CN105399940A - 一种聚醚胺的制备方法 - Google Patents
一种聚醚胺的制备方法 Download PDFInfo
- Publication number
- CN105399940A CN105399940A CN201510759749.9A CN201510759749A CN105399940A CN 105399940 A CN105399940 A CN 105399940A CN 201510759749 A CN201510759749 A CN 201510759749A CN 105399940 A CN105399940 A CN 105399940A
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- metal catalyst
- hydrogen
- polyether glycol
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- Granted
Links
- 229920000570 polyether Polymers 0.000 title claims abstract description 86
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 150000001412 amines Chemical class 0.000 title abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 39
- 239000001257 hydrogen Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 52
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 30
- 238000000975 co-precipitation Methods 0.000 claims description 28
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 26
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 22
- 230000004913 activation Effects 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 239000011701 zinc Substances 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- 229910052763 palladium Inorganic materials 0.000 claims description 11
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 11
- 229920001451 polypropylene glycol Polymers 0.000 claims description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052707 ruthenium Inorganic materials 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 150000002815 nickel Chemical class 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 150000002751 molybdenum Chemical class 0.000 claims description 3
- 150000002940 palladium Chemical class 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 150000003303 ruthenium Chemical class 0.000 claims description 3
- 150000003751 zinc Chemical class 0.000 claims description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 56
- 239000006227 byproduct Substances 0.000 abstract description 18
- 238000005576 amination reaction Methods 0.000 abstract description 9
- 125000001931 aliphatic group Chemical group 0.000 abstract description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 229920005862 polyol Polymers 0.000 abstract 2
- 150000003077 polyols Chemical class 0.000 abstract 2
- PLYTVAFAKDFFKM-UHFFFAOYSA-N 3,4-dimethylmorpholine Chemical compound CC1COCCN1C PLYTVAFAKDFFKM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 36
- 239000007788 liquid Substances 0.000 description 24
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- 238000003756 stirring Methods 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 229910021529 ammonia Inorganic materials 0.000 description 18
- FQXXSQDCDRQNQE-VMDGZTHMSA-N thebaine Chemical class C([C@@H](N(CC1)C)C2=CC=C3OC)C4=CC=C(OC)C5=C4[C@@]21[C@H]3O5 FQXXSQDCDRQNQE-VMDGZTHMSA-N 0.000 description 15
- 238000000605 extraction Methods 0.000 description 14
- 239000012685 metal catalyst precursor Substances 0.000 description 12
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 12
- 239000012065 filter cake Substances 0.000 description 11
- 239000002243 precursor Substances 0.000 description 11
- 230000009466 transformation Effects 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000004587 chromatography analysis Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000005070 sampling Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 6
- NGIISMJJMXRCCT-UHFFFAOYSA-N [Ru].[N+](=O)(O)[O-] Chemical compound [Ru].[N+](=O)(O)[O-] NGIISMJJMXRCCT-UHFFFAOYSA-N 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 4
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 4
- 238000007039 two-step reaction Methods 0.000 description 4
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005915 ammonolysis reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- DBRMBYFUMAFZOB-UHFFFAOYSA-N molybdenum nitric acid Chemical compound [Mo].[N+](=O)(O)[O-] DBRMBYFUMAFZOB-UHFFFAOYSA-N 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- AETNJTRVQSSXDF-UHFFFAOYSA-H [Mo+6].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O Chemical compound [Mo+6].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O AETNJTRVQSSXDF-UHFFFAOYSA-H 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000012018 catalyst precursor Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- RFLFDJSIZCCYIP-UHFFFAOYSA-L palladium(2+);sulfate Chemical compound [Pd+2].[O-]S([O-])(=O)=O RFLFDJSIZCCYIP-UHFFFAOYSA-L 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- DKNJHLHLMWHWOI-UHFFFAOYSA-L ruthenium(2+);sulfate Chemical compound [Ru+2].[O-]S([O-])(=O)=O DKNJHLHLMWHWOI-UHFFFAOYSA-L 0.000 description 1
