IE38048B1 - Process for the linearisation of polyurethanes with lactams and lactam addition compounds - Google Patents
Process for the linearisation of polyurethanes with lactams and lactam addition compoundsInfo
- Publication number
- IE38048B1 IE38048B1 IE1326/73A IE132673A IE38048B1 IE 38048 B1 IE38048 B1 IE 38048B1 IE 1326/73 A IE1326/73 A IE 1326/73A IE 132673 A IE132673 A IE 132673A IE 38048 B1 IE38048 B1 IE 38048B1
- Authority
- IE
- Ireland
- Prior art keywords
- lactam
- polyurethanes
- linearizing
- agent
- caprolactam
- Prior art date
Links
- 150000003951 lactams Chemical class 0.000 title abstract 7
- 239000004814 polyurethane Substances 0.000 title abstract 5
- 229920002635 polyurethane Polymers 0.000 title abstract 5
- 150000001875 compounds Chemical class 0.000 title abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- 239000011159 matrix material Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- PCHXZXKMYCGVFA-UHFFFAOYSA-N 1,3-diazetidine-2,4-dione Chemical group O=C1NC(=O)N1 PCHXZXKMYCGVFA-UHFFFAOYSA-N 0.000 abstract 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 150000002466 imines Chemical class 0.000 abstract 1
- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 abstract 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical group O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 abstract 1
- 238000005406 washing Methods 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
- 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
- C08J11/28—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 by treatment with organic compounds containing nitrogen, sulfur or phosphorus
-
- 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
- C08G18/83—Chemically modified polymers
- C08G18/833—Chemically modified polymers by nitrogen containing compounds
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
-
- 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)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Polyamides (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Pyrrole Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2238667A DE2238667C3 (de) | 1972-08-05 | 1972-08-05 | Verfahren zur Linearisierung von Polyurethanen mit Lactamen und/oder Lactamadditionsverbindungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE38048L IE38048L (en) | 1974-02-05 |
| IE38048B1 true IE38048B1 (en) | 1977-12-07 |
Family
ID=5852798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1326/73A IE38048B1 (en) | 1972-08-05 | 1973-08-03 | Process for the linearisation of polyurethanes with lactams and lactam addition compounds |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS569932B2 (en, 2012) |
| BE (1) | BE803214A (en, 2012) |
| DE (1) | DE2238667C3 (en, 2012) |
| ES (1) | ES417587A1 (en, 2012) |
| FR (1) | FR2194737B1 (en, 2012) |
| GB (1) | GB1423559A (en, 2012) |
| IE (1) | IE38048B1 (en, 2012) |
| IT (1) | IT996098B (en, 2012) |
| LU (1) | LU68154A1 (en, 2012) |
| NL (1) | NL7310719A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2542022C2 (de) | 1975-09-20 | 1982-10-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von aktivierten, zur Herstellung von Polyurethankunststoffen wiederverwendbaren Polyhydroxylverbindungen |
-
1972
- 1972-08-05 DE DE2238667A patent/DE2238667C3/de not_active Expired
-
1973
- 1973-08-02 NL NL7310719A patent/NL7310719A/xx unknown
- 1973-08-03 IE IE1326/73A patent/IE38048B1/xx unknown
- 1973-08-03 FR FR7328529A patent/FR2194737B1/fr not_active Expired
- 1973-08-03 LU LU68154D patent/LU68154A1/xx unknown
- 1973-08-03 IT IT5181973A patent/IT996098B/it active
- 1973-08-03 BE BE134235A patent/BE803214A/xx unknown
- 1973-08-03 GB GB3696373A patent/GB1423559A/en not_active Expired
- 1973-08-04 ES ES417587A patent/ES417587A1/es not_active Expired
- 1973-08-06 JP JP8771773A patent/JPS569932B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7310719A (en, 2012) | 1974-02-07 |
| IE38048L (en) | 1974-02-05 |
| FR2194737A1 (en, 2012) | 1974-03-01 |
| DE2238667B2 (de) | 1979-04-05 |
| GB1423559A (en) | 1976-02-04 |
| JPS4953694A (en, 2012) | 1974-05-24 |
| ES417587A1 (es) | 1976-03-16 |
| IT996098B (it) | 1975-12-10 |
| BE803214A (fr) | 1974-02-04 |
| LU68154A1 (en, 2012) | 1973-10-15 |
| DE2238667A1 (de) | 1974-02-21 |
| JPS569932B2 (en, 2012) | 1981-03-04 |
| FR2194737B1 (en, 2012) | 1977-02-25 |
| DE2238667C3 (de) | 1979-11-22 |
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