NO316678B1 - Krystallinsk melamin - Google Patents
Krystallinsk melamin Download PDFInfo
- Publication number
- NO316678B1 NO316678B1 NO20004508A NO20004508A NO316678B1 NO 316678 B1 NO316678 B1 NO 316678B1 NO 20004508 A NO20004508 A NO 20004508A NO 20004508 A NO20004508 A NO 20004508A NO 316678 B1 NO316678 B1 NO 316678B1
- Authority
- NO
- Norway
- Prior art keywords
- melamine
- powder
- multicrystalline
- cooled
- melamine powder
- 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 180
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 claims abstract description 22
- 241001550224 Apha Species 0.000 claims abstract description 12
- 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 claims abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 108
- 238000001816 cooling Methods 0.000 claims description 44
- 229910021529 ammonia Inorganic materials 0.000 claims description 42
- 239000000843 powder Substances 0.000 claims description 32
- 239000007921 spray Substances 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000004383 yellowing Methods 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 36
- 239000000047 product Substances 0.000 description 28
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 23
- 239000004202 carbamide Substances 0.000 description 23
- 239000007789 gas Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 7
- 239000012482 calibration solution Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000004438 BET method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000011481 absorbance measurement Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000007974 melamines Chemical class 0.000 description 2
- YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000001393 triammonium citrate Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 235000011299 Brassica oleracea var botrytis Nutrition 0.000 description 1
- 240000003259 Brassica oleracea var. botrytis Species 0.000 description 1
- 229910021580 Cobalt(II) chloride Inorganic materials 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000282326 Felis catus 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
- 230000002411 adverse Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004247 glycine and its sodium salt Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- C07D251/62—Purification of melamine
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1008571A NL1008571C2 (nl) | 1998-03-12 | 1998-03-12 | Kristallijn melamine. |
| PCT/NL1999/000130 WO1999046251A1 (en) | 1998-03-12 | 1999-03-10 | Crystalline melamine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20004508D0 NO20004508D0 (no) | 2000-09-08 |
| NO20004508L NO20004508L (no) | 2000-11-10 |
| NO316678B1 true NO316678B1 (no) | 2004-03-29 |
Family
ID=19766729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20004508A NO316678B1 (no) | 1998-03-12 | 2000-09-08 | Krystallinsk melamin |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US6166204A (de) |
| EP (2) | EP1073646B1 (de) |
| JP (1) | JP2002506064A (de) |
| KR (1) | KR100553074B1 (de) |
| CN (1) | CN1149203C (de) |
| AT (2) | ATE268326T1 (de) |
| AU (1) | AU748368B2 (de) |
| CA (1) | CA2323431C (de) |
| DE (2) | DE69917768T2 (de) |
| EG (1) | EG22546A (de) |
| ES (1) | ES2222687T3 (de) |
| GB (1) | GB2335191B (de) |
| ID (1) | ID25646A (de) |
| NL (1) | NL1008571C2 (de) |
| NO (1) | NO316678B1 (de) |
| PL (1) | PL197256B1 (de) |
| RU (1) | RU2232756C2 (de) |
| SA (1) | SA99191211B1 (de) |
| TW (1) | TW526185B (de) |
| WO (1) | WO1999046251A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1013456C2 (nl) * | 1999-11-02 | 2001-05-03 | Dsm Nv | Kristallijn melamine en de toepassing in aminoformaldehydeharsen. |
| SE523775C2 (sv) * | 2002-03-19 | 2004-05-18 | Kawasaki Steel Co | Förfarande för beläggning av pulver i en fluidiserad bädd |
