JPS5319039B2 - - Google Patents
Info
- Publication number
- JPS5319039B2 JPS5319039B2 JP14041473A JP14041473A JPS5319039B2 JP S5319039 B2 JPS5319039 B2 JP S5319039B2 JP 14041473 A JP14041473 A JP 14041473A JP 14041473 A JP14041473 A JP 14041473A JP S5319039 B2 JPS5319039 B2 JP S5319039B2
- 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.)
- 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
- C08J11/14—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
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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)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31597772A | 1972-12-18 | 1972-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4989778A JPS4989778A (en:Method) | 1974-08-27 |
| JPS5319039B2 true JPS5319039B2 (en:Method) | 1978-06-19 |
Family
ID=23226933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14041473A Expired JPS5319039B2 (en:Method) | 1972-12-18 | 1973-12-18 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5319039B2 (en:Method) |
| CA (1) | CA1018537A (en:Method) |
| DE (1) | DE2362919A1 (en:Method) |
| FR (1) | FR2210494B1 (en:Method) |
| GB (1) | GB1456252A (en:Method) |
Families Citing this family (6)
| 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 |
| DE2862318D1 (en) * | 1978-11-29 | 1983-10-20 | Ford Motor Co | Hydrolysis of polyurethanes |
| 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 |
| FR3080623B1 (fr) * | 2018-04-27 | 2021-01-08 | Arkema France | Valorisation de resine (meth)acrylique par depolymerisation et hydrolyse |
| GB2616488B (en) * | 2022-09-02 | 2024-11-06 | Sru Innovations Ltd | Steam treatment of waste |
Family Cites Families (1)
| 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 |
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1973
- 1973-09-18 CA CA181,391A patent/CA1018537A/en not_active Expired
- 1973-11-15 GB GB5302573A patent/GB1456252A/en not_active Expired
- 1973-12-12 FR FR7344393A patent/FR2210494B1/fr not_active Expired
- 1973-12-18 JP JP14041473A patent/JPS5319039B2/ja not_active Expired
- 1973-12-18 DE DE2362919A patent/DE2362919A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2210494B1 (en:Method) | 1977-08-19 |
| CA1018537A (en) | 1977-10-04 |
| GB1456252A (en:Method) | 1976-11-24 |
| DE2362919A1 (de) | 1974-07-11 |
| FR2210494A1 (en:Method) | 1974-07-12 |
| JPS4989778A (en:Method) | 1974-08-27 |