BR0016807A - Processos para a remoção, por destilação, de formaldeìdo das soluções de reação contendo um alcanal metilolado, e para a preparação de polióis, em particular trióis - Google Patents

Processos para a remoção, por destilação, de formaldeìdo das soluções de reação contendo um alcanal metilolado, e para a preparação de polióis, em particular trióis

Info

Publication number
BR0016807A
BR0016807A BR0016807-6A BR0016807A BR0016807A BR 0016807 A BR0016807 A BR 0016807A BR 0016807 A BR0016807 A BR 0016807A BR 0016807 A BR0016807 A BR 0016807A
Authority
BR
Brazil
Prior art keywords
formaldehyde
reaction
distillation
solutions containing
polyols
Prior art date
Application number
BR0016807-6A
Other languages
English (en)
Inventor
Matthias Dernbach
Detlef Kratz
Achim Stammer
Gerhard Schulz
Original Assignee
Basf Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of BR0016807A publication Critical patent/BR0016807A/pt

Links

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

"PROCESSOS PARA A REMOçãO, POR DESTILAçãO DE FORMALDEìDO DAS SOLUçõES DE REAçãO CONTENDO UM ALCANAL METILOLADO, E PARA A PREPARAçãO DE POLIóIS, EM PARTICULAR TRIóIS". A invenção refere-se a um método para a separação destilativa de formaldeído de misturas de reação contendo um alcanal hidroximetilado, dita mistura sendo obtida da reação de formaldeído com um alcanal, que compreende pelo menos um próton ácido em uma posição a à função carbonila, ou reação de uma 2-alquilacroleína ou acroleína com água e formaldeído, por meio do que dita reação é conduzida na presença de quantidades catalíticas de uma amina orgânica. A invenção é ainda caracterizada pelo fato de que, antes e/ou durante a destilação, uma quantidade adequada de água é adicionada. O método permite uma separação melhorada do formaldeído da mistura de reação e, além disso, permite uma hidrogenação mais fácil dos alcanais obtidos assim, para fornecer polióis.
BR0016807-6A 1999-12-28 2000-12-27 Processos para a remoção, por destilação, de formaldeìdo das soluções de reação contendo um alcanal metilolado, e para a preparação de polióis, em particular trióis BR0016807A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19963445A DE19963445A1 (de) 1999-12-28 1999-12-28 Verfahren zur Abtrennung von Formaldehyd aus polyolhaltigen Reaktionsgemischen unter Zusatz von Lösungsmitteln
PCT/EP2000/013293 WO2001047854A1 (de) 1999-12-28 2000-12-27 Verfahren zur destillativen abtrennung von formaldehyd aus polyolhaltigen reaktionsgemischen durch zusatz von wasser vor und/oder während der destillation

Publications (1)

Publication Number Publication Date
BR0016807A true BR0016807A (pt) 2002-09-10

Family

ID=7934792

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0016807-6A BR0016807A (pt) 1999-12-28 2000-12-27 Processos para a remoção, por destilação, de formaldeìdo das soluções de reação contendo um alcanal metilolado, e para a preparação de polióis, em particular trióis

Country Status (13)

Country Link
US (1) US6809224B2 (pt)
EP (1) EP1250304B1 (pt)
JP (1) JP2003519108A (pt)
KR (1) KR100714335B1 (pt)
CN (1) CN1192007C (pt)
AT (1) ATE356107T1 (pt)
AU (1) AU3366801A (pt)
BR (1) BR0016807A (pt)
DE (2) DE19963445A1 (pt)
ES (1) ES2280275T3 (pt)
MX (1) MXPA02006358A (pt)
MY (1) MY128780A (pt)
WO (1) WO2001047854A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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
MX346922B (es) * 2010-11-12 2017-04-05 Dow Technology Investments Llc Moderación de suciedad en procesos de hidroformilación mediante adición de agua.
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2289478A1 (fr) 1974-10-30 1976-05-28 Charbonnages Ste Chimique Procede de preparation d'hydroxypivaldehyde
DE3340791A1 (de) * 1983-11-11 1985-05-23 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von trimethylolalkanen aus alkanalen und formaldehyd
DD273434A1 (de) * 1988-06-27 1989-11-15 Leuna Werke Veb Verfahren zur entfernung von formaldehyd aus reaktionsprodukten der synthese mehrwertiger alkohole
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
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
US5529667A (en) * 1994-12-01 1996-06-25 Hoechst Celanese Corporation Process for recovering ethylene oxide
MY115387A (en) 1994-12-21 2003-05-31 Shell Int Research Steerable drilling with downhole motor
DE19542036A1 (de) * 1995-11-10 1997-05-15 Basf Ag Verfahren zur Herstellung von Polyalkoholen
JP3862352B2 (ja) * 1997-04-11 2006-12-27 ペルストルプ スペシヤルテイ ケミカルズ アーベー ジメチロールアルカナールの精製方法

Also Published As

Publication number Publication date
DE19963445A1 (de) 2001-07-05
MY128780A (en) 2007-02-28
EP1250304B1 (de) 2007-03-07
KR20020062381A (ko) 2002-07-25
WO2001047854A1 (de) 2001-07-05
CN1192007C (zh) 2005-03-09
JP2003519108A (ja) 2003-06-17
ATE356107T1 (de) 2007-03-15
AU3366801A (en) 2001-07-09
EP1250304A1 (de) 2002-10-23
ES2280275T3 (es) 2007-09-16
DE50014147D1 (de) 2007-04-19
US6809224B2 (en) 2004-10-26
KR100714335B1 (ko) 2007-05-04
US20030023119A1 (en) 2003-01-30
MXPA02006358A (es) 2002-11-29
CN1414938A (zh) 2003-04-30

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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B09B Patent application refused [chapter 9.2 patent gazette]

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