METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES
    1.
    发明申请
    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES 审中-公开
    法净化循环流从植物为生产聚芳

    公开(公告)号:WO2014102309A2

    公开(公告)日:2014-07-03

    申请号:PCT/EP2013078028

    申请日:2013-12-27

    Applicant: BASF SE

    CPC classification number: C08J11/02 C08J2381/06

    Abstract: Proposed is a method for purifying a recycle stream (1) from a system for producing polyarylene ether sulfones by the polycondensation of aromatic bis-halogen compounds and aromatic bisphenols or salts thereof in the presence of at least one alkali metal- or ammonium carbonate or -hydrogen carbonate in an N-alkyl-2-pyrrolidone as a solvent, containing 60 to 90% by weight water, 10 to 40% by weight N-alkyl-2-pyrrolidone and, as a specification-detrimental impurity, up to 5000 ppm by weight of the alkyl succinimide corresponding to the N-alkyl-2-pyrrolidone and, in addition, up to 1000 ppm by weight additional high boilers relative to N-alkyl-2-pyrrolidone, in particular inorganic salts, each relative to the total weight of the recycle stream (1), the sum of the components being 100% by weight, to obtain a purified N-alkyl-2-pyrrolidone stream (2) that can be fed back into the system for producing polyarylene ether sulfones by purification by distillation in a purification column (K). Said method is characterized in that a prepurification step by evaporation in one or more evaporator stages is provided upstream of the purification by distillation in order to reduce the content of inorganic salts, one or more vapor streams (3, 4, 5) being obtained which are fed to the purification column (K) as feed streams. The bottom stream is discharged from the last evaporator stage and the bottom stream from the purification column (K) is entirely recycled into the last evaporator stage. The vapor stream (5) from the last evaporator stage is partially or entirely fed to an additional column (ZK) from which a top stream is removed, which is is fed to the purification column (K), and a bottom stream, which is discharged.

    Abstract translation: 公开了一种用于从对聚亚芳基醚砜的她的位置的植物由芳香族bishalogen化合物和芳族双酚类或它们的盐的缩聚中的至少一种碱金属或铵的碳酸盐或碳酸氢盐的N-烷基存在纯化的循环物流(1)的方法 -2-吡咯烷酮作为含有从-60至90重量%的水,-10〜40%(重量)的N-烷基-2-吡咯烷酮和按重量计的N-烷基-2-吡咯烷酮的规范有害污染高达5000ppm的溶剂 相应的烷基琥珀酰亚胺和偏离高达1000重量ppm进一步高沸点相比,N-烷基-2-吡咯烷酮,特别是无机盐,基于在每种情况下对循环流(1)的总重量,其中组分的总和与wt第100% 结果,以获得纯的N-烷基-2-吡咯烷酮流(2),它可以在该植物中生产聚亚芳基醚砜的在回收,通过蒸馏纯 纯化塔(K),其特征在于通过在一个或多个蒸发级的预清洗通过蒸发,通过蒸馏纯化之前降低无机盐,其特征在于,一个或多个蒸汽流(3,4,5)获得的内容,作为一个进料流 纯化塔(K)被馈送,其中从最后一个蒸发器阶段的塔底物流被排出并从纯化塔(K)的塔底物流被完全再循环至最终蒸发阶段,并且其中从全部或部分的附加列的最后一个蒸发器级(蒸气流(5)ZK )从塔顶料流供给被分离,净化塔(K)的进料,和底部流被排出。

    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES
    2.
    发明申请
    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES 审中-公开
    法净化循环流从植物为生产聚芳

