CN111892610B - 一种高效捕集纯化均苯四甲酸二酐的方法 - Google Patents
一种高效捕集纯化均苯四甲酸二酐的方法 Download PDFInfo
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- CN111892610B CN111892610B CN202010829104.9A CN202010829104A CN111892610B CN 111892610 B CN111892610 B CN 111892610B CN 202010829104 A CN202010829104 A CN 202010829104A CN 111892610 B CN111892610 B CN 111892610B
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- Prior art keywords
- pyromellitic dianhydride
- temperature
- purifying
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- following
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- 238000000034 method Methods 0.000 title claims abstract description 45
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 title claims abstract description 44
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 54
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 24
- 230000007062 hydrolysis Effects 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000002121 nanofiber Substances 0.000 claims abstract description 19
- 239000000047 product Substances 0.000 claims abstract description 18
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000011261 inert gas Substances 0.000 claims abstract description 12
- 238000000859 sublimation Methods 0.000 claims abstract description 11
- 230000008022 sublimation Effects 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 239000000706 filtrate Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 229910021426 porous silicon Inorganic materials 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000003301 hydrolyzing effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- SQNZJJAZBFDUTD-UHFFFAOYSA-N durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005653 Brownian motion process Effects 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004693 Polybenzimidazole Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005537 brownian motion Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005092 sublimation method Methods 0.000 description 1
- 238000003883 substance clean up Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
收率,% | 纯度,% | |
实施例1 | 98.3 | 99.7 |
实施例2 | 98.5 | 99.8 |
实施例3 | 98.6 | 99.5 |
实施例4 | 98.5 | 99.5 |
实施例5 | 98.7 | 99.7 |
对比例1 | 75.8 | 89.5 |
对比例2 | 83.5 | 88.3 |
Claims (10)
Priority Applications (1)
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CN202010829104.9A CN111892610B (zh) | 2020-08-18 | 2020-08-18 | 一种高效捕集纯化均苯四甲酸二酐的方法 |
Applications Claiming Priority (1)
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CN202010829104.9A CN111892610B (zh) | 2020-08-18 | 2020-08-18 | 一种高效捕集纯化均苯四甲酸二酐的方法 |
Publications (2)
Publication Number | Publication Date |
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CN111892610A CN111892610A (zh) | 2020-11-06 |
CN111892610B true CN111892610B (zh) | 2021-05-11 |
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CN202010829104.9A Active CN111892610B (zh) | 2020-08-18 | 2020-08-18 | 一种高效捕集纯化均苯四甲酸二酐的方法 |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101735232A (zh) * | 2008-11-11 | 2010-06-16 | 黄山市德平化工有限公司 | 均苯四甲酸二酐的生产方法 |
CN102336761A (zh) * | 2010-12-17 | 2012-02-01 | 常熟市联邦化工有限公司 | 一种均苯四甲酸二酐的捕集提纯方法 |
CN102898435B (zh) * | 2012-10-19 | 2015-06-24 | 东营市中捷化工有限公司 | 超低金属离子含量的均苯四甲酸二酐的制备方法 |
CN108329327B (zh) * | 2018-04-17 | 2020-07-14 | 连云港鹏辰特种新材料有限公司 | 一种基于结晶升华的粗均苯四甲酸二酐的提纯方法 |
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2020
- 2020-08-18 CN CN202010829104.9A patent/CN111892610B/zh active Active
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Denomination of invention: An efficient method for capturing and purifying pyromellitic dianhydride Effective date of registration: 20230814 Granted publication date: 20210511 Pledgee: Bank of Suzhou Limited by Share Ltd. Ganyu branch Pledgor: LIANYUNGANG PENGCHEN SPECIAL NEW MATERIAL Co.,Ltd. Registration number: Y2023980051986 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Granted publication date: 20210511 Pledgee: Bank of Suzhou Limited by Share Ltd. Ganyu branch Pledgor: LIANYUNGANG PENGCHEN SPECIAL NEW MATERIAL Co.,Ltd. Registration number: Y2023980051986 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: An efficient method for capturing and purifying phthalic anhydride Granted publication date: 20210511 Pledgee: Bank of Suzhou Limited by Share Ltd. Ganyu branch Pledgor: LIANYUNGANG PENGCHEN SPECIAL NEW MATERIAL Co.,Ltd. Registration number: Y2024980013551 |