ES478171A1 - Procedimiento para la obtencion de uretanos. - Google Patents
Procedimiento para la obtencion de uretanos.Info
- Publication number
- ES478171A1 ES478171A1 ES478171A ES478171A ES478171A1 ES 478171 A1 ES478171 A1 ES 478171A1 ES 478171 A ES478171 A ES 478171A ES 478171 A ES478171 A ES 478171A ES 478171 A1 ES478171 A1 ES 478171A1
- Authority
- ES
- Spain
- Prior art keywords
- urethanes
- preparing urethanes
- preparing
- alcohols
- reaction
- 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
- 150000003673 urethanes Chemical class 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract 1
- 150000001298 alcohols Chemical class 0.000 abstract 1
- -1 aromatic nitro compounds Chemical class 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052711 selenium Inorganic materials 0.000 abstract 1
- 239000011669 selenium Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Procedimiento para la obtención de uretanos, caracterizado porque se hacen reaccionar compuestos nitro aromáticos con alcoholes alifáticos, cicloalifáticos o aralifáticos y monóxido de carbono en sistemas catalizador conteniendo selenio y/o compuestos de selenio, así como compuestos amino aromáticos y/o compuestos de urea aromáticos, conteniendo estos sistemas de catalizador amidinas bicíclicas como bases libres y estando libres de ácidos carboxílicos y fenoles.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782808990 DE2808990A1 (de) | 1978-03-02 | 1978-03-02 | Verfahren zur herstellung von urethanen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES478171A1 true ES478171A1 (es) | 1979-05-16 |
Family
ID=6033364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES478171A Expired ES478171A1 (es) | 1978-03-02 | 1979-02-28 | Procedimiento para la obtencion de uretanos. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4230876A (es) |
| EP (1) | EP0003988B1 (es) |
| JP (1) | JPS54135729A (es) |
| BR (1) | BR7901265A (es) |
| CA (1) | CA1115285A (es) |
| DE (2) | DE2808990A1 (es) |
| ES (1) | ES478171A1 (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2903950A1 (de) * | 1979-02-02 | 1980-08-07 | Bayer Ag | Verfahren zur herstellung von urethanen |
| DE2904929A1 (de) | 1979-02-09 | 1980-08-21 | Bayer Ag | Verfahren zur abtrennung von selen, selenverbindungen, schwefel und/oder schwefelverbindungen aus diese elemente bzw. verbindungen aufweisenden polyurethanen |
| DE2908250A1 (de) * | 1979-03-02 | 1980-09-11 | Bayer Ag | Verfahren zur herstellung von urethanen |
| US6716384B2 (en) | 1999-03-23 | 2004-04-06 | Teresa Banks | Process for the rotational molding of polyurethane articles |
| US9398820B2 (en) | 2012-06-13 | 2016-07-26 | Noa Brands America, Inc. | Manikin stretch joint |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895054A (en) * | 1972-08-30 | 1975-07-15 | Atlantic Richfield Co | Process for the manufacture of urethanes |
| US3956360A (en) * | 1973-06-21 | 1976-05-11 | Atlantic Richfield Company | Process for the manufacture of urethanes |
| US3993685A (en) * | 1974-10-21 | 1976-11-23 | Atlantic Richfield Company | Process for the production of urethanes |
| JPS51115444A (en) * | 1975-04-02 | 1976-10-12 | Mitsui Toatsu Chem Inc | Process for preparation of urethanes |
| JPS51149242A (en) * | 1975-06-17 | 1976-12-22 | Mitsui Toatsu Chem Inc | Process for preparing urethanes |
| US4130633A (en) * | 1977-12-27 | 1978-12-19 | Atlantic Richfield Company | Removal of selenium from urethane solutions |
-
1978
- 1978-03-02 DE DE19782808990 patent/DE2808990A1/de not_active Withdrawn
-
1979
- 1979-02-09 CA CA321,205A patent/CA1115285A/en not_active Expired
- 1979-02-20 EP EP79100489A patent/EP0003988B1/de not_active Expired
- 1979-02-20 DE DE7979100489T patent/DE2960018D1/de not_active Expired
- 1979-02-21 US US06/013,638 patent/US4230876A/en not_active Expired - Lifetime
- 1979-02-28 ES ES478171A patent/ES478171A1/es not_active Expired
- 1979-02-28 JP JP2208079A patent/JPS54135729A/ja active Pending
- 1979-03-01 BR BR7901265A patent/BR7901265A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7901265A (pt) | 1979-10-09 |
| DE2960018D1 (en) | 1981-01-08 |
| JPS54135729A (en) | 1979-10-22 |
| US4230876A (en) | 1980-10-28 |
| EP0003988A1 (de) | 1979-09-19 |
| DE2808990A1 (de) | 1979-09-13 |
| EP0003988B1 (de) | 1980-10-01 |
| CA1115285A (en) | 1981-12-29 |
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