ES418984A1 - Procedimiento para preparar poliisocianatos de elevado pesomolecular. - Google Patents
Procedimiento para preparar poliisocianatos de elevado pesomolecular.Info
- Publication number
- ES418984A1 ES418984A1 ES418984A ES418984A ES418984A1 ES 418984 A1 ES418984 A1 ES 418984A1 ES 418984 A ES418984 A ES 418984A ES 418984 A ES418984 A ES 418984A ES 418984 A1 ES418984 A1 ES 418984A1
- Authority
- ES
- Spain
- Prior art keywords
- molecular weight
- high molecular
- weight polyisocyanates
- solvents
- volatile
- 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
- 229920001228 polyisocyanate Polymers 0.000 title abstract 4
- 239000005056 polyisocyanate Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000002904 solvent Substances 0.000 abstract 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 abstract 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 125000005442 diisocyanate group Chemical group 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 125000005910 alkyl carbonate group Chemical group 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 abstract 1
- 150000002168 ethanoic acid esters Chemical class 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 150000002576 ketones Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT29524/72A IT967742B (it) | 1972-09-22 | 1972-09-22 | Procedimento per la preparazione di poliisocianati ad alto peso molecolare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES418984A1 true ES418984A1 (es) | 1976-03-01 |
Family
ID=11227395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES418984A Expired ES418984A1 (es) | 1972-09-22 | 1973-09-21 | Procedimiento para preparar poliisocianatos de elevado pesomolecular. |
Country Status (10)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038304A (en) * | 1974-05-20 | 1977-07-26 | Takeda Chemical Industries, Ltd. | Urethane prepolymer |
| US4385171A (en) * | 1982-04-30 | 1983-05-24 | Olin Corporation Research Center | Removal of unreacted diisocyanate from polyurethane prepolymers |
| US4743632A (en) * | 1987-02-25 | 1988-05-10 | Pfizer Hospital Products Group, Inc. | Polyetherurethane urea polymers as space filling tissue adhesives |
| US5051152A (en) * | 1989-09-26 | 1991-09-24 | Air Products And Chemicals, Inc. | Preparation of urethane prepolymers having low levels of residual toluene diisocyanate |
| JPH0480224A (ja) * | 1990-07-23 | 1992-03-13 | Dai Ichi Kogyo Seiyaku Co Ltd | 水硬性ポリウレタンプレポリマー組成物 |
| US5817734A (en) * | 1997-11-03 | 1998-10-06 | Bayer Corporation | Prepolymers with low TDI content |
| US5925781A (en) * | 1997-11-03 | 1999-07-20 | Bayer Corporation | Prepolymers with low monomeric TDI content |
| US6664414B2 (en) | 2001-09-11 | 2003-12-16 | 3M Innovative Properties Company | Process for reducing residual isocyanate |
| US20030092848A1 (en) * | 2001-09-11 | 2003-05-15 | Ashok Sengupta | Sprayable liner for supporting the rock surface of a mine |
| US20050282989A1 (en) * | 2004-06-17 | 2005-12-22 | Rosthauser James W | TDI prepolymers with improved processing characteristics |
| US20080097043A1 (en) * | 2004-09-20 | 2008-04-24 | Jiangdong Tong | Surface Support Method |
| WO2006034082A1 (en) * | 2004-09-20 | 2006-03-30 | 3M Innovative Properties Company | Surface support method |
| US20070149656A1 (en) * | 2005-12-23 | 2007-06-28 | 3M Innovative Properties Company | Sprayable mining liner composition |
| JP4863941B2 (ja) * | 2007-05-31 | 2012-01-25 | 中国電力株式会社 | オイル吸着シート連結具、及びオイル吸着シート連結ユニット |
| WO2020016117A1 (de) | 2018-07-16 | 2020-01-23 | Covestro Deutschland Ag | Verfahren zur herstellung von oligomeren polyisocyanaten |
| WO2020016118A1 (de) | 2018-07-16 | 2020-01-23 | Covestro Deutschland Ag | VERFAHREN ZUR HERSTELLUNG VON OLIGOMEREN POLYISOCYANATEN MIT ANSCHLIEßENDER FRAKTIONIERTER FLÜSSIG-FLÜSSIG-EXTRAKTION |
| WO2020016120A1 (de) * | 2018-07-16 | 2020-01-23 | Covestro Deutschland Ag | Verfahren zur herstellung von oligomeren verbindungen durch fraktionierte extraktive reaktion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804844A (en) * | 1970-12-02 | 1974-04-16 | Dow Chemical Co | Process for preparing pyridylcarbamates |
-
1972
- 1972-09-22 IT IT29524/72A patent/IT967742B/it active
-
1973
- 1973-09-18 NL NL7312835A patent/NL7312835A/xx not_active Application Discontinuation
- 1973-09-19 FR FR7333528A patent/FR2200318B1/fr not_active Expired
- 1973-09-19 JP JP48105128A patent/JPS4975530A/ja active Pending
- 1973-09-20 CA CA181,485A patent/CA1008462A/en not_active Expired
- 1973-09-21 GB GB4447573A patent/GB1447093A/en not_active Expired
- 1973-09-21 ES ES418984A patent/ES418984A1/es not_active Expired
- 1973-09-21 US US399722A patent/US3883577A/en not_active Expired - Lifetime
- 1973-09-21 BE BE135894A patent/BE805146A/xx unknown
- 1973-09-21 DE DE19732347742 patent/DE2347742A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB1447093A (en) | 1976-08-25 |
| NL7312835A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-26 |
| IT967742B (it) | 1974-03-11 |
| CA1008462A (en) | 1977-04-12 |
| FR2200318A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-19 |
| DE2347742A1 (de) | 1974-04-04 |
| BE805146A (fr) | 1974-03-21 |
| FR2200318B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-14 |
| US3883577A (en) | 1975-05-13 |
| JPS4975530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-20 |
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