FR2098409A3 - Polyurethane scrap utilisation - by dissolution in starting material(s) for isocyanate polyaddition process - Google Patents
Polyurethane scrap utilisation - by dissolution in starting material(s) for isocyanate polyaddition processInfo
- Publication number
- FR2098409A3 FR2098409A3 FR7125599A FR7125599A FR2098409A3 FR 2098409 A3 FR2098409 A3 FR 2098409A3 FR 7125599 A FR7125599 A FR 7125599A FR 7125599 A FR7125599 A FR 7125599A FR 2098409 A3 FR2098409 A3 FR 2098409A3
- Authority
- FR
- France
- Prior art keywords
- isocyanate polyaddition
- polyaddition process
- utilisation
- polyadducts
- dissolution
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 5
- 239000012948 isocyanate Substances 0.000 title abstract 4
- 150000002513 isocyanates Chemical class 0.000 title abstract 4
- 238000004090 dissolution Methods 0.000 title abstract 2
- 229920002635 polyurethane Polymers 0.000 title 1
- 239000004814 polyurethane Substances 0.000 title 1
- 239000007858 starting material Substances 0.000 title 1
- 239000000463 material Substances 0.000 abstract 2
- 229920001169 thermoplastic Polymers 0.000 abstract 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract 2
- 239000004970 Chain extender Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000001413 cellular effect Effects 0.000 abstract 1
- 150000001913 cyanates Chemical class 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920000582 polyisocyanurate Polymers 0.000 abstract 1
- 239000011495 polyisocyanurate Substances 0.000 abstract 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Polyurethanes Or Polyureas (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702035175 DE2035175B2 (de) | 1970-07-15 | 1970-07-15 | Verfahren zur verwertung von abfaellen, ausschussteilen und/oder altmaterialien aus polyaddukten, die nach dem isocyanat-polyadditionsverfahren hergestellt worden sind |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2098409A3 true FR2098409A3 (en) | 1972-03-10 |
| FR2098409B3 FR2098409B3 (enExample) | 1974-04-05 |
Family
ID=5776869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7125599A Granted FR2098409A3 (en) | 1970-07-15 | 1971-07-13 | Polyurethane scrap utilisation - by dissolution in starting material(s) for isocyanate polyaddition process |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2035175B2 (enExample) |
| FR (1) | FR2098409A3 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE4028724C2 (de) * | 1990-09-10 | 1997-04-30 | Eisenmann Kg Maschbau | Verfahren und Vorrichtung zur Entsorgung und Verbrennung von Produktionsrückständen aus Polyurethan-Schaumstoffen |
| DE4143458C2 (de) * | 1990-09-27 | 1996-10-17 | Michael Demuth | Verfahren zur Verwertung von Kunststoffen |
| US5648431A (en) * | 1990-09-27 | 1997-07-15 | Michael Demuth | Process for the utilization of plastics |
| DE4132282C2 (de) * | 1990-09-27 | 1995-02-23 | Michael Demuth | Verfahren zur Verwertung von Kunststoffen |
| DE4328076A1 (de) * | 1993-08-20 | 1995-02-23 | Bayer Ag | Verfahren zur Herstellung von weichen, Urethangruppen aufweisenden Schaumstoffen |
| DE19633891A1 (de) * | 1996-08-22 | 1998-02-26 | Basf Ag | Verfahren zur Wiederverwendung von Polyurethanen |
| WO2019175151A1 (de) * | 2018-03-13 | 2019-09-19 | Basf Se | Thermoplastisches polyurethan aus recyclingrohstoffen |
-
1970
- 1970-07-15 DE DE19702035175 patent/DE2035175B2/de active Pending
-
1971
- 1971-07-13 FR FR7125599A patent/FR2098409A3/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2098409B3 (enExample) | 1974-04-05 |
| DE2035175A1 (de) | 1972-03-30 |
| DE2035175B2 (de) | 1973-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |