KR100714335B1 - 증류 이전 및(또는) 동안에 용매를 첨가함으로써 폴리올함유 반응 혼합물로부터 포름알데히드를 분리하는 방법 - Google Patents
증류 이전 및(또는) 동안에 용매를 첨가함으로써 폴리올함유 반응 혼합물로부터 포름알데히드를 분리하는 방법 Download PDFInfo
- Publication number
- KR100714335B1 KR100714335B1 KR1020027008368A KR20027008368A KR100714335B1 KR 100714335 B1 KR100714335 B1 KR 100714335B1 KR 1020027008368 A KR1020027008368 A KR 1020027008368A KR 20027008368 A KR20027008368 A KR 20027008368A KR 100714335 B1 KR100714335 B1 KR 100714335B1
- Authority
- KR
- South Korea
- Prior art keywords
- formaldehyde
- column
- distillation
- reaction
- water
- 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.)
- Expired - Fee Related
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004821 distillation Methods 0.000 title claims abstract description 27
- 229920005862 polyol Polymers 0.000 title claims abstract description 9
- 150000003077 polyols Chemical class 0.000 title claims abstract description 9
- 239000011541 reaction mixture Substances 0.000 title abstract description 10
- 239000002904 solvent Substances 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 18
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001412 amines Chemical class 0.000 claims abstract description 5
- 230000003197 catalytic effect Effects 0.000 claims abstract description 5
- 230000002378 acidificating effect Effects 0.000 claims abstract description 4
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000011552 falling film Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 6
- -1 aliphatic aldehydes Chemical class 0.000 description 27
- 239000000047 product Substances 0.000 description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 238000009835 boiling Methods 0.000 description 13
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 8
- 150000001299 aldehydes Chemical class 0.000 description 8
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 238000005882 aldol condensation reaction Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000010790 dilution Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 6
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- HSJKGGMUJITCBW-UHFFFAOYSA-N 3-hydroxybutanal Chemical compound CC(O)CC=O HSJKGGMUJITCBW-UHFFFAOYSA-N 0.000 description 4
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 4
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N pentanal Chemical compound CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 4
- 150000005846 sugar alcohols Polymers 0.000 description 4
- JLIDVCMBCGBIEY-UHFFFAOYSA-N vinyl ethyl ketone Natural products CCC(=O)C=C JLIDVCMBCGBIEY-UHFFFAOYSA-N 0.000 description 4
- LGYNIFWIKSEESD-UHFFFAOYSA-N 2-ethylhexanal Chemical compound CCCCC(CC)C=O LGYNIFWIKSEESD-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- FXHGMKSSBGDXIY-UHFFFAOYSA-N heptanal Chemical compound CCCCCCC=O FXHGMKSSBGDXIY-UHFFFAOYSA-N 0.000 description 3
- 150000007529 inorganic bases Chemical class 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- YYKMQUOJKCKTSD-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butanal Chemical compound CCC(CO)(CO)C=O YYKMQUOJKCKTSD-UHFFFAOYSA-N 0.000 description 2
- SZSSMFVYZRQGIM-UHFFFAOYSA-N 2-(hydroxymethyl)-2-propylpropane-1,3-diol Chemical compound CCCC(CO)(CO)CO SZSSMFVYZRQGIM-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940044170 formate Drugs 0.000 description 2
