FR2210493A1 - - Google Patents
Info
- Publication number
- FR2210493A1 FR2210493A1 FR7344218A FR7344218A FR2210493A1 FR 2210493 A1 FR2210493 A1 FR 2210493A1 FR 7344218 A FR7344218 A FR 7344218A FR 7344218 A FR7344218 A FR 7344218A FR 2210493 A1 FR2210493 A1 FR 2210493A1
- 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.)
- 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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31597972A | 1972-12-18 | 1972-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2210493A1 true FR2210493A1 (sv) | 1974-07-12 |
FR2210493B1 FR2210493B1 (sv) | 1976-10-08 |
Family
ID=23226942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7344218A Expired FR2210493B1 (sv) | 1972-12-18 | 1973-12-11 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4990377A (sv) |
CA (1) | CA1016955A (sv) |
DE (1) | DE2362921A1 (sv) |
FR (1) | FR2210493B1 (sv) |
GB (1) | GB1455454A (sv) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398087A1 (fr) * | 1977-07-18 | 1979-02-16 | Ford France | Procede d'hydrolyse de mousse de polyurethanne |
FR2400933A1 (fr) * | 1977-08-22 | 1979-03-23 | Ford France | Procede et appareil de decomposition hydrolytique |
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 |
US4281197A (en) * | 1979-06-18 | 1981-07-28 | Ford Motor Company | Hydrolytic decomposition method |
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 |
DE4323558C2 (de) * | 1993-07-14 | 2001-02-15 | Gore & Ass | Verfahren zur Isolierung und Wiederverwertung von Textilmaterialien aus polyurethanverklebten Textilverbundlaminaten |
WO1998034904A1 (fr) * | 1997-02-05 | 1998-08-13 | Kabushiki Kaisha Kobe Seiko Sho | Appareil et procede de decomposition et de recuperation de compose isocyanate |
CA3223887A1 (en) * | 2021-07-02 | 2023-01-05 | Evonik Operations Gmbh | Recovering di- and/or polyisocyanates from pu-depolymerisation processes |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB991387A (en) * | 1962-06-15 | 1965-05-05 | Du Pont | Process for recovering polyamines from polyisocyanate reaction products |
-
1973
- 1973-09-18 CA CA181,365A patent/CA1016955A/en not_active Expired
- 1973-11-13 GB GB5271273A patent/GB1455454A/en not_active Expired
- 1973-12-11 FR FR7344218A patent/FR2210493B1/fr not_active Expired
- 1973-12-18 JP JP14041673A patent/JPS4990377A/ja active Pending
- 1973-12-18 DE DE2362921A patent/DE2362921A1/de active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB991387A (en) * | 1962-06-15 | 1965-05-05 | Du Pont | Process for recovering polyamines from polyisocyanate reaction products |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398087A1 (fr) * | 1977-07-18 | 1979-02-16 | Ford France | Procede d'hydrolyse de mousse de polyurethanne |
FR2400933A1 (fr) * | 1977-08-22 | 1979-03-23 | Ford France | Procede et appareil de decomposition hydrolytique |
Also Published As
Publication number | Publication date |
---|---|
JPS4990377A (sv) | 1974-08-29 |
GB1455454A (en) | 1976-11-10 |
CA1016955A (en) | 1977-09-06 |
DE2362921A1 (de) | 1974-07-11 |
FR2210493B1 (sv) | 1976-10-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |