processo para preparar formiato de metila, e, uso de uma mistura

    公开(公告)号:BR112015011765A2

    公开(公告)日:2017-07-11

    申请号:BR112015011765

    申请日:2013-11-26

    Applicant: BASF SE

    Abstract: 1 / 1 resumo “processo para preparar formiato de metila, e, uso de uma mistura” a invenã§ã£o se refere a um mã©todo para produzir formiato de metil por carbonilaã§ã£o de metanol com monã³xido de carbono em um reator de carbonilaã§ã£o na presenã§a de um sistema de catalisador contendo formiato alcalino e alcoolato alcalino, assim obtendo uma mistura de reaã§ã£o (r ) que g contã©m formiato de metila, formiato alcalino, alcoolato alcalino e metanol opcionalmente nã£o reagido e monã³xido de carbono nã£o reagido e que ã© removido do reator de carbonilaã§ã£o. a mistura de reaã§ã£o (r ) contã©m pelo g menos 0,5% em peso de alcoolato alcalino, com base no peso total da mistura de reaã§ã£o (r ) e a razã£o molar de formiato alcalino para alcoolato alcalino na g mistura de reaã§ã£o (r ) ã© maior que 1. g

    METHOD FOR PRODUCING POLYMETHYLOLS

    公开(公告)号:MY155607A

    公开(公告)日:2015-11-13

    申请号:MYPI2011003147

    申请日:2010-01-07

    Applicant: BASF SE

    Abstract: THE PRESENT INVENTION RELATES TO A METHOD FOR RECOVERING COMPONENTS FROM A LOW BOILER MIXTURE, WHICH ARISES IN THE DISTILLATION OF HYDROGENATION EFFLUENTS FROM THE PRODUCTION OF POLYMETHYLOLS, BY MULTI-STAGE DISTILLATION OF THE LOW BOILER MIXTURE, WHICH CONTAINS A TERTIARY AMINE, WATER, METHANOL, POLYMETHYLOL OF THE FORMULA (I), METHYLOLALKANAL OF THE FORMULA (II), ALCOHOL OF THE FORMULA (III), AND AN ALKANAL HAVING A METHYLENE GROUP IN THE ?-POSITION WITH RESPECT TO THE CARBONYL GROUP, AND IN WHICH R STANDS FOR ANOTHER METHYLOL GROUP OR AN ALKYL GROUP HAVING 1 TO 22 C ATOMS OR AN ARYL OR ARALKYL GROUP HAVING 6 TO 22 C ATOMS INDEPENDENTLY OF EACH OTHER IN EACH CASE, WHEREIN IN A FIRST DISTILLATION STAGE, THE LOW BOILER MIXTURE IS SEPARATED INTO A HIGHER BOILING, PREDOMINATELY WATER-RICH FRACTION AND INTO A LOWER BOILING AQUEOUS, ORGANIC FRACTION CONTAINING THE TERTIARY AMINE, AND IN THE SECOND DISTILLATION STAGE, THE AQUEOUS, ORGANIC FRACTION FROM THE FIRST DISTILLATION STAGE IS SEPARATED INTO A FRACTION PREDOMINANTLY CONTAINING AMINE AND ANOTHER AMINE-DEPLETED FRACTION, CHARACTERIZED IN THAT THE TERTIARY AMINE IS TRIMETHYLAMINE OR TRIETHYLAMINE AND THE SUMP TEMPERATURE IN THE SECOND DISTILLATION STAGE IS 110°C AND MORE.

    PROCESS FOR PREPARING POLYALCOHOLS FROM FORMALDEHYDE HAVING A LOW FORMIC ACID CONTENT

    公开(公告)号:MY142957A

    公开(公告)日:2011-01-31

    申请号:MYPI20092806

    申请日:2007-12-10

    Applicant: BASF SE

    Abstract: PROCESS FOR PREPARING POLYALCOHOLS FROM FORMALDEHYDE WITH A LOW FORMIC ACID CONTENT 5 - II@2 (HOCHA- C (HOCH2)- C - CHO (11) 10 I R2 THE INVENTION RELATES TO A PROCESS FOR PREPARING POLYMETHYLOL COMPOUNDS OF THE FORMULA (1) IN WHICH R IS IN EACH CASE INDEPENDENTLY A FURTHER METHYLOL GROUP OR AN ALKYL GROUP HAVING FROM 1 TO 22 CARBON ATOMS OR AN ARYL OR ARALKYL 15 GROUP HAVING FROM 6 TO 22 CARBON ATOMS, BY CONDENSING ALDEHYDES HAVING FROM 2 TO 24 CARBON ATOMS IN AN A1DOL REACTION WITH FORMALDEHYDE USING TERTIARY AMINES AS A CATALYST TO GIVE ALKANALS OF THE FORMULA (11) IN WHICH R IS IN EACH CASE INDEPENDENTLY AS DEFINED ABOVE, AND THE SUBSEQUENT HYDROGENATION THEREOF. WHAT IS SPECIAL AND INVENTIVE ABOUT THIS PROCESS IS THAT THE ALDOL REACTION IS 20 CARRIED OUT WITH AN AQUEOUS FORMALDEHYDE SOLUTION HAVING A FORMIC ACID CONTENT OF

