NO311721B1 - Fremgangsmåte ved fremstilling av melamin - Google Patents
Fremgangsmåte ved fremstilling av melamin Download PDFInfo
- Publication number
- NO311721B1 NO311721B1 NO19985744A NO985744A NO311721B1 NO 311721 B1 NO311721 B1 NO 311721B1 NO 19985744 A NO19985744 A NO 19985744A NO 985744 A NO985744 A NO 985744A NO 311721 B1 NO311721 B1 NO 311721B1
- Authority
- NO
- Norway
- Prior art keywords
- melamine
- liquid
- melt
- ammonia
- reactor
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 214
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 238000000034 method Methods 0.000 title claims abstract description 31
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 122
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000004202 carbamide Substances 0.000 claims abstract description 62
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 50
- 239000000047 product Substances 0.000 claims description 31
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 13
- MEUAVGJWGDPTLF-UHFFFAOYSA-N 4-(5-benzenesulfonylamino-1-methyl-1h-benzoimidazol-2-ylmethyl)-benzamidine Chemical compound N=1C2=CC(NS(=O)(=O)C=3C=CC=CC=3)=CC=C2N(C)C=1CC1=CC=C(C(N)=N)C=C1 MEUAVGJWGDPTLF-UHFFFAOYSA-N 0.000 claims description 6
- 239000006227 byproduct Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 description 50
- 241000196324 Embryophyta Species 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- YZEZMSPGIPTEBA-UHFFFAOYSA-N 2-n-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(NC=2N=C(N)N=C(N)N=2)=N1 YZEZMSPGIPTEBA-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004640 Melamine resin Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 241000219112 Cucumis Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- USDJGQLNFPZEON-UHFFFAOYSA-N [[4,6-bis(hydroxymethylamino)-1,3,5-triazin-2-yl]amino]methanol Chemical compound OCNC1=NC(NCO)=NC(NCO)=N1 USDJGQLNFPZEON-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 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 (3)
Publication Number | Publication Date |
---|---|
NO985744D0 NO985744D0 (no) | 1998-12-08 |
NO985744L NO985744L (no) | 1999-01-29 |
NO311721B1 true NO311721B1 (no) | 2002-01-14 |
Family
ID=19763010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19985744A NO311721B1 (no) | 1996-06-13 | 1998-12-08 | Fremgangsmåte ved fremstilling av 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 |
CN1144792C (zh) | 1997-05-21 | 2004-04-07 | Dsm有限公司 | 制备蜜胺的方法 |
CA2291736A1 (en) * | 1997-05-28 | 1998-12-03 | Dsm N.V. | Method for preparing melamine |
WO1998055466A1 (en) * | 1997-06-02 | 1998-12-10 | Dsm N.V. | Method for preparing melamine |
NL1006192C2 (nl) | 1997-06-02 | 1998-12-03 | Dsm Nv | Werkwijze voor het bereiden van 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 |
DE50010873D1 (de) | 1999-03-15 | 2005-09-08 | Ami Agrolinz Melamine Int Gmbh | Verfahren zur herstellung von festem melamin |
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 |
PL206366B1 (pl) * | 2001-11-16 | 2010-07-30 | Ami Agrolinz Melamine International Gmbhami Agrolinz Melamine International Gmbh | Sposób oczyszczania gazu wylotowego z wysokociśnieniowej instalacji do wytwarzania melaminy oraz urządzenie do oczyszczania gazu wylotowego z wysokociśnieniowej instalacji do wytwarzania melaminy |
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 |
US5514797A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Method for increasing purity of melamine |
US5514796A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
-
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 ES ES97926281T patent/ES2195143T3/es not_active Expired - Lifetime
- 1997-06-11 JP JP10501483A patent/JP2000511926A/ja not_active Ceased
- 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
- 1997-06-11 CN CNB971970122A patent/CN1165530C/zh not_active Expired - Fee Related
- 1997-06-11 EP EP97926281A patent/EP0920420B1/de not_active Expired - Lifetime
- 1997-06-11 DE DE69719996T patent/DE69719996T2/de not_active Expired - Lifetime
- 1997-06-11 WO PCT/NL1997/000333 patent/WO1997047609A1/en active IP Right Grant
-
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 |
---|---|
DE69719996T2 (de) | 2004-01-08 |
EP0920420B1 (de) | 2003-03-19 |
NO985744D0 (no) | 1998-12-08 |
NO985744L (no) | 1999-01-29 |
NL1003328C2 (nl) | 1997-12-17 |
CN1165530C (zh) | 2004-09-08 |
ES2195143T3 (es) | 2003-12-01 |
PL190787B1 (pl) | 2006-01-31 |
JP2000511926A (ja) | 2000-09-12 |
PL330866A1 (en) | 1999-06-07 |
WO1997047609A1 (en) | 1997-12-18 |
ATE234823T1 (de) | 2003-04-15 |
AU720041B2 (en) | 2000-05-25 |
US6245909B1 (en) | 2001-06-12 |
EP0920420A1 (de) | 1999-06-09 |
AU3108597A (en) | 1998-01-07 |
DE69719996D1 (de) | 2003-04-24 |
CN1227549A (zh) | 1999-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |