ATE234823T1 - Verfahren zur herstellung von melamin - Google Patents
Verfahren zur herstellung von melaminInfo
- Publication number
- ATE234823T1 ATE234823T1 AT97926281T AT97926281T ATE234823T1 AT E234823 T1 ATE234823 T1 AT E234823T1 AT 97926281 T AT97926281 T AT 97926281T AT 97926281 T AT97926281 T AT 97926281T AT E234823 T1 ATE234823 T1 AT E234823T1
- Authority
- AT
- Austria
- Prior art keywords
- melamine
- ammonia
- melt
- cooled
- mixture
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title abstract 9
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title abstract 9
- 238000004519 manufacturing process Methods 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 6
- 239000000203 mixture Substances 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002360 preparation method 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1003328A NL1003328C2 (nl) | 1996-06-13 | 1996-06-13 | Werkwijze voor het bereiden van melamine. |
| PCT/NL1997/000333 WO1997047609A1 (en) | 1996-06-13 | 1997-06-11 | Method for the preparation of melamine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE234823T1 true ATE234823T1 (de) | 2003-04-15 |
Family
ID=19763010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97926281T ATE234823T1 (de) | 1996-06-13 | 1997-06-11 | Verfahren zur herstellung von melamin |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6245909B1 (de) |
| EP (1) | EP0920420B1 (de) |
| JP (1) | JP2000511926A (de) |
| CN (1) | CN1165530C (de) |
| AT (1) | ATE234823T1 (de) |
| AU (1) | AU720041B2 (de) |
| DE (1) | DE69719996T2 (de) |
| ES (1) | ES2195143T3 (de) |
| NL (1) | NL1003328C2 (de) |
| NO (1) | NO311721B1 (de) |
| PL (1) | PL190787B1 (de) |
| WO (1) | WO1997047609A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380385B1 (en) | 1995-12-07 | 2002-04-30 | Agrolinz Melanin Gmbh | Process for the preparation of pure melamine |
| DE69813545T2 (de) | 1997-05-21 | 2004-04-08 | Dsm N.V. | Verfahren zur herstellung von melamin |
| ID23012A (id) * | 1997-05-28 | 1999-12-30 | Dsm Nv | Metode bagi pembuatan melamina |
| NL1006192C2 (nl) | 1997-06-02 | 1998-12-03 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| CA2292597A1 (en) * | 1997-06-02 | 1998-12-10 | Dsm N.V. | Method for preparing melamine |
| NL1008571C2 (nl) * | 1998-03-12 | 1999-07-28 | Dsm Nv | Kristallijn melamine. |
| EP1035117A1 (de) * | 1999-03-08 | 2000-09-13 | Dsm N.V. | Verfahren zur Herstellung von Melamin aus Harnstoff |
| SK12292001A3 (sk) * | 1999-03-15 | 2002-02-05 | Agrolinz Melamin Gmbh | Spôsob výroby pevného melamínu |
| EP1138676A1 (de) * | 2000-03-27 | 2001-10-04 | Casale Chemicals SA | Verfahren zur Herstellung von Melamin hoher Reinheit |
| DE10030453B4 (de) * | 2000-06-21 | 2007-07-12 | Faramarz Bairamijamal | Verfahren zur Herstellung von hoch reinem Melamin nach trockener Aufbereitung |
| AT410793B (de) * | 2000-12-27 | 2003-07-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von melamin |
| RU2304456C2 (ru) * | 2001-11-16 | 2007-08-20 | АМИ-Агролинц Меламин Интернейшнл ГмбХ | Способ очистки отходящих газов из установки по производству меламина |
| ITMI20021026A1 (it) * | 2002-05-14 | 2003-11-14 | Eurotecnica Dev & Licensing S | Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione |
| CN115944942B (zh) * | 2022-12-06 | 2024-04-12 | 四川金象赛瑞化工股份有限公司 | 一种氰胺类物质的制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3166294A (en) * | 1961-05-01 | 1965-01-19 | Ford Motor Co | Butterfly valve |
| IE57911B1 (en) * | 1984-01-05 | 1993-05-19 | Melamine Chemicals Inc | Production of melamine |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| AT402295B (de) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
| AT402294B (de) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
| AT402296B (de) * | 1995-02-03 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
| US5514796A (en) | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
| US5514797A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Method for increasing purity of melamine |
-
1996
- 1996-06-13 NL NL1003328A patent/NL1003328C2/nl not_active IP Right Cessation
-
1997
- 1997-06-11 AT AT97926281T patent/ATE234823T1/de not_active IP Right Cessation
- 1997-06-11 WO PCT/NL1997/000333 patent/WO1997047609A1/en not_active Ceased
- 1997-06-11 JP JP10501483A patent/JP2000511926A/ja not_active Ceased
- 1997-06-11 CN CNB971970122A patent/CN1165530C/zh not_active Expired - Fee Related
- 1997-06-11 ES ES97926281T patent/ES2195143T3/es not_active Expired - Lifetime
- 1997-06-11 DE DE69719996T patent/DE69719996T2/de not_active Expired - Lifetime
- 1997-06-11 EP EP97926281A patent/EP0920420B1/de not_active Expired - Lifetime
- 1997-06-11 PL PL330866A patent/PL190787B1/pl not_active IP Right Cessation
- 1997-06-11 AU AU31085/97A patent/AU720041B2/en not_active Ceased
-
1998
- 1998-12-08 NO NO19985744A patent/NO311721B1/no not_active IP Right Cessation
- 1998-12-14 US US09/210,645 patent/US6245909B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| PL190787B1 (pl) | 2006-01-31 |
| NL1003328C2 (nl) | 1997-12-17 |
| DE69719996T2 (de) | 2004-01-08 |
| US6245909B1 (en) | 2001-06-12 |
| JP2000511926A (ja) | 2000-09-12 |
| AU720041B2 (en) | 2000-05-25 |
| WO1997047609A1 (en) | 1997-12-18 |
| EP0920420B1 (de) | 2003-03-19 |
| NO985744L (no) | 1999-01-29 |
| NO311721B1 (no) | 2002-01-14 |
| ES2195143T3 (es) | 2003-12-01 |
| CN1165530C (zh) | 2004-09-08 |
| DE69719996D1 (de) | 2003-04-24 |
| NO985744D0 (no) | 1998-12-08 |
| AU3108597A (en) | 1998-01-07 |
| CN1227549A (zh) | 1999-09-01 |
| PL330866A1 (en) | 1999-06-07 |
| EP0920420A1 (de) | 1999-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
Ref document number: 0920420 Country of ref document: EP |
|
| REN | Ceased due to non-payment of the annual fee |