| NL1022764C2 (nl) * | 2003-02-24 | 2004-08-26 | Dsm Nv | Natte quench. |
| US7404875B2 (en) | 2004-04-28 | 2008-07-29 | Georgia-Pacific Consumer Products Lp | Modified creping adhesive composition and method of use thereof |
| KR101882043B1 (ko) * | 2011-03-28 | 2018-07-25 | 디에스엠 아이피 어셋츠 비.브이. | 멜라민 축합 생성물의 제조 방법 |
| CN109529397A (zh) * | 2018-12-28 | 2019-03-29 | 四川金象赛瑞化工股份有限公司 | 一种凝华结晶设备及结晶方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3681274A (en) * | 1970-07-23 | 1972-08-01 | Us Plywood Champ Papers Inc | Ammonical fluorides for formaldehyde resin systems |
| US4473119A (en) * | 1983-04-14 | 1984-09-25 | Marathon Oil Company | Process for selectively plugging subterranean formations with a melamine resin |
| DE3546893C3 (de) * | 1984-01-05 | 1998-01-29 | Melamine Chemicals Inc | Wasserfreie Hochdruck-Melamin-Synthese |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| IE57911B1 (en) * | 1984-01-05 | 1993-05-19 | Melamine Chemicals Inc | Production of melamine |
| FI96028C (fi) * | 1993-07-01 | 1996-04-25 | Kemira Oy | Menetelmä melamiinin valmistamiseksi |
| IT1261841B (it) * | 1993-08-23 | 1996-06-03 | Conser Spa | Procedimento per la produzione di melammina ad alta purezza. |
| AT402294B (de) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
| AT402295B (de) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von 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 |
| 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. |
| US6375788B1 (en) * | 1996-07-16 | 2002-04-23 | Premark Rwp Holdings, Inc. | Method of coating melamine resin on laminating paper |
| NL1003709C2 (nl) * | 1996-07-30 | 1998-02-05 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| EP0986546B1 (de) * | 1997-06-02 | 2007-03-28 | DSM IP Assets B.V. | Kristallines melamin |
-
1998
- 1998-03-12 NL NL1008571A patent/NL1008571C2/nl not_active IP Right Cessation
-
1999
- 1999-03-05 TW TW088103410A patent/TW526185B/zh not_active IP Right Cessation
- 1999-03-09 GB GB9905419A patent/GB2335191B/en not_active Expired - Fee Related
- 1999-03-10 CA CA002323431A patent/CA2323431C/en not_active Expired - Fee Related
- 1999-03-10 JP JP2000535632A patent/JP2002506064A/ja active Pending
- 1999-03-10 EP EP99909417A patent/EP1073646B1/de not_active Revoked
- 1999-03-10 WO PCT/NL1999/000130 patent/WO1999046251A1/en active IP Right Grant
- 1999-03-10 EP EP04076569A patent/EP1479672A1/de not_active Withdrawn
- 1999-03-10 CN CNB998039012A patent/CN1149203C/zh not_active Expired - Fee Related
- 1999-03-10 KR KR1020007009816A patent/KR100553074B1/ko not_active IP Right Cessation
- 1999-03-10 DE DE69917768T patent/DE69917768T2/de not_active Expired - Lifetime
- 1999-03-10 RU RU2000125687/04A patent/RU2232756C2/ru not_active IP Right Cessation
- 1999-03-10 ID IDW20001750A patent/ID25646A/id unknown
- 1999-03-10 AT AT99909417T patent/ATE268326T1/de active
- 1999-03-10 PL PL342738A patent/PL197256B1/pl unknown
- 1999-03-10 ES ES99909417T patent/ES2222687T3/es not_active Expired - Lifetime
- 1999-03-10 AU AU28619/99A patent/AU748368B2/en not_active Ceased
- 1999-03-11 EG EG24399A patent/EG22546A/xx active
- 1999-03-11 DE DE19910909A patent/DE19910909B4/de not_active Expired - Fee Related
- 1999-03-11 AT AT0043499A patent/AT500514B1/de not_active IP Right Cessation
- 1999-03-12 US US09/266,809 patent/US6166204A/en not_active Expired - Lifetime
- 1999-03-21 SA SA99191211A patent/SA99191211B1/ar unknown
-
2000
- 2000-09-08 NO NO20004508A patent/NO316678B1/no not_active IP Right Cessation
Also Published As
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| EA003336B1 (ru) | Способ получения меламина | |
| WO2003022823A1 (en) | Process for obtaining crystalline melamine from melamine melt | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |