WO2000023491A1 - Verfahren zur herstellung von polyurethan - Google Patents
Verfahren zur herstellung von polyurethan Download PDFInfo
- Publication number
- WO2000023491A1 WO2000023491A1 PCT/EP1999/003959 EP9903959W WO0023491A1 WO 2000023491 A1 WO2000023491 A1 WO 2000023491A1 EP 9903959 W EP9903959 W EP 9903959W WO 0023491 A1 WO0023491 A1 WO 0023491A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyol
- polyisocyanate
- groups
- soybean oil
- polyurethane
- 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.)
- Ceased
Links
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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
Definitions
- the invention relates to a process for the production of polyurethane, including polyurethane prepolymers. It also relates to the use of the polyurethane or prepolymer produced according to the invention.
- Castor oil that is a natural raw material, with polyisocyanate to give polyurethane.
- Castor oil consists of 80-85% by weight of ricinoleic acid glyceride, i.e. a triol with about 5.2% reactive OH groups. Due to the high OH value, the conversion of castor oil requires a large amount of polyisocyanate, which leads to high production costs.
- the object of the invention is to reduce the polyurethane production costs.
- natural soybean oil converts to a polyol during the production of polyurethane prepolymers and foams. That is, in the prepolymerization process in the presence of a polyol, natural soybean oil forms OH groups which react with the NCO groups of the polyisocyanate.
- Diisocyanates are preferably used as the polyisocyanate, for example 4,4′-methylene di (phenyl isocyanate).
- triols preferably castor oil, are used in particular as polyols.
- the soybean oil is preferably used in a weight ratio of 0.2 to 5, in particular 0.5 to 2 parts and particularly preferably about one part per part by weight of castor oil.
- the soybean oil is preferably used in an amount of 10 g to 300 g, in particular 70 g to 200 g, per OH mol equivalent of the polyol.
- An OH mol equivalent means the molecular weight of the polyol divided by its (reactive) OH groups.
- the molar ratio of the NCO groups of the polyisocyanate to the OH groups of the polyol is preferably 1 to 4: 1, in particular 2 to 3: 1.
- the reaction of the polyisocyanate with the polyol and the soybean oil is preferably first carried out to form a prepolymer with free isocyanate groups.
- the polyisocyanate is used in the reaction with the polyol and the soybean oil in a stoichiometric excess, for example such that 3% to 30%, in particular about 10%, of the NCO groups are not reacted.
- the prepolymer obtained in this way can be cured by adding compounds with acidic OH groups, in particular water, by reacting the excess free isocyanate groups.
- Known catalysts for polyurethane production e.g. Dibutyltin dilaurate (DBTL) can be used.
- 100 g castor oil are mixed with 100 g soybean oil.
- the mixture is heated to about 150 ° C. with stirring and held at this temperature for about 30 minutes.
- about 200 g of MDI (“44V20” from Bayer) are added with stirring in the absence of moisture and the whole is kept at 90 ° C. for about 1 hour.
- the prepolymer obtained in this way cures with atmospheric moisture to form an extremely resistant film.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU46067/99A AU4606799A (en) | 1998-10-15 | 1999-06-08 | Method for producing polyurethane |
| EP99929155A EP1137686A1 (de) | 1998-10-15 | 1999-06-08 | Verfahren zur herstellung von polyurethan |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PT102214A PT102214B (pt) | 1998-10-15 | 1998-10-15 | O oleo de soja natural na fabricacao de poliuretanos |
| PT102214 | 1998-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000023491A1 true WO2000023491A1 (de) | 2000-04-27 |
Family
ID=20085805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1999/003959 Ceased WO2000023491A1 (de) | 1998-10-15 | 1999-06-08 | Verfahren zur herstellung von polyurethan |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1137686A1 (de) |
| AU (1) | AU4606799A (de) |
| PT (1) | PT102214B (de) |
| WO (1) | WO2000023491A1 (de) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1264850A1 (de) * | 2001-06-07 | 2002-12-11 | Bayer Corporation | Polyurethanschäume die verbesserte Heissbiegewiderstandseigenschaften aufweisen und Verfahren zur Herstellung |
| US6864296B2 (en) | 1998-09-17 | 2005-03-08 | Urethane Soy Systems Company | Plastic material |
| US6962636B2 (en) | 1998-09-17 | 2005-11-08 | Urethane Soy Systems Company, Inc. | Method of producing a bio-based carpet material |