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- 229940117969 neopentyl glycol Drugs 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 2
- 150000004072 triols Chemical class 0.000 description 2
- SKQUTIPQJKQFRA-UHFFFAOYSA-N 2,3-dimethylbutane-1,4-diol Chemical compound OCC(C)C(C)CO SKQUTIPQJKQFRA-UHFFFAOYSA-N 0.000 description 1
- XIKVGYYSAJEFFR-UHFFFAOYSA-N 2-(hydroxymethyl)butanal Chemical compound CCC(CO)C=O XIKVGYYSAJEFFR-UHFFFAOYSA-N 0.000 description 1
- QVBICLGJAQXLSA-UHFFFAOYSA-N 2-(hydroxymethyl)prop-2-enal Chemical compound OCC(=C)C=O QVBICLGJAQXLSA-UHFFFAOYSA-N 0.000 description 1
- UVEFAZXHHJHMGK-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)hexanal Chemical compound CCCCC(CC)(CO)C=O UVEFAZXHHJHMGK-UHFFFAOYSA-N 0.000 description 1
- GMLDCZYTIPCVMO-UHFFFAOYSA-N 2-methylidenebutanal Chemical compound CCC(=C)C=O GMLDCZYTIPCVMO-UHFFFAOYSA-N 0.000 description 1
- RTTWLTLNKLTUJR-UHFFFAOYSA-N 2-methylidenepentanal Chemical compound CCCC(=C)C=O RTTWLTLNKLTUJR-UHFFFAOYSA-N 0.000 description 1
- LEBVLOLOVGHEFE-UHFFFAOYSA-N 3,4,4-trimethylpentanal Chemical compound CC(C)(C)C(C)CC=O LEBVLOLOVGHEFE-UHFFFAOYSA-N 0.000 description 1
- JJMOMMLADQPZNY-UHFFFAOYSA-N 3-hydroxy-2,2-dimethylpropanal Chemical group OCC(C)(C)C=O JJMOMMLADQPZNY-UHFFFAOYSA-N 0.000 description 1
- RUNRFAYALPNCLX-UHFFFAOYSA-N 3-methylheptanal;4-methylpentanal Chemical compound CC(C)CCC=O.CCCCC(C)CC=O RUNRFAYALPNCLX-UHFFFAOYSA-N 0.000 description 1
- NHBINGOOBNESIC-UHFFFAOYSA-N 4,5,5-trimethylhexanal Chemical compound CC(C)(C)C(C)CCC=O NHBINGOOBNESIC-UHFFFAOYSA-N 0.000 description 1
- KQXBFBQRLHMLIS-UHFFFAOYSA-N 4-methylheptanal Chemical compound CCCC(C)CCC=O KQXBFBQRLHMLIS-UHFFFAOYSA-N 0.000 description 1
- JRYJOJWGAMCMTQ-UHFFFAOYSA-N 5,6,6-trimethylheptanal Chemical compound CC(C)(C)C(C)CCCC=O JRYJOJWGAMCMTQ-UHFFFAOYSA-N 0.000 description 1
- RRTVBKXBOQHBMV-UHFFFAOYSA-N 5-methylheptanal Chemical compound CCC(C)CCCC=O RRTVBKXBOQHBMV-UHFFFAOYSA-N 0.000 description 1
- GEKRISJWBAIIAA-UHFFFAOYSA-N 5-methylhexanal Chemical compound CC(C)CCCC=O GEKRISJWBAIIAA-UHFFFAOYSA-N 0.000 description 1
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000003973 alkyl amines Chemical group 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229940044172 calcium formate Drugs 0.000 description 1
- 239000004281 calcium formate Substances 0.000 description 1
- 235000019255 calcium formate Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000005208 trialkylammonium group Chemical group 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
- C07C45/83—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
실시예 | 출발 물질 [%] | 공간 속도 [kg 유기 물질/ℓ촉매·h] | 전환율 [%] | 선택률 [%] | 수율 [%] |
5 | 65 | 0.29 | 98.59 | 87.05 | 85.83 |
6 | 40 | 0.29 | 100.00 | 93.77 | 93.77 |
7 | 65 | 0.40 | 99.34 | 89.27 | 88.68 |
8 | 40 | 0.40 | 99.79 | 91.34 | 91.15 |
Claims (11)
- 촉매량의 유기 아민의 존재하에 수행하는, 카르보닐 관능기의 α위치에 1개 이상의 산성 수소 원자를 갖는 알칸알과 포름알데히드의 반응으로부터 또는 2-알킬아크롤레인 또는 아크롤레인과 물 및 포름알데히드의 반응으로부터 수득한 메틸올화 알칸알 함유 반응 용액으로부터 포름알데히드를 증류에 의해 증류 컬럼에서 제거하며, 증류 이전 및(또는) 동안에 공급 스트림의 중량을 기준으로 스팀 형태의 물 0.1 내지 10 중량부를 첨가하는 것을 포함하는, 상기 반응 용액으로부터 포름알데히드의 증류에 의한 제거 방법.
