CN103464208A - 一种碳酸二苯酯合成催化剂的制备方法及其应用 - Google Patents
一种碳酸二苯酯合成催化剂的制备方法及其应用 Download PDFInfo
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- CN103464208A CN103464208A CN2013104361574A CN201310436157A CN103464208A CN 103464208 A CN103464208 A CN 103464208A CN 2013104361574 A CN2013104361574 A CN 2013104361574A CN 201310436157 A CN201310436157 A CN 201310436157A CN 103464208 A CN103464208 A CN 103464208A
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- Prior art keywords
- diphenyl carbonate
- catalyst
- zinc
- copper
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000003054 catalyst Substances 0.000 title claims abstract description 55
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 40
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 claims abstract description 48
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims abstract description 20
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 150000002500 ions Chemical class 0.000 claims abstract description 9
- 239000013110 organic ligand Substances 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 27
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 230000003197 catalytic effect Effects 0.000 claims description 14
- 239000012153 distilled water Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- DSJZKVCWSWVJQH-UHFFFAOYSA-N aminomethyl formate Chemical compound NCOC=O DSJZKVCWSWVJQH-UHFFFAOYSA-N 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 7
- 229910021645 metal ion Inorganic materials 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 6
- 150000003751 zinc Chemical class 0.000 claims description 4
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 4
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 235000005074 zinc chloride Nutrition 0.000 claims description 3
- 239000011592 zinc chloride Substances 0.000 claims description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 3
- 229960001763 zinc sulfate Drugs 0.000 claims description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001455 metallic ions Chemical class 0.000 claims 1
- GTCAXTIRRLKXRU-UHFFFAOYSA-N methyl carbamate Chemical compound COC(N)=O GTCAXTIRRLKXRU-UHFFFAOYSA-N 0.000 abstract description 14
- 239000013384 organic framework Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 239000012621 metal-organic framework Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 239000000047 product Substances 0.000 description 7
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical class COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 5
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 description 3
- SXTLQDJHRPXDSB-UHFFFAOYSA-N copper;dinitrate;trihydrate Chemical compound O.O.O.[Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O SXTLQDJHRPXDSB-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- LOMVENUNSWAXEN-UHFFFAOYSA-N Methyl oxalate Chemical compound COC(=O)C(=O)OC LOMVENUNSWAXEN-UHFFFAOYSA-N 0.000 description 2
- 229910003023 Mg-Al Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- IPBVNPXQWQGGJP-UHFFFAOYSA-N acetic acid phenyl ester Natural products CC(=O)OC1=CC=CC=C1 IPBVNPXQWQGGJP-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- -1 carbonyl benzoic acid ester Chemical class 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229960001545 hydrotalcite Drugs 0.000 description 2