    METHOD FOR PRODUCING HYDROXYPIVALALDEHYDE AND NEOPENTYL GLYCOL

    公开(公告)号:MY146487A

    公开(公告)日:2012-08-15

    申请号:MYPI20093610

    申请日:2008-02-25

    Applicant: BASF SE

    Abstract: THE PREPARATION OF HYDROXYPIVALALDEHYDE IS EFFECTED BY ALDOLIZING ISOBUTYRALDEHYDE (ISO) WITH FORMALDEHYDE AND SUBSEQUENTLY WORKING UP THE RESULTING REACTION EFFLUENT BY DISTILLATION, WHEREIN THE REACTION EFFLUENT (A) IS FED TO A DISTILLATION COLUMN WHICH IS OPERATED AT A TOP PRESSURE IN THE RANGE FROM 0.05 TO 0.15 MPA (0.5 TO 1.5 BAR) AND IN WHICH A TWO-STAGE CONDENSATION IS PROVIDED IN THE TOP REGION, IN WHICH THE VAPORS ARE FIRST CONDUCTED INTO A PARTIAL CONDENSER OPERATED AT A TEMPERATURE IN THE RANGE FROM 50 TO 80°C, WHOSE CONDENSATE IS RECYCLED AT LEAST PARTLY INTO THE DISTILLATION COLUMN, AND IN WHICH THE VAPORS UNCONDENSED IN THE PARTIAL CONDENSER ARE FED TO A DOWNSTREAM CONDENSER OPERATED AT A TEMPERATURE IN THE RANGE FROM -40 TO +30°C, WHOSE CONDENSATE IS AT LEAST PARTLY DISCHARGED.

    processo para obter ácido fórmico

    公开(公告)号:BR112014012602A2

    公开(公告)日:2017-06-20

    申请号:BR112014012602

    申请日:2012-12-14

    Applicant: BASF SE

    Abstract: 1 / 1 resumo “processo para obter ã�cido fã“rmicoâ€� a invenã§ã£o refere-se a um mã©todo para obter ã¡cido fã³rmico separando-se termicamente um fluxo contendo ã¡cido fã³rmico e uma amina terciã¡ria (i), em que um fluxo lã­quido contendo ã¡cido fã³rmico, amina terciã¡ria (i), e ã¡gua ã© produzido trazendo-se junto uma amina terciã¡ria (i) e uma fonte de ã¡cido fã³rmico na presenã§a de ã¡gua, a ã¡gua e os produtos de decomposiã§ã£o da amina terciã¡ria (i) sã£o removidos do fluxo lã­quido obtido por intermã©dio de destilaã§ã£o em um aparelho de destilaã§ã£o, em que o fluxo removido contendo ã¡gua e produtos de decomposiã§ã£o orgã¢nica da amina terciã¡ria (i) ã© separado em duas fases lã­quidas, a fase lã­quida superior ã© removida, e a fase lã­quida inferior contendo ã¡gua ã© novamente alimentada ã fonte de ã¡cido fã³rmico.

    METHOD FOR PURIFYING CRUDE POLYMETHYLOLS

    公开(公告)号:MY153850A

    公开(公告)日:2015-03-31

    申请号:MYPI20112332

    申请日:2009-12-07

    Applicant: BASF SE

    Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR PURIFYING CRUDE POLYMETHYLOL WHICH COMPRISES POLYMETHYLOL OF THE FORMULA (I) IN WHICH EACH R IS INDEPENDENTLY A FURTHER METHYLOL GROUP OR AN ALKYL GROUP HAVING 1 TO 22 CARBON ATOMS OR AN ARYL OR ARALKYL GROUP HAVING 6 TO 22 CARBON ATOMS, AND ALSO HYDROXY ACID OF THE FORMULA (IV) IN WHICH EACH R IS INDEPENDENTLY AS DEFINED ABOVE, WHICH COMPRISES PERFORMING THE PURIFICATION IN A DISTILLATION COLUMN, THE BOTTOM OF THE DISTILLATION COLUMN BEING CONNECTED TO AN EVAPORATOR WITH A SHORT RESIDENCE TIME. THE PRESENT INVENTION FURTHER RELATES TO A COMPOSITION COMPRISING POLYMETHYLOL AND 1 TO 10 000 PPM BY WEIGHT OF AN ESTER OF POLYMETHYLOL AND OF A HYDROXY ACID AND TO THE USE THEREOF.

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