    公开(公告)号:WO2014102308A3

    公开(公告)日:2014-09-04

    申请号:PCT/EP2013078027

    申请日:2013-12-27

    Applicant: BASF SE

    CPC classification number: C08G75/23 C08G75/0277 C08J2381/06

    Abstract: Porposed is a method for purifying a recycle stream (1) from a system for producing polyarylene ether sulfones by the polycondensation of aromatic bis-halogen compounds and aromatic bisphenols or salts thereof in the presence of at least one alkali metal- or ammonium carbonate or -hydrogen carbonate in an N-alkyl-2-pyrrolidone as a solvent, containing - 60 to 90% by weight water, -10 to 40% by weight N-alkyl-2-pyrrolidone and, as a specification-detrimental impurity, up to 5000 ppm by weight of the alkyl succinimide corresponding to the N-alkyl-2-pyrrolidone and, in addition, up to 1000 ppm by weight additional high boilers relative to N-alkyl-2-pyrrolidone, in particular inorganic salts, each relative to the total weight of the recycle stream (1), the sum of the components being 100% by weight, to obtain a purified N-alkyl-2-pyrrolidone stream (2) that can be fed back into the system for producing polyarylene ether sulfones by purification by distillation in a purification column (K) which is characterized in that a prepurification step by evaporation in one or more evaporator stages is provided upstream of the purification by distillation in order to reduce the content of inorganic salts, wherein one or more vapor streams (3, 4, 5) are obtained which are fed to the purification column (K) as feed streams, and wherein the bottom stream is discharged from the last evaporator stage and the bottom stream from the purification column (K) is partially or entirely fed to an additional column (ZK) and is divided therein into a bottom stream (11) that is discharged and a top stream (12) that is recycled into the purification column (K).

    Abstract translation: 用于循环流(1)的纯化方法是通过芳香族bishalogen化合物和芳族双酚类或它们的盐的缩聚中的至少一种碱金属或铵的碳酸盐或碳酸氢盐的N-烷基-2-存在提出了生产聚亚芳基醚砜的植物的 吡咯烷酮作为含溶剂 - 60至90重量%的水,-10〜40重量%N-烷基-2-吡咯烷酮和按重量计的N-烷基-2-吡咯烷酮的规范有害污染高达5000ppm的 相应的烷基琥珀酰亚胺和偏离高达1000重量ppm进一步高沸点相比,N-烷基-2-吡咯烷酮,特别是无机盐,基于在每种情况下对循环流(1)的总重量计,其特征在于,为100个重量%的结果组分的总和 获得纯可在植物中被再循环用于生产聚亚芳基醚砜的,通过蒸馏纯的N-烷基-2-吡咯烷酮流(2) 纯化塔(K),其特征在于通过在一个或多个蒸发级的预清洗通过蒸发,通过蒸馏纯化之前降低无机盐,其特征在于,一个或多个蒸汽流(3,4,5)获得的内容,作为一个进料流 被排放是纯化柱(K)被供给,并且其被排出,从最后一个蒸发器阶段的塔底物流和来自纯化塔的塔底料流(K)是部分或完全的附加列(ZK)被提供,并且在底部料流(11)分离, 和的塔顶物流(12)插入到纯化塔(K)被再循环。

    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES
    3.
    发明申请
    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES 审中-公开
    法净化循环流从植物为生产聚芳

    公开(公告)号:WO2014102310A3

    公开(公告)日:2014-09-04

    申请号:PCT/EP2013078029

    申请日:2013-12-27

    Applicant: BASF SE

    CPC classification number: C08J11/02 C08G85/002 C08J2381/06

    Abstract: Proposed is a method for purifying a recycle stream (1) from a system for producing polyarylene ether sulfones by the polycondensation of aromatic bis-halogen compounds and aromatic bisphenols or salts thereof in the presence of at least one alkali metal- or ammonium carbonate or -hydrogen carbonate in an N-alkyl-2-pyrrolidone as a solvent, containing - 60 to 90% by weight water, - 10 to 40% by weight N-alkyl-2-pyrrolidone and, as a specification-detrimental impurity, up to 5000 ppm by weight of the alkyl succinimide corresponding to the N-alkyl-2-pyrrolidone and, in addition, up to 1000 ppm by weight additional high boilers relative to N-alkyl-2-pyrrolidone, in particular inorganic salts, each relative to the total weight of the recycle stream (1), the sum of the components being 100% by weight, to obtain a pure N-alkyl-2-pyrrolidone stream (2) that can be fed back into the system for producing polyarylene ether sulfones by purification by distillation which is characterized in that the purification by distillation is carried out in a dividing wall column (TK) that has a dividing wall (T) which is arranged in the longitudinal direction of the column and which divides the inner space of the dividing wall column (TK) into a supply region (A), a discharge region (B), an upper common column region (C) and a lower common column region (D), the recycle stream (1) being fed to the supply region (A) of said dividing wall column and divided in the dividing wall column (TK) into a bottom stream (7) containing N-methyl succinimide, a top stream (8) containing water and a pure NMP stream as a side stream (2) from the discharge region (B).

    Abstract translation: 用于循环流(1)的纯化方法是通过芳香族bishalogen化合物和芳族双酚类或它们的盐的缩聚中的至少一种碱金属或铵的碳酸盐或碳酸氢盐的N-烷基-2-存在提出了生产聚亚芳基醚砜的植物的 吡咯烷酮作为溶剂,含有: - 60至90wt%的水, - 10〜40重量%N-烷基-2-吡咯烷酮和作为有害的规范... 杂质至5000ppm(重量)的N-烷基-2-吡咯烷酮的相应的烷基琥珀酰亚胺和偏离高达1000重量ppm进一步高沸点相比,N-烷基-2-吡咯烷酮,特别是无机盐,基于所述总重量计 该再循环料流(1),其中组分的总和与wt第100%的结果,得到纯的N-烷基-2-吡咯烷酮流(2),其可以在植物被再循环用于生产聚亚芳基醚砜的,通过纯化蒸馏 ,其特征在于,在分隔壁塔(TK)的纯化通过蒸馏与分隔壁(T),其被布置在列纵向方向上和在进料区域(a),一个取料口区域中的分隔壁塔(TK)的内部(B进行 ),上部组合柱区域(C)和分离一个下部结合塔区(D))在被馈送到相同的再循环料流(1)(进料部分和(在分隔壁塔TK)的 屁股流(7)的含N-甲基琥珀酰亚胺,(8)含有水的塔顶物流,和一个纯NMP流作为从取出口部(B)的侧料流(2)被分离。

    POLYARYLETHERSULFONE COPOLYMERS
    5.
    发明专利

    公开(公告)号:SG11201509031RA

    公开(公告)日:2015-11-27

    申请号:SG11201509031R

    申请日:2014-04-30

    Applicant: BASF SE

    Abstract: The invention relates to a method for preparing polyarylethersulfone-polyalkylene oxide block copolymers (PPC) comprising the polycondensation of a reaction mixture (RG) comprising the components: (A1) at least one aromatic dihalogen compound, (B1) at least one aromatic dihydroxyl compound, (B2) at least one polyalkylene oxide having at least two hydroxyl groups, (C) at least one aprotic polar solvent and (D) at least one metal carbonate, where the reaction mixture (RG) does not comprise any substance which forms an azeotrope with water.

    METHOD FOR PURIFYING A RECYCLING FLOW FROM A PLANT FOR PRODUCING POLYARYLENE ETHER SULFONES
    7.
    发明申请
    METHOD FOR PURIFYING A RECYCLING FLOW FROM A PLANT FOR PRODUCING POLYARYLENE ETHER SULFONES 审中-公开
    法净化循环流从植物为生产聚芳

    公开(公告)号:WO2014102306A3

    公开(公告)日:2014-09-04

    申请号:PCT/EP2013078025

    申请日:2013-12-27

    Applicant: BASF SE

    CPC classification number: C08J11/02 C08J2381/06

    Abstract: The invention relates to a method for purifying a recycling flow (1) from a plant for producing polyarylene ether sulfones by polycondensing aromatic bis-halogen compounds and aromatic bisphenols or salts thereof in the presence of at least one alkali-metal carbonate or hydrogencarbonate or ammonium carbonate or hydrogencarbonate in an N-alkyl-2-pyrrolidone as a solvent, containing 60 to 90 wt% of water, 10 to 40 wt% of N-alkyl-2-pyrrolidone, and, as a specification-impairing contaminant, up to 5000 ppm by weight of the alkyl succinimide corresponding to the N-alkyl-2-pyrrolidone and in addition thereto up to 1000 ppm by weight of additional high boilers in relation to N-alkyl-2-pyrrolidone, in particular inorganic salts, in each case with respect to the total weight of the recycling flow (1), the sum of the components equaling 100 wt%, so as to obtain a pure N-alkyl-2-pyrrolidone flow (2), which can be fed back into the plant for producing polyarylene ether sulfones, by means of purification by distillation in a purification column (K), the method being characterized in that a pre-purification by evaporation in one or more evaporator stages in order to reduce the content of inorganic salts is performed before the purification by distillation, one or more vapor flows (3, 4, 5) being obtained, which are fed to the purification column (K) as feed flows, and the bottom flow from the last evaporator stage being discharged and the bottom flow from the purification column (K) being completely recycled into the last evaporator stage.

    Abstract translation: 用于循环流(1)的纯化方法是通过芳香族bishalogen化合物和芳族双酚类或它们的盐的缩聚中的至少一种碱金属或铵的碳酸盐或碳酸氢盐的N-烷基-2-存在提出了生产聚亚芳基醚砜的植物的 吡咯烷酮作为含有60〜90重量%的水,10至40重量%N-烷基-2-吡咯烷酮和按重量计的N-烷基-2-吡咯烷酮的规范有害污染高达5000ppm的相应的烷基琥珀酰亚胺的溶剂 并偏离高达1000重量ppm进一步高沸点相比N-烷基-2-吡咯烷酮,特别是无机盐,基于在每种情况下对循环流(1)的总重量计,其中,所述组分的总和为100重量%,下 通过在R中纯蒸馏获得可追溯至植物用于制备聚亚芳基醚砜的纯N-烷基-2-吡咯烷酮流(2) einkolonne(K),其特征在于,通过蒸馏纯化是通过在一个或多个蒸发阶段蒸发预清洗之前,以减少无机盐,其特征在于,一个或多个蒸汽流(3,4,5)获得的内容,作为一个进料流 供给纯塔(K),并且其中从最后蒸发器阶段排出的底部物流和来自纯塔(K)的底部物流完全循环到蒸发器的最后阶段。

    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES
    8.
    发明申请
    METHOD FOR PURIFYING A RECYCLE STREAM FROM A SYSTEM FOR PRODUCING POLYARYLENE ETHER SULFONES 审中-公开
    法净化循环流从植物为生产聚芳

    公开(公告)号:WO2014102307A3

    公开(公告)日:2014-08-21

    申请号:PCT/EP2013078026

    申请日:2013-12-27

    Applicant: BASF SE

    CPC classification number: C08J11/02 C08J2381/06

    Abstract: Proposed is a method for purifying a recycle stream (1) from a system for producing polyarylene ether sulfones by the polycondensation of aromatic bis-halogen compounds and aromatic bisphenols or salts thereof in the presence of at least one alkali metal- or ammonium carbonate or -hydrogen carbonate in an N-alkyl-2-pyrrolidone as a solvent, containing - 60 to 90% by weight water, - 10 to 40% by weight N-alkyl-2-pyrrolidone and, as a specification-detrimental impurity, up to 5000 ppm by weight of the alkyl succinimide corresponding to the N-alkyl-2-pyrrolidone and, in addition, up to 1000 ppm by weight additional high boilers relative to N-alkyl-2-pyrrolidone, in particular inorganic salts, each relative to the total weight of the recycle stream, the sum of the components being 100% by weight, to obtain a purified N-alkyl-2-pyrrolidone stream (2) that can be fed back into the system for producing polyarylene ether sulfones by purification by distillation in a purification column (K) which is characterized in that a prepurification step by evaporation in one or more evaporator stages is provided upstream of the purification by distillation in order to reduce the content of inorganic salts, wherein one or more vapor streams (3, 4, 5) are obtained which are fed to the purification column (K) as feed streams, and wherein the bottom stream is discharged from the last evaporator stage and wherein a partial stream (9) comprising 1.0% by weight up to 10% by weight of the bottom stream (7) is discharged from the purification column (K) and the bottom stream from the purification column (K) is recycled into the last evaporator stage.

    Abstract translation: 用于循环流(1)的纯化方法是通过芳香族bishalogen化合物和芳族双酚类或它们的盐的缩聚提出了用于生产聚亚芳基醚砜的植物的至少一种碱金属或铵的碳酸盐或存在 - 碳酸氢在N-烷基-2- 吡咯烷酮作为含溶剂 - 60〜90重量%的水, - 。10〜40重量%N-烷基-2-吡咯烷酮和作为规范有害污染最高达5000ppm(重量)的N-烷基-2-吡咯烷酮相应的烷基的。 -succinimids相比N-烷基-2-吡咯烷酮(重量)旁边高达1000ppm的产生更多的高沸点,特别是无机盐,基于在每种情况下的循环物流的总重量计,其中组分的总和与wt第100%,以获得 的纯的N-烷基-2-吡咯烷酮流(2),它可以在该植物中生产聚亚芳基醚砜的在回收,通过蒸馏纯 纯化塔(K),其特征在于通过在一个或多个蒸发级的预清洗通过蒸发,通过蒸馏纯化之前降低无机盐,其特征在于,一个或多个蒸汽流(3,4,5)获得的内容,作为一个进料流 纯化塔被馈送到(K),并且其中从所述最后一个蒸发器阶段的塔底物流被排出,并且其中一个部分流(9)排出,其包括.- 1.0重量%至10重量从纯化塔的塔底料流(7)的%(K) 并从纯化塔(K)的塔底物流被再循环的方式,在最后一个蒸发器阶段。

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