CN114920668B - 一种制备低氯代杂质异氰酸酯的方法 - Google Patents
一种制备低氯代杂质异氰酸酯的方法 Download PDFInfo
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- CN114920668B CN114920668B CN202210522105.8A CN202210522105A CN114920668B CN 114920668 B CN114920668 B CN 114920668B CN 202210522105 A CN202210522105 A CN 202210522105A CN 114920668 B CN114920668 B CN 114920668B
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- phosgene
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- phosgenation
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- 239000012948 isocyanate Substances 0.000 title claims abstract description 65
- 150000002513 isocyanates Chemical class 0.000 title claims abstract description 65
- 239000000460 chlorine Substances 0.000 title claims abstract description 61
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000012535 impurity Substances 0.000 title claims abstract description 38
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 208
- 238000006243 chemical reaction Methods 0.000 claims abstract description 143
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 46
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 42
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 21
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 21
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 15
- 238000007872 degassing Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 105
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 60
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 55
- 230000015572 biosynthetic process Effects 0.000 claims description 36
- 239000012071 phase Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 25
- 150000001412 amines Chemical class 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 23
- 238000007670 refining Methods 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 238000004064 recycling Methods 0.000 claims description 12
- 239000012442 inert solvent Substances 0.000 claims description 11
- 230000035484 reaction time Effects 0.000 claims description 11
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 7
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims description 6
- -1 4' -diaminodicyclohexylmethane diamine Chemical class 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 229940117389 dichlorobenzene Drugs 0.000 claims description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims description 4
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical class CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 4
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 4
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims description 3
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 2
- RLYCRLGLCUXUPO-UHFFFAOYSA-N 2,6-diaminotoluene Chemical compound CC1=C(N)C=CC=C1N RLYCRLGLCUXUPO-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- VKIRRGRTJUUZHS-UHFFFAOYSA-N cyclohexane-1,4-diamine Chemical compound NC1CCC(N)CC1 VKIRRGRTJUUZHS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 239000012495 reaction gas Substances 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 20
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000004807 desolvation Methods 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
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- 238000000354 decomposition reaction Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000007259 addition reaction Methods 0.000 description 3
- 150000001718 carbodiimides Chemical class 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 239000012086 standard solution Substances 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- IDKXMGZRWKCTGA-UHFFFAOYSA-N chloroimino(oxo)methane Chemical compound ClN=C=O IDKXMGZRWKCTGA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- CDMDQYCEEKCBGR-UHFFFAOYSA-N 1,4-diisocyanatocyclohexane Chemical compound O=C=NC1CCC(N=C=O)CC1 CDMDQYCEEKCBGR-UHFFFAOYSA-N 0.000 description 1
- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 description 1
- JTKYSNGQXQWFML-UHFFFAOYSA-N 1-isocyanato-2-[2-(2-isocyanatophenyl)ethyl]benzene Chemical compound O=C=NC1=CC=CC=C1CCC1=CC=CC=C1N=C=O JTKYSNGQXQWFML-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- SYKNUAWMBRIEKB-UHFFFAOYSA-N [Cl].[Br] Chemical compound [Cl].[Br] SYKNUAWMBRIEKB-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/80—Phosgene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (24)
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CN202210522105.8A CN114920668B (zh) | 2022-05-13 | 2022-05-13 | 一种制备低氯代杂质异氰酸酯的方法 |
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CN114920668A CN114920668A (zh) | 2022-08-19 |
CN114920668B true CN114920668B (zh) | 2023-10-13 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN118026893A (zh) * | 2022-11-11 | 2024-05-14 | 万华化学(宁波)有限公司 | 一种低单苯环类杂质含量的粗异氰酸酯的生产工艺 |
WO2024103324A1 (zh) * | 2022-11-17 | 2024-05-23 | 万华化学集团股份有限公司 | 一种异氰酸酯组合物、改性组合物和聚氨酯弹性体 |
CN115850650A (zh) * | 2022-11-17 | 2023-03-28 | 万华化学集团股份有限公司 | 一种异氰酸酯组合物及其制备方法和应用 |
CN115746251A (zh) * | 2022-11-17 | 2023-03-07 | 万华化学集团股份有限公司 | 一种异氰酸酯组合物、改性组合物和聚氨酯弹性体 |
CN115894296A (zh) * | 2022-11-17 | 2023-04-04 | 万华化学集团股份有限公司 | 一种异氰酸酯组合物、改性异氰酸酯、聚氨酯树脂和光学材料 |
CN116217439A (zh) * | 2023-01-03 | 2023-06-06 | 万华化学集团股份有限公司 | 一种光气化制备mdi的循环溶剂及其提纯方法 |
CN116063204B (zh) * | 2023-01-03 | 2024-04-09 | 万华化学(宁波)有限公司 | 一种低卤代杂质的异氰酸酯的制备方法 |
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CN1729168A (zh) * | 2002-12-19 | 2006-02-01 | 巴斯福股份公司 | 连续生产异氰酸酯的方法 |
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CN102092713A (zh) * | 2010-12-13 | 2011-06-15 | 甘肃银光聚银化工有限公司 | 连续制备光气的方法 |
CN102317255A (zh) * | 2008-11-26 | 2012-01-11 | 亨茨曼国际有限公司 | 制备异氰酸酯的方法 |
CN103724229A (zh) * | 2013-12-13 | 2014-04-16 | 青岛科技大学 | 一种甲苯二异氰酸酯生产过程中的脱水方法 |
CN107935889A (zh) * | 2017-11-29 | 2018-04-20 | 万华化学集团股份有限公司 | 一种单异氰酸酯的制备方法及系统 |
CN111760581A (zh) * | 2019-08-30 | 2020-10-13 | 万华化学(宁波)有限公司 | 制备光气的催化剂及其制备方法和光气制备与能源综合利用的方法 |
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DE10261187A1 (de) * | 2002-12-20 | 2004-07-08 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
DE102008009761A1 (de) * | 2008-02-19 | 2009-08-27 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten |
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CN102317255A (zh) * | 2008-11-26 | 2012-01-11 | 亨茨曼国际有限公司 | 制备异氰酸酯的方法 |
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