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/325—Polymers modified by chemical after-treatment with inorganic compounds containing nitrogen
- C08G65/3255—Ammonia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/50—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing nitrogen, e.g. polyetheramines or Jeffamines(r)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
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CN201510759749.9A CN105399940B (zh) | 2015-11-10 | 2015-11-10 | 一种聚醚胺的制备方法 |
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CN201510759749.9A CN105399940B (zh) | 2015-11-10 | 2015-11-10 | 一种聚醚胺的制备方法 |
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CN105399940A true CN105399940A (zh) | 2016-03-16 |
CN105399940B CN105399940B (zh) | 2017-09-19 |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105860053A (zh) * | 2016-04-20 | 2016-08-17 | 南京林业大学 | 一种连续制备端仲氨基聚醚的方法及其专用催化剂 |
CN106995378A (zh) * | 2017-03-13 | 2017-08-01 | 浙江皇马表面活性剂研究有限公司 | 一种聚醚胺的连续化生产方法 |
CN107141225A (zh) * | 2017-06-22 | 2017-09-08 | 江苏飞翔化工股份有限公司 | 一种聚醚胺合成方法 |
WO2018032522A1 (zh) * | 2016-08-18 | 2018-02-22 | 万华化学集团股份有限公司 | 用于聚醚胺合成的负载型催化剂及其制备方法 |
CN107880260A (zh) * | 2017-12-21 | 2018-04-06 | 红宝丽集团股份有限公司 | 一种小分子量端氨基聚醚的连续制备装置及制备方法 |
CN108395528A (zh) * | 2018-01-22 | 2018-08-14 | 万华化学集团股份有限公司 | 一种聚醚多元醇及其制备方法、一种聚醚胺的制备方法及制备的聚醚胺 |
CN109569653A (zh) * | 2018-12-19 | 2019-04-05 | 山东玉皇化工有限公司 | 一种用于合成端氨基聚醚的催化剂的制备方法及应用 |
CN111440308A (zh) * | 2020-04-29 | 2020-07-24 | 浙江皇马科技股份有限公司 | 一种用于汽油清净剂的聚醚胺合成工艺 |
CN111530472A (zh) * | 2020-05-08 | 2020-08-14 | 迈奇化学股份有限公司 | 一种钛基非均相胺化复合催化剂及其在生产液晶面板用n-甲基吡咯烷酮中的应用 |
CN112898558A (zh) * | 2019-12-03 | 2021-06-04 | 中国科学院大连化学物理研究所 | 一种聚醚多元醇临氢胺化制备聚醚胺的方法 |
CN115608374A (zh) * | 2022-08-02 | 2023-01-17 | 上海竹虹新材料科技有限公司 | 一种用于聚醚胺合成的多金属催化剂及其制备方法 |
CN115678396A (zh) * | 2022-11-23 | 2023-02-03 | 扬州晨化新材料股份有限公司 | 一种聚脲涂层材料及其在制备风电叶片涂层上的应用 |
CN115739102A (zh) * | 2022-11-14 | 2023-03-07 | 万华化学集团股份有限公司 | 临氢胺化催化剂的制备方法及用于聚醚多元醇胺化反应的方法 |
CN117414846A (zh) * | 2023-12-13 | 2024-01-19 | 万华化学集团股份有限公司 | 一种胺化催化剂的活化方法及其应用 |
CN118184986A (zh) * | 2024-03-20 | 2024-06-14 | 扬州晨化新材料股份有限公司 | 一种含氟聚醚胺及其制备方法 |
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CN104119239A (zh) * | 2014-08-12 | 2014-10-29 | 无锡阿科力科技股份有限公司 | 连续法生产小分子量聚醚胺的工艺 |
CN104419002A (zh) * | 2013-08-20 | 2015-03-18 | 中国石油化工股份有限公司 | 一种端氨基聚醚的生产方法 |
CN104693434A (zh) * | 2015-03-04 | 2015-06-10 | 扬州晨化新材料股份有限公司 | 一种固定床连续化合成聚醚胺的生产方法 |
-
2015
- 2015-11-10 CN CN201510759749.9A patent/CN105399940B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104419002A (zh) * | 2013-08-20 | 2015-03-18 | 中国石油化工股份有限公司 | 一种端氨基聚醚的生产方法 |
CN104119239A (zh) * | 2014-08-12 | 2014-10-29 | 无锡阿科力科技股份有限公司 | 连续法生产小分子量聚醚胺的工艺 |
CN104693434A (zh) * | 2015-03-04 | 2015-06-10 | 扬州晨化新材料股份有限公司 | 一种固定床连续化合成聚醚胺的生产方法 |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105860053B (zh) * | 2016-04-20 | 2018-08-14 | 南京林业大学 | 一种连续制备端仲氨基聚醚的方法及其专用催化剂 |
CN105860053A (zh) * | 2016-04-20 | 2016-08-17 | 南京林业大学 | 一种连续制备端仲氨基聚醚的方法及其专用催化剂 |
EP3501638A4 (en) * | 2016-08-18 | 2020-04-01 | Wanhua Chemical Group Co., Ltd. | SUPPORTED CATALYST USED FOR SYNTHESIZING POLYETHER AMINE, AND MANUFACTURING METHOD |
CN107754813A (zh) * | 2016-08-18 | 2018-03-06 | 万华化学集团股份有限公司 | 一种用于聚醚胺合成的负载型催化剂及其制备方法 |
WO2018032522A1 (zh) * | 2016-08-18 | 2018-02-22 | 万华化学集团股份有限公司 | 用于聚醚胺合成的负载型催化剂及其制备方法 |
US11045794B2 (en) | 2016-08-18 | 2021-06-29 | Wanhua Chemical Group Co., Ltd. | Supported catalyst used for synthesizing polyether amine, and manufacturing method |
CN107754813B (zh) * | 2016-08-18 | 2019-09-20 | 万华化学集团股份有限公司 | 一种用于聚醚胺合成的负载型催化剂及其制备方法 |
CN106995378B (zh) * | 2017-03-13 | 2019-05-24 | 浙江皇马表面活性剂研究有限公司 | 一种聚醚胺的连续化生产方法 |
CN106995378A (zh) * | 2017-03-13 | 2017-08-01 | 浙江皇马表面活性剂研究有限公司 | 一种聚醚胺的连续化生产方法 |
CN107141225A (zh) * | 2017-06-22 | 2017-09-08 | 江苏飞翔化工股份有限公司 | 一种聚醚胺合成方法 |
CN107880260B (zh) * | 2017-12-21 | 2024-03-26 | 红宝丽集团股份有限公司 | 一种小分子量端氨基聚醚的连续制备装置及制备方法 |
CN107880260A (zh) * | 2017-12-21 | 2018-04-06 | 红宝丽集团股份有限公司 | 一种小分子量端氨基聚醚的连续制备装置及制备方法 |
CN108395528A (zh) * | 2018-01-22 | 2018-08-14 | 万华化学集团股份有限公司 | 一种聚醚多元醇及其制备方法、一种聚醚胺的制备方法及制备的聚醚胺 |
CN108395528B (zh) * | 2018-01-22 | 2020-01-31 | 万华化学集团股份有限公司 | 一种聚醚多元醇及其制备方法、一种聚醚胺的制备方法及制备的聚醚胺 |
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