| US6979477B2 (en) | 2000-09-06 | 2005-12-27 | Urethane Soy Systems Company | Vegetable oil-based coating and method for application |
| US7063877B2 (en) | 1998-09-17 | 2006-06-20 | Urethane Soy Systems Company, Inc. | Bio-based carpet material |
| US7084230B2 (en) | 1998-09-17 | 2006-08-01 | Urethane Soy Systems Company, Inc. | Oxylated vegetable-based polyol having increased functionality and urethane materials formed using the polyol |
| WO2006108833A1 (de) * | 2005-04-14 | 2006-10-19 | Basf Aktiengesellschaft | Verfahren zur herstellung von polyurethan- und polyisocyanurat-hartschaumstoffen |
| WO2009026426A1 (en) * | 2007-08-21 | 2009-02-26 | Renosol Systems, Llc | Isocyanato terminated precursor and method of making the same |
| US7595094B2 (en) | 1998-09-17 | 2009-09-29 | Urethane Soy Systems, Co. | Vegetable oil-based coating and method for application |
| US9045581B2 (en) | 2005-03-03 | 2015-06-02 | Rhino Linings Corporation | Polyols derived from a vegetable oil using an oxidation process |
| WO2025117005A1 (en) | 2023-12-01 | 2025-06-05 | Basf Se | Bio-containing polyisocyanate prepolymers for increasing overall bio-content in polyurethane products |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB947973A (en) * | 1961-03-28 | 1964-01-29 | Beck & Company G M B H Dr | Improvements in or relating to polyurethane lacquers |
| EP0256355A2 (de) * | 1986-08-02 | 1988-02-24 | Henkel Kommanditgesellschaft auf Aktien | Polyurethan-Prepolymere auf Basis oleochemischer Polyole, ihre Herstellung und Verwendung |
-
1998
- 1998-10-15 PT PT102214A patent/PT102214B/pt not_active IP Right Cessation
-
1999
- 1999-06-08 AU AU46067/99A patent/AU4606799A/en not_active Abandoned
- 1999-06-08 WO PCT/EP1999/003959 patent/WO2000023491A1/de not_active Ceased
- 1999-06-08 EP EP99929155A patent/EP1137686A1/de not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB947973A (en) * | 1961-03-28 | 1964-01-29 | Beck & Company G M B H Dr | Improvements in or relating to polyurethane lacquers |
| EP0256355A2 (de) * | 1986-08-02 | 1988-02-24 | Henkel Kommanditgesellschaft auf Aktien | Polyurethan-Prepolymere auf Basis oleochemischer Polyole, ihre Herstellung und Verwendung |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7084230B2 (en) | 1998-09-17 | 2006-08-01 | Urethane Soy Systems Company, Inc. | Oxylated vegetable-based polyol having increased functionality and urethane materials formed using the polyol |
| US7595094B2 (en) | 1998-09-17 | 2009-09-29 | Urethane Soy Systems, Co. | Vegetable oil-based coating and method for application |
| US6864296B2 (en) | 1998-09-17 | 2005-03-08 | Urethane Soy Systems Company | Plastic material |
| US6867239B2 (en) | 1998-09-17 | 2005-03-15 | Urethane Soy Systems Company | Plastic material |
| US6881763B2 (en) | 1998-09-17 | 2005-04-19 | Urethane Soy Systems Company | Plastic material |
| US6962636B2 (en) | 1998-09-17 | 2005-11-08 | Urethane Soy Systems Company, Inc. | Method of producing a bio-based carpet material |
| US7063877B2 (en) | 1998-09-17 | 2006-06-20 | Urethane Soy Systems Company, Inc. | Bio-based carpet material |
| US7537665B2 (en) | 1998-09-17 | 2009-05-26 | Urethane Soy Systems Company, Inc. | Method for producing a bio-based carpet material |
| US6979477B2 (en) | 2000-09-06 | 2005-12-27 | Urethane Soy Systems Company | Vegetable oil-based coating and method for application |
| US6649667B2 (en) | 2001-06-07 | 2003-11-18 | Bayer Polymers Llc | Polyurethane foams having improved heat sag and a process for their production |
| EP1264850A1 (de) * | 2001-06-07 | 2002-12-11 | Bayer Corporation | Polyurethanschäume die verbesserte Heissbiegewiderstandseigenschaften aufweisen und Verfahren zur Herstellung |
| US9045581B2 (en) | 2005-03-03 | 2015-06-02 | Rhino Linings Corporation | Polyols derived from a vegetable oil using an oxidation process |
| WO2006108833A1 (de) * | 2005-04-14 | 2006-10-19 | Basf Aktiengesellschaft | Verfahren zur herstellung von polyurethan- und polyisocyanurat-hartschaumstoffen |
| US7678936B2 (en) | 2007-08-21 | 2010-03-16 | Lear Corporation | Isocyanato terminated precursor and method of making the same |
| WO2009026426A1 (en) * | 2007-08-21 | 2009-02-26 | Renosol Systems, Llc | Isocyanato terminated precursor and method of making the same |
| WO2025117005A1 (en) | 2023-12-01 | 2025-06-05 | Basf Se | Bio-containing polyisocyanate prepolymers for increasing overall bio-content in polyurethane products |
Also Published As
| Publication number | Publication date |
|---|---|
| AU4606799A (en) | 2000-05-08 |
| PT102214A (pt) | 2000-04-28 |
| EP1137686A1 (de) | 2001-10-04 |
| PT102214B (pt) | 2002-09-30 |
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