- 제1항에 있어서, 스팀을 증류 동안에 공급하는 방법.
- 제1항 또는 제2항에 있어서, 50 내지 160℃, 20 mbar 내지 5 bar, 및 100 내지 0의 환류비에서 증류시키는 방법.
- 제1항 또는 제2항에 있어서, 공급 스트림 아래에서 또는 공급 스트림과 함께, 컬럼의 탑저로 또는 증발기로 물을 공급하는 방법.
- 제1항 또는 제2항에 있어서, 컬럼의 이론 단수가 3 내지 100개인 방법.
- 제1항 또는 제2항에 있어서, 컬럼에서의 체류 시간이 1 내지 300분인 방법.
- 제1항 또는 제2항에 있어서, 컬럼의 탑저 및 증발기의 탑저를 탑저 배출물의 체류 시간이 1 내지 300분이도록 고안하는 방법.
- 제1항 또는 제2항에 있어서, 컬럼을 강하 경막 증발기 및 액체 재순환용 응축기와 함께 작동시키는 방법.
- 제1항 또는 제2항의 방법에 의해 포름알데히드가 유리된 메틸올화 알칸알을 공지된 수소첨가 반응시키는 것을 포함하는, 폴리올의 제조 방법.
- 제1항 또는 제2항의 방법에 의해 포름알데히드가 유리된 메틸올화 알칸알을 공지된 수소첨가 반응시키는 것을 포함하는, 트리올의 제조 방법.
- 제1항 또는 제2항에 있어서, 컬럼을 강하 경막 증발기 및 급냉기와 함께 작동시키는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19963445.9 | 1999-12-28 | ||
DE19963445A DE19963445A1 (de) | 1999-12-28 | 1999-12-28 | Verfahren zur Abtrennung von Formaldehyd aus polyolhaltigen Reaktionsgemischen unter Zusatz von Lösungsmitteln |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020062381A KR20020062381A (ko) | 2002-07-25 |
KR100714335B1 true KR100714335B1 (ko) | 2007-05-04 |
Family
ID=7934792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027008368A Expired - Fee Related KR100714335B1 (ko) | 1999-12-28 | 2000-12-27 | 증류 이전 및(또는) 동안에 용매를 첨가함으로써 폴리올함유 반응 혼합물로부터 포름알데히드를 분리하는 방법 |
Country Status (13)
Country | Link |
---|---|
US (1) | US6809224B2 (ko) |
EP (1) | EP1250304B1 (ko) |
JP (1) | JP2003519108A (ko) |
KR (1) | KR100714335B1 (ko) |
CN (1) | CN1192007C (ko) |
AT (1) | ATE356107T1 (ko) |
AU (1) | AU3366801A (ko) |
BR (1) | BR0016807A (ko) |
DE (2) | DE19963445A1 (ko) |
ES (1) | ES2280275T3 (ko) |
MX (1) | MXPA02006358A (ko) |
MY (1) | MY128780A (ko) |
WO (1) | WO2001047854A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10237746A1 (de) * | 2002-08-17 | 2004-03-11 | Basf Ag | Verfahren zum destillativen Abtrennen von Formaldehyd aus polyolhaltigen Reaktionsgemischen unter Zusatz von Lösungsmitteln |
RU2518888C2 (ru) * | 2009-01-12 | 2014-06-10 | Басф Се | Способ получения полиметилолов |
KR101890961B1 (ko) * | 2010-11-12 | 2018-08-22 | 바스프 에스이 | 물 첨가에 의한 히드로포르밀화 방법에서의 오손의 완화 |
KR101529828B1 (ko) * | 2013-07-26 | 2015-06-17 | 주식회사 엘지화학 | 메틸올알칸알의 제조방법 |
CN114057543B (zh) * | 2020-07-29 | 2023-09-15 | 山东辰信新能源有限公司 | 一种DMMn合成工序中失效载体的回收方法 |
CN115771936B (zh) * | 2022-12-05 | 2025-07-01 | 宿迁联盛科技股份有限公司 | 一种三丙酮胺副产橡胶234处理高浓度甲醛废水的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4036888A (en) * | 1974-10-30 | 1977-07-19 | Societe Chimique Des Charbonnages | Process for the production of hydroxy-pivaldehyde |
DD273434A1 (de) * | 1988-06-27 | 1989-11-15 | Leuna Werke Veb | Verfahren zur entfernung von formaldehyd aus reaktionsprodukten der synthese mehrwertiger alkohole |
WO1996016953A1 (en) * | 1994-12-01 | 1996-06-06 | Hoechst Celanese Corporation | Improved process for recovering ethylene oxide |
