ES265903A1 - Un metodo de preparar melamina - Google Patents
Un metodo de preparar melaminaInfo
- Publication number
- ES265903A1 ES265903A1 ES0265903A ES265903A ES265903A1 ES 265903 A1 ES265903 A1 ES 265903A1 ES 0265903 A ES0265903 A ES 0265903A ES 265903 A ES265903 A ES 265903A ES 265903 A1 ES265903 A1 ES 265903A1
- Authority
- ES
- Spain
- Prior art keywords
- ammonia
- catalyst
- melamine
- preparing melamine
- phosphate
- 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
- 229920000877 Melamine resin Polymers 0.000 title abstract 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 229940001007 aluminium phosphate Drugs 0.000 abstract 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 abstract 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 abstract 1
- YZYDPPZYDIRSJT-UHFFFAOYSA-K boron phosphate Chemical compound [B+3].[O-]P([O-])([O-])=O YZYDPPZYDIRSJT-UHFFFAOYSA-K 0.000 abstract 1
- 229910000149 boron phosphate Inorganic materials 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 abstract 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
- C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL249750 | 1960-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES265903A1 true ES265903A1 (es) | 1961-10-01 |
Family
ID=19752240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0265903A Expired ES265903A1 (es) | 1960-03-23 | 1961-03-21 | Un metodo de preparar melamina |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE601611A (es) |
| CA (2) | CA633572A (es) |
| CH (1) | CH409983A (es) |
| DE (1) | DE1135482B (es) |
| ES (1) | ES265903A1 (es) |
| GB (1) | GB910198A (es) |
| SE (1) | SE300211B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3218320A (en) * | 1961-06-19 | 1965-11-16 | Allied Chem | Process for producing a melamine-urea product |
| US3290309A (en) * | 1964-02-11 | 1966-12-06 | Chemical Construction Corp | Synthesis of melamine |
| EP2072504A1 (en) * | 2007-12-20 | 2009-06-24 | DSMIP Assets B.V. | Process for the preparation of melamine |
-
0
- CA CA697084A patent/CA697084A/en not_active Expired
- CA CA633572A patent/CA633572A/en not_active Expired
-
1961
- 1961-03-20 GB GB10147/61A patent/GB910198A/en not_active Expired
- 1961-03-21 CH CH340561A patent/CH409983A/de unknown
- 1961-03-21 BE BE601611A patent/BE601611A/fr unknown
- 1961-03-21 ES ES0265903A patent/ES265903A1/es not_active Expired
- 1961-03-21 DE DEST17602A patent/DE1135482B/de active Pending
- 1961-03-22 SE SE3044/61A patent/SE300211B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA633572A (en) | 1961-12-26 |
| CA697084A (en) | 1964-11-03 |
| CH409983A (de) | 1966-03-31 |
| GB910198A (en) | 1962-11-14 |
| BE601611A (fr) | 1961-09-21 |
| DE1135482B (de) | 1962-08-30 |
| SE300211B (es) | 1968-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB598175A (en) | Improvements in or relating to the preparation of melamine | |
| GB1237780A (en) | Processing offgas from the synthesis of melamine | |
| ES265903A1 (es) | Un metodo de preparar melamina | |
| ES8306103A1 (es) | "un procedimiento mejorado para la preparacion de urea". | |
| AT238213B (de) | Verfahren zur Herstellung eines hochreinen, insbesondere von Biuret und Ammoniak freien geschmolzenen Harnstoffs | |
| ES436925A1 (es) | Un procedimiento para preparar acido cianurico. | |
| GB959358A (en) | Production of urea prills of low biuret content | |
| GB1092762A (en) | Production of melamine | |
| ES286233A1 (es) | Procedimiento para la producción de urea partiendo de anhídrido carbónico y amoniaco | |
| ATE40343T1 (de) | Verfahren zur herstellung von cyanamid. | |
| PT71192B (fr) | Procede de preparation de benzoxazolone | |
| NL175523C (nl) | Werkwijze voor het winnen van guanidinecarbonaat. | |
| GB1092761A (en) | Recovery of urea from off-gases from the synthesis of melamine from urea in the gas phase which have been freed from melamine | |
| GB1148991A (en) | Process for synthesising urea | |
| GB1035123A (en) | Process for the preparation of a stabilized formaldehyde solution | |
| GB915234A (en) | Improvements in or relating to the preparation of melamine | |
| GB1049397A (en) | A mixture containing crotonylidenediurea | |
| GB998136A (en) | Preparation of melamine | |
| ES347334A1 (es) | Procedimiento para la obtencion catalitica de melamina. | |
| GB910197A (en) | Preparation of melamine | |
| GB1212661A (en) | Process for the production of granular urea | |
| GB951924A (en) | Process for the preparation of carbamyl chloride | |
| ES462561A1 (es) | Un procedimiento para preparar acido cianurico. | |
| GB974145A (en) | Method for the preparation of cyanic acid vapour from urea | |
| DK104885C (da) | Fremgangsmåde til syntese af urinstof af ammoniak og carbondioxid med tilbageføring af ikke til urinstof omsat ammoniumcarbamat og overskydende ammoniak. |