B2 (enExample) | 1972-12-18 | 1973-12-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4025559A (enExample) |
| JP (1) | JPS5339920B2 (enExample) |
| CA (1) | CA1016956A (enExample) |
| DE (1) | DE2362920A1 (enExample) |
| FR (1) | FR2327058A1 (enExample) |
| GB (1) | GB1456251A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007070485A (ja) * | 2005-09-07 | 2007-03-22 | Fuji Electric Systems Co Ltd | ポリウレタン廃棄物の分解処理方法 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2442387C3 (de) * | 1974-09-04 | 1981-09-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen hydrolytischen Aufspaltung von hydrolysierbaren Kunststoffabfällen |
| DE2711145A1 (de) | 1977-03-15 | 1978-09-21 | Bayer Ag | Verfahren zur spaltung von polyurethankunststoffen |
| US4196148A (en) * | 1977-07-18 | 1980-04-01 | Ford Motor Company | Hydrolysis of polyurethane foams |
| US4281197A (en) * | 1979-06-18 | 1981-07-28 | Ford Motor Company | Hydrolytic decomposition method |
| US4328368A (en) * | 1980-05-05 | 1982-05-04 | General Motors Corporation | Method for reclaiming polyurethane foam |
| 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 |
| CA2279541A1 (en) * | 1997-02-05 | 1998-08-13 | Kabushiki Kaisha Kobe Seiko Sho | Apparatus for and process of hydrolyzing and recycling polyisocyanate derivatives |
| US20070197668A1 (en) * | 2006-02-20 | 2007-08-23 | Troy Polymers, Inc. | Process for preparing polyols |
| CZ2009620A3 (cs) | 2009-09-22 | 2011-04-06 | Ústav makromolekulární chemie AV CR, v.v.i. | Surovina pro výrobu polyurethanu a zpusob její výroby z odpadního polyurethanu |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225094A (en) * | 1962-06-15 | 1965-12-21 | Du Pont | Preparation of polyamines by steam hydrolysis of polyisocyanate reaction products |
| US3499035A (en) * | 1967-10-02 | 1970-03-03 | Olin Mathieson | Toluene diamine recovery process |
-
1972
- 1972-12-18 US US05/315,976 patent/US4025559A/en not_active Expired - Lifetime
-
1973
- 1973-09-18 CA CA181,390A patent/CA1016956A/en not_active Expired
- 1973-11-14 GB GB5279473A patent/GB1456251A/en not_active Expired
- 1973-12-13 FR FR7344495A patent/FR2327058A1/fr active Granted
- 1973-12-18 JP JP14041573A patent/JPS5339920B2/ja not_active Expired
- 1973-12-18 DE DE2362920A patent/DE2362920A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007070485A (ja) * | 2005-09-07 | 2007-03-22 | Fuji Electric Systems Co Ltd | ポリウレタン廃棄物の分解処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2327058A1 (fr) | 1977-05-06 |
| JPS5339920B2 (enExample) | 1978-10-24 |
| FR2327058B1 (enExample) | 1978-03-24 |
| US4025559A (en) | 1977-05-24 |
| DE2362920A1 (de) | 1974-07-11 |
| CA1016956A (en) | 1977-09-06 |
| GB1456251A (en) | 1976-11-24 |