- 229910001701 hydrotalcite Inorganic materials 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000005832 oxidative carbonylation reaction Methods 0.000 description 2
- 229940049953 phenylacetate Drugs 0.000 description 2
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000006324 decarbonylation Effects 0.000 description 1
- 238000006606 decarbonylation reaction Methods 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000006206 glycosylation reaction Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000011968 lewis acid catalyst Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
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- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Abstract
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105251526A (zh) * | 2015-10-27 | 2016-01-20 | 昆明理工大学 | 一种核壳材料催化剂的制备方法及其应用 |
CN105268483A (zh) * | 2015-11-05 | 2016-01-27 | 昆明理工大学 | 一种核壳材料催化剂的制备方法及应用 |
CN105327709A (zh) * | 2014-08-15 | 2016-02-17 | 陕西延长石油(集团)有限责任公司 | 一种用于酯交换法合成碳酸二苯酯的催化剂的制备方法 |
CN106179515A (zh) * | 2016-06-30 | 2016-12-07 | 昆明理工大学 | 一种合成碳酸二苯酯的催化剂的制备方法 |
CN106622139A (zh) * | 2015-11-03 | 2017-05-10 | 中国石油化工股份有限公司 | 一种金属有机骨架材料及其制备方法与应用 |
CN106861640A (zh) * | 2017-04-11 | 2017-06-20 | 中国石油大学(华东) | 一种天然气中有机硫化物吸附脱硫剂的制备方法 |
CN109384665A (zh) * | 2017-08-08 | 2019-02-26 | 中国石油化工股份有限公司 | 一种含有双金属的金属有机骨架材料及其制备方法 |
CN109833914A (zh) * | 2019-03-20 | 2019-06-04 | 河北工业大学 | 一种Cu基金属有机框架负载的钯催化剂及其制备方法和应用 |
CN110283331A (zh) * | 2019-07-03 | 2019-09-27 | 运城学院 | 一种铜锌二元金属配位聚合物的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1391986A (zh) * | 2002-08-12 | 2003-01-22 | 河北工业大学 | 合成碳酸二苯酯用双组分负载型催化剂及其制备方法 |
CN1394679A (zh) * | 2002-07-12 | 2003-02-05 | 河北工业大学 | 酯交换法合成碳酸二苯酯用复合金属氧化物催化剂及其制备方法 |
CN1669655A (zh) * | 2004-12-30 | 2005-09-21 | 中国科学院成都有机化学有限公司 | 酯交换合成碳酸二苯酯用杂多化合物催化剂 |
-
2013
- 2013-09-24 CN CN201310436157.4A patent/CN103464208B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1394679A (zh) * | 2002-07-12 | 2003-02-05 | 河北工业大学 | 酯交换法合成碳酸二苯酯用复合金属氧化物催化剂及其制备方法 |
CN1391986A (zh) * | 2002-08-12 | 2003-01-22 | 河北工业大学 | 合成碳酸二苯酯用双组分负载型催化剂及其制备方法 |
CN1669655A (zh) * | 2004-12-30 | 2005-09-21 | 中国科学院成都有机化学有限公司 | 酯交换合成碳酸二苯酯用杂多化合物催化剂 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105327709B (zh) * | 2014-08-15 | 2017-11-17 | 陕西延长石油(集团)有限责任公司 | 一种用于酯交换法合成碳酸二苯酯的催化剂的制备方法 |
CN105327709A (zh) * | 2014-08-15 | 2016-02-17 | 陕西延长石油(集团)有限责任公司 | 一种用于酯交换法合成碳酸二苯酯的催化剂的制备方法 |
CN105251526A (zh) * | 2015-10-27 | 2016-01-20 | 昆明理工大学 | 一种核壳材料催化剂的制备方法及其应用 |
CN106622139A (zh) * | 2015-11-03 | 2017-05-10 | 中国石油化工股份有限公司 | 一种金属有机骨架材料及其制备方法与应用 |
CN106622139B (zh) * | 2015-11-03 | 2019-05-21 | 中国石油化工股份有限公司 | 一种金属有机骨架材料及其制备方法与应用 |
CN105268483A (zh) * | 2015-11-05 | 2016-01-27 | 昆明理工大学 | 一种核壳材料催化剂的制备方法及应用 |
CN105268483B (zh) * | 2015-11-05 | 2017-07-07 | 昆明理工大学 | 一种核壳材料催化剂的制备方法及应用 |
CN106179515A (zh) * | 2016-06-30 | 2016-12-07 | 昆明理工大学 | 一种合成碳酸二苯酯的催化剂的制备方法 |
CN106179515B (zh) * | 2016-06-30 | 2018-07-24 | 昆明理工大学 | 一种合成碳酸二苯酯的催化剂的制备方法 |
CN106861640A (zh) * | 2017-04-11 | 2017-06-20 | 中国石油大学(华东) | 一种天然气中有机硫化物吸附脱硫剂的制备方法 |
CN109384665A (zh) * | 2017-08-08 | 2019-02-26 | 中国石油化工股份有限公司 | 一种含有双金属的金属有机骨架材料及其制备方法 |
CN109833914A (zh) * | 2019-03-20 | 2019-06-04 | 河北工业大学 | 一种Cu基金属有机框架负载的钯催化剂及其制备方法和应用 |
CN110283331A (zh) * | 2019-07-03 | 2019-09-27 | 运城学院 | 一种铜锌二元金属配位聚合物的制备方法 |
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