JPH10287606A (ja) * | 1997-04-11 | 1998-10-27 | Mitsubishi Chem Corp | ジメチロールアルカナールの精製方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3340791A1 (de) * | 1983-11-11 | 1985-05-23 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von trimethylolalkanen aus alkanalen und formaldehyd |
US5235118A (en) | 1991-07-25 | 1993-08-10 | Eastman Kodak Company | Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol |
US5177267A (en) * | 1991-07-25 | 1993-01-05 | Eastman Kodak Company | Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water |
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1999
- 1999-12-28 DE DE19963445A patent/DE19963445A1/de not_active Withdrawn
-
2000
- 2000-12-05 MY MYPI20005705A patent/MY128780A/en unknown
- 2000-12-27 AT AT00991643T patent/ATE356107T1/de not_active IP Right Cessation
- 2000-12-27 KR KR1020027008368A patent/KR100714335B1/ko not_active Expired - Fee Related
- 2000-12-27 JP JP2001549328A patent/JP2003519108A/ja not_active Withdrawn
- 2000-12-27 CN CNB008178968A patent/CN1192007C/zh not_active Expired - Fee Related
- 2000-12-27 WO PCT/EP2000/013293 patent/WO2001047854A1/de active IP Right Grant
- 2000-12-27 ES ES00991643T patent/ES2280275T3/es not_active Expired - Lifetime
- 2000-12-27 DE DE50014147T patent/DE50014147D1/de not_active Expired - Lifetime
- 2000-12-27 MX MXPA02006358A patent/MXPA02006358A/es active IP Right Grant
- 2000-12-27 EP EP00991643A patent/EP1250304B1/de not_active Expired - Lifetime
- 2000-12-27 BR BR0016807-6A patent/BR0016807A/pt not_active Application Discontinuation
- 2000-12-27 AU AU33668/01A patent/AU3366801A/en not_active Abandoned
- 2000-12-27 US US10/168,999 patent/US6809224B2/en not_active Expired - Fee Related
Patent Citations (4)
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US4036888A (en) * | 1974-10-30 | 1977-07-19 | Societe Chimique Des Charbonnages | Process for the production of hydroxy-pivaldehyde |
DD273434A1 (de) * | 1988-06-27 | 1989-11-15 | Leuna Werke Veb | Verfahren zur entfernung von formaldehyd aus reaktionsprodukten der synthese mehrwertiger alkohole |
WO1996016953A1 (en) * | 1994-12-01 | 1996-06-06 | Hoechst Celanese Corporation | Improved process for recovering ethylene oxide |
JPH10287606A (ja) * | 1997-04-11 | 1998-10-27 | Mitsubishi Chem Corp | ジメチロールアルカナールの精製方法 |
Also Published As
Publication number | Publication date |
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KR20020062381A (ko) | 2002-07-25 |
ES2280275T3 (es) | 2007-09-16 |
CN1192007C (zh) | 2005-03-09 |
AU3366801A (en) | 2001-07-09 |
US6809224B2 (en) | 2004-10-26 |
CN1414938A (zh) | 2003-04-30 |
DE50014147D1 (de) | 2007-04-19 |
MY128780A (en) | 2007-02-28 |
ATE356107T1 (de) | 2007-03-15 |
US20030023119A1 (en) | 2003-01-30 |
MXPA02006358A (es) | 2002-11-29 |
DE19963445A1 (de) | 2001-07-05 |
EP1250304A1 (de) | 2002-10-23 |
WO2001047854A1 (de) | 2001-07-05 |
JP2003519108A (ja) | 2003-06-17 |
EP1250304B1 (de) | 2007-03-07 |
BR0016807A (pt) | 2002-09-10 |
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