CA1023498A - Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanates - Google Patents
Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanatesInfo
- Publication number
- CA1023498A CA1023498A CA176,646A CA176646A CA1023498A CA 1023498 A CA1023498 A CA 1023498A CA 176646 A CA176646 A CA 176646A CA 1023498 A CA1023498 A CA 1023498A
- Authority
- CA
- Canada
- Prior art keywords
- linearizing
- polyisocyanates
- cross
- polyaddition products
- isocyanate polyaddition
- 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
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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
-
- 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)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2238741A DE2238741A1 (de) | 1972-08-05 | 1972-08-05 | Verfahren zur linearisierung vernetzter isocyanat-polyadditionsprodukte mit polyisocyanaten |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1023498A true CA1023498A (en) | 1977-12-27 |
Family
ID=5852848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA176,646A Expired CA1023498A (en) | 1972-08-05 | 1973-07-17 | Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanates |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS4953693A (it) |
BE (1) | BE803215A (it) |
CA (1) | CA1023498A (it) |
DE (1) | DE2238741A1 (it) |
ES (1) | ES417586A1 (it) |
FR (1) | FR2194738B1 (it) |
GB (1) | GB1422884A (it) |
IE (1) | IE37971B1 (it) |
IT (1) | IT990129B (it) |
LU (1) | LU68145A1 (it) |
NL (1) | NL7310718A (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10211311A1 (de) * | 2002-03-14 | 2003-08-07 | Wacker Chemie Gmbh | Verfahren zur Herstellung von N-[Triorganylsilylmethyl]-substituierten 1,2-Diaminoethanen |
DE10237271A1 (de) * | 2002-08-14 | 2004-03-04 | Consortium für elektrochemische Industrie GmbH | Polymermassen auf Basis alkoxysilanterminierter Polymere mit regulierbarer Härtungsgeschwindigkeit |
DE10352907A1 (de) | 2002-11-15 | 2004-08-05 | Henkel Kgaa | Silylgruppen enthaltende Präpolymere, deren Herstellung und Verwendung in Montageschäumen |
DE102007032342A1 (de) | 2007-07-11 | 2009-01-15 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polyurethan-Schäumen auf Basis von speziellen alkoxysilanfunktionellen Polymeren |
WO2020225310A1 (en) * | 2019-05-06 | 2020-11-12 | Basf Coatings Gmbh | Silane-based coating composition |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE962649C (de) * | 1955-03-17 | 1957-04-25 | Rudolph Koepp & Co Chem Fab A | Verfahren zur Herstellung von Schaumstoffen unter Verwendung von Polyurethanschaumabfaellen |
-
1972
- 1972-08-05 DE DE2238741A patent/DE2238741A1/de active Pending
-
1973
- 1973-07-17 CA CA176,646A patent/CA1023498A/en not_active Expired
- 1973-08-02 LU LU68145D patent/LU68145A1/xx unknown
- 1973-08-02 NL NL7310718A patent/NL7310718A/xx unknown
- 1973-08-03 FR FR7328531A patent/FR2194738B1/fr not_active Expired
- 1973-08-03 IE IE1325/73A patent/IE37971B1/xx unknown
- 1973-08-03 BE BE134236A patent/BE803215A/xx unknown
- 1973-08-03 IT IT5182173A patent/IT990129B/it active
- 1973-08-03 JP JP8691373A patent/JPS4953693A/ja active Pending
- 1973-08-03 GB GB3695873A patent/GB1422884A/en not_active Expired
- 1973-08-04 ES ES417586A patent/ES417586A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE803215A (fr) | 1974-02-04 |
FR2194738B1 (it) | 1979-04-20 |
ES417586A1 (es) | 1976-03-16 |
IE37971B1 (en) | 1977-11-23 |
FR2194738A1 (it) | 1974-03-01 |
JPS4953693A (it) | 1974-05-24 |
GB1422884A (en) | 1976-01-28 |
DE2238741A1 (de) | 1974-02-07 |
LU68145A1 (it) | 1973-10-16 |
NL7310718A (it) | 1974-02-07 |
IT990129B (it) | 1975-06-20 |
IE37971L (en) | 1974-02-05 |
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