FR1156774A - éponges obtenues à partir de produits mousse en polyuréthanes, de propriétés correspondant à celles des éponges naturelles, et leur fabrication - Google Patents
éponges obtenues à partir de produits mousse en polyuréthanes, de propriétés correspondant à celles des éponges naturelles, et leur fabricationInfo
- Publication number
- FR1156774A FR1156774A FR1156774DA FR1156774A FR 1156774 A FR1156774 A FR 1156774A FR 1156774D A FR1156774D A FR 1156774DA FR 1156774 A FR1156774 A FR 1156774A
- Authority
- FR
- France
- Prior art keywords
- sponges
- manufacture
- those
- polyurethane foam
- foam products
- 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.)
- Expired
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011496 polyurethane foam Substances 0.000 title 1
Classifications
-
- 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
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1841—Catalysts containing secondary or tertiary amines or salts thereof having carbonyl groups which may be linked to one or more nitrogen or oxygen atoms
-
- 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
-
- 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)
- 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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK26927A DE1017783B (de) | 1955-09-22 | 1955-09-22 | Verfahren zur Herstellung von Schwaemmen mit verbesserten Eigenschaften aus Polyurethanschaumstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1156774A true FR1156774A (fr) | 1958-05-21 |
Family
ID=7217750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1156774D Expired FR1156774A (fr) | 1955-09-22 | 1956-09-17 | éponges obtenues à partir de produits mousse en polyuréthanes, de propriétés correspondant à celles des éponges naturelles, et leur fabrication |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH362846A (fr) |
| DE (1) | DE1017783B (fr) |
| FR (1) | FR1156774A (fr) |
| GB (1) | GB822446A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3109824A (en) * | 1960-11-14 | 1963-11-05 | Mobay Chemical Corp | Method of dissolving polyurethanes and polyureas using tall oil |
| US3117940A (en) * | 1960-11-14 | 1964-01-14 | Mobay Chemical Corp | Method of dissolving polyurethanes |
| US4451583A (en) * | 1982-01-26 | 1984-05-29 | Olin Corporation | Recycling of flexible polyurethane foam scrap |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE913474C (de) * | 1941-04-20 | 1954-06-14 | Bayer Ag | Verfahren zur Herstellung von hochporoesen festen oder elastischen Kunststoffkoerpern |
| BE516512A (fr) * | 1951-12-24 | |||
| DE926880C (de) * | 1952-01-30 | 1955-04-25 | Bayer Ag | Verfahren zur Herstellung von Schaumstoffen mit sehr niedrigem spezifischem Gewicht |
| DE955993C (de) * | 1953-08-19 | 1957-01-10 | Bayer Ag | Verfahren zur Herstellung von insbesondere elastischen Schaumstoffen aus linearen oder verzweigten Polyestern und Diisocyanaten in Gegenwart von Wasser |
-
1955
- 1955-09-22 DE DEK26927A patent/DE1017783B/de active Pending
-
1956
- 1956-09-14 GB GB2818756A patent/GB822446A/en not_active Expired
- 1956-09-17 FR FR1156774D patent/FR1156774A/fr not_active Expired
- 1956-09-18 CH CH3755556A patent/CH362846A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH362846A (de) | 1962-06-30 |
| GB822446A (en) | 1959-10-28 |
| DE1017783B (de) | 1957-10-17 |
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