NO312194B1 - Fremgangsmåte ved fremstilling av melamin - Google Patents
Fremgangsmåte ved fremstilling av melamin Download PDFInfo
- Publication number
- NO312194B1 NO312194B1 NO19995694A NO995694A NO312194B1 NO 312194 B1 NO312194 B1 NO 312194B1 NO 19995694 A NO19995694 A NO 19995694A NO 995694 A NO995694 A NO 995694A NO 312194 B1 NO312194 B1 NO 312194B1
- Authority
- NO
- Norway
- Prior art keywords
- melamine
- temperature
- melt
- ammonia
- product
- Prior art date
Links
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 84
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000004202 carbamide Substances 0.000 claims abstract description 33
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000007711 solidification Methods 0.000 claims abstract description 15
- 230000008023 solidification Effects 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 30
- 239000007788 liquid Substances 0.000 description 24
- 239000000047 product Substances 0.000 description 15
- 238000005406 washing Methods 0.000 description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 description 11
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 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
- 239000006227 byproduct Substances 0.000 description 3
- 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 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 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 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003507 refrigerant 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)
- Fertilizers (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Plural Heterocyclic Compounds (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1006095A NL1006095C2 (nl) | 1997-05-21 | 1997-05-21 | Werkwijze voor het bereiden van melamine. |
EP97201806 | 1997-06-16 | ||
PCT/NL1998/000278 WO1998052928A1 (en) | 1997-05-21 | 1998-05-15 | Method for preparing melamine |
Publications (3)
Publication Number | Publication Date |
---|---|
NO995694L NO995694L (no) | 1999-11-19 |
NO995694D0 NO995694D0 (no) | 1999-11-19 |
NO312194B1 true NO312194B1 (no) | 2002-04-08 |
Family
ID=26146602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19995694A NO312194B1 (no) | 1997-05-21 | 1999-11-19 | Fremgangsmåte ved fremstilling av melamin |
Country Status (15)
Country | Link |
---|---|
US (1) | US6235902B1 (de) |
EP (1) | EP0983250B1 (de) |
JP (1) | JP2002502373A (de) |
KR (1) | KR100495262B1 (de) |
CN (1) | CN1144792C (de) |
AT (1) | ATE237600T1 (de) |
AU (1) | AU728549B2 (de) |
CA (1) | CA2290478C (de) |
DE (1) | DE69813545T2 (de) |
ES (1) | ES2197470T3 (de) |
ID (1) | ID22917A (de) |
NO (1) | NO312194B1 (de) |
SA (1) | SA98190269B1 (de) |
TW (1) | TW464644B (de) |
WO (1) | WO1998052928A1 (de) |
Families Citing this family (2)
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 |
EP1035117A1 (de) * | 1999-03-08 | 2000-09-13 | Dsm N.V. | Verfahren zur Herstellung von Melamin aus Harnstoff |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8001874A (nl) * | 1980-03-29 | 1981-11-02 | Stamicarbon | Inrichting voor het versproeien van een vloeistof met behulp van een gas. |
SE430559B (sv) * | 1982-04-08 | 1983-11-28 | Alfa Laval Ab | Sett att mjolka och anordning herfor |
US4565867A (en) | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
NL9301098A (nl) * | 1993-06-24 | 1995-01-16 | Texas Industries Inc | Inrichting voor het automatisch melken van dieren. |
NL9301214A (nl) * | 1993-07-12 | 1995-02-01 | Texas Industries Inc | Inrichting voor het automatisch melken van dieren. |
NL9301378A (nl) * | 1993-08-09 | 1995-03-01 | Lely Nv C Van Der | Inrichting voor het automatisch melken van dieren. |
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 |
AT403579B (de) | 1995-12-07 | 1998-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
NL1003105C2 (nl) | 1996-05-14 | 1997-11-18 | Dsm Nv | Werkwijze voor de bereiding van melamine. |
NL1003328C2 (nl) | 1996-06-13 | 1997-12-17 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
AU729323B2 (en) * | 1997-05-28 | 2001-02-01 | Dsm Ip Assets B.V. | Method for preparing melamine |
ID24348A (id) * | 1997-06-02 | 2000-07-13 | Dsm Nv | Metode untuk penyiapan melamin |
EP1604985A3 (de) * | 1997-06-02 | 2007-08-08 | DSM IP Assets B.V. | Kristallines Melamin |
-
1998
- 1998-05-15 AT AT98923214T patent/ATE237600T1/de not_active IP Right Cessation
- 1998-05-15 DE DE69813545T patent/DE69813545T2/de not_active Expired - Fee Related
- 1998-05-15 WO PCT/NL1998/000278 patent/WO1998052928A1/en active IP Right Grant
- 1998-05-15 JP JP55025998A patent/JP2002502373A/ja not_active Ceased
- 1998-05-15 CN CNB98805213XA patent/CN1144792C/zh not_active Expired - Fee Related
- 1998-05-15 KR KR10-1999-7010413A patent/KR100495262B1/ko not_active IP Right Cessation
- 1998-05-15 ID IDW991420A patent/ID22917A/id unknown
- 1998-05-15 AU AU75553/98A patent/AU728549B2/en not_active Ceased
- 1998-05-15 ES ES98923214T patent/ES2197470T3/es not_active Expired - Lifetime
- 1998-05-15 EP EP98923214A patent/EP0983250B1/de not_active Expired - Lifetime
- 1998-05-15 CA CA002290478A patent/CA2290478C/en not_active Expired - Fee Related
- 1998-05-19 TW TW087107726A patent/TW464644B/zh not_active IP Right Cessation
- 1998-07-08 SA SA98190269A patent/SA98190269B1/ar unknown
-
1999
- 1999-11-19 NO NO19995694A patent/NO312194B1/no unknown
- 1999-11-22 US US09/444,302 patent/US6235902B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW464644B (en) | 2001-11-21 |
US6235902B1 (en) | 2001-05-22 |
EP0983250B1 (de) | 2003-04-16 |
DE69813545D1 (de) | 2003-05-22 |
ATE237600T1 (de) | 2003-05-15 |
CA2290478C (en) | 2008-07-29 |
CA2290478A1 (en) | 1998-11-26 |
WO1998052928A1 (en) | 1998-11-26 |
EP0983250A1 (de) | 2000-03-08 |
NO995694L (no) | 1999-11-19 |
AU728549B2 (en) | 2001-01-11 |
CN1144792C (zh) | 2004-04-07 |
DE69813545T2 (de) | 2004-04-08 |
KR20010012459A (ko) | 2001-02-15 |
NO995694D0 (no) | 1999-11-19 |
AU7555398A (en) | 1998-12-11 |
KR100495262B1 (ko) | 2005-06-14 |
ID22917A (id) | 1999-12-16 |
JP2002502373A (ja) | 2002-01-22 |
CN1256689A (zh) | 2000-06-14 |
ES2197470T3 (es) | 2004-01-01 |
SA98190269B1 (ar) | 2006-08-15 |
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