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公开(公告)号：US09828472B2
公开(公告)日：2017-11-28
申请号：US14904491
申请日：2014-07-16
Applicant: BASF SE
Inventor： Joerg Erbes , Gerhard Lange , Tobias Kortekamp , Cecile Schneider
CPC classification number: C08J3/14 , C08G65/46 , C08G75/23 , C08J3/12 , C08J2381/06
Abstract: Process for producing polyarylene ether beads from a polyarylene ether solution, comprising the steps of i) dividing the polyarylene ether solution into droplets, ii) transferring the droplets into a precipitation bath to form polyarylene ether beads in the precipitation bath which (A) comprises at least one aprotic solvent (component (1)) and at least one protic solvent (component (2)), (B) has a temperature of 0° C. to Tc, where the critical temperature Tc in [° C.] can be determined by the numerical equation Tc=(77−c)/0.58 in which c is the concentration of component (1) in the precipitation bath in [% by weight] and (C) has component (1) in concentrations of 5% by weight to cc, where the critical concentration cc in [% by weight] can be determined by the numerical equation cc=77−0.58*T in which T is the temperature in the precipitation bath in [° C.], where the percentages by weight are each based on the sum of the percentages by weight of component (1) and of component (2) in the precipitation bath.
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公开(公告)号：US20150119485A1
公开(公告)日：2015-04-30
申请号：US14592365
申请日：2015-01-08
Applicant: BASF SE
Inventor： Martin Weber , Christian Maletzko , Gerhard Lange , Jörg Erbes , Matthias Dietrich , Nicholas Inchaurrondo
Abstract: The present invention relates to a process for the production of low-chlorine-content polybiphenyl sulfone polymers, to the polybiphenyl sulfone polymers obtainable in this way, to polybiphenyl sulfone polymers with less than 800 ppm content of organically bonded chlorine, to thermoplastic molding compositions and moldings, fibers, films, membranes, or foams comprising the polybiphenyl sulfone polymers mentioned, and also to their use for the production of moldings, of fibers, of films, of membranes, or of foams.
Abstract translation: 本发明涉及一种生产低氯含量的聚联苯砜聚合物的方法，可以以这种方式获得的聚联苯砜聚合物与具有小于800ppm有机结合氯的量的聚联苯砜聚合物， 包括所提及的聚联苯砜聚合物的模制品，纤维，膜，膜或泡沫，以及它们用于生产纤维，膜，膜或泡沫的模制品的用途。
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3.发明申请公开(公告)号：US20140183031A1
公开(公告)日：2014-07-03
申请号：US14141134
申请日：2013-12-26
Applicant: BASF SE
Inventor： Christoph Sigwart , Cornelies Hendricus De Ruiter , Jörg Erbes , Gerhard Lange , Tobias Kortekamp
IPC: B01D3/14
Abstract: A process is proposed for the treatment of a recycling stream (1) from a plant for the production of polyarylene ether sulfones via polycondensation of aromatic bishalogen compounds and of aromatic bisphenols or their salts in the presence of at least one alkali metal carbonate or ammonium carbonate or alkali metal hydrogencarbonate or ammonium hydrogencarbonate in an N-alkyl-2-pyrrolidone as solvent, comprisingfrom 60 to 90% by weight of water, from 10 to 40% by weight of the N-alkyl-2-pyrrolidone and, as contaminant detrimental to specification, up to 5000 ppm by weight of the N-alkylsuccinimide corresponding to the N-alkyl-2-pyrrolidone and, alongside this, up to 1000 ppm by weight of other substances with higher boiling point than the N-alkyl-2-pyrrolidone, in particular inorganic salts, based in each case on the total weight of the recycling stream (1), where the entirety of the components gives 100% by weight, giving a pure N-alkyl-2-pyrrolidone stream (2) which can be returned to the plant for the production of polyarylene ether sulfones, via a final distillation process in a final column (K), wherein the final distillation is preceded upstream by a preliminary purification via evaporation in one or more evaporator stages for reduction of the content of high boilers compared to N-alkyl-2-pyrrolidone, giving one or more vapor streams (4, 5) which are fed as feed streams to the final column (K), the bottom stream (6) from the last evaporator stage being discharged and a substream (9) of the bottom stream (7) from the final column (K) being discharged and the rest of the bottom stream from the final column (K) being recycled into the last evaporator stage, and the one evaporator stage or the first of the plurality of evaporator stages being a column (WK) which is designed such that the top stream (10) therefrom still comprises a maximum of 200 ppm by weight of the N-alkyl-2-pyrrolidone, based on the total weight of the top stream therefrom, and is discharged, and the vapor streams (4, 5) being supplied to the final column (K) in vaporous form.
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公开(公告)号：US20150337085A1
公开(公告)日：2015-11-26
申请号：US14814584
申请日：2015-07-31
Applicant: BASF SE
Inventor： Martin WEBER , Christian Maletzko , Gerhard Lange , Jörg Erbes , Matthias Dietrich , Nicolas Inchaurrondo , Christoph Sigwart
CPC classification number: C08G75/20 , C08G75/23 , C08G2261/3444 , C08J5/18 , C08J2381/06 , C08L81/06 , C08L2207/04 , D01F6/76
Abstract: The present invention relates to a process for the production of low-halogen-content polybiphenyl sulfone polymers, to the resultant polybiphenyl sulfone polymers, to polybiphenyl sulfone polymers having less than 400 ppm content of polymer-bonded halogen, to thermoplastic molding compositions comprising these polybiphenyl sulfone polymers, and to their use for the production of moldings, of fibers, of films, of membranes, or of foams.
Abstract translation: 本发明涉及一种制备低卤含量的聚联苯砜聚合物的方法，所制备的聚联苯砜聚合物与聚合物键合的卤素含量少于400ppm的聚苯醚砜聚合物，包括这些聚联苯 砜聚合物，以及它们用于生产模制品，纤维，膜，膜或泡沫的用途。
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公开(公告)号：US09969849B2
公开(公告)日：2018-05-15
申请号：US15119857
申请日：2015-02-16
Applicant: BASF SE
Inventor： Joerg Erbes , Gerhard Lange , Tobias Kortekamp , Bernhard Linner , Cecile Schneider , Angela Ulzhoefer , Robert Heinz , Michael Klemens Mueller
CPC classification number: C08J3/14 , B29B13/065 , C08J3/12 , C08J2381/06 , F26B3/08 , F26B5/14 , F26B2200/08
Abstract: The present invention relates to a process for drying particulate polymers, comprising the steps of: a) providing a particulate polymer comprising from 60 wt % to 90 wt % of at least one solvent based on the total weight of particulate polymer and solvent, b) mechanically predrying the particulate polymer to a content of the at least one solvent of from 20 wt % to 50 wt % based on the total weight of particulate polymer and solvent, wherein the mechanical predrying in step b) is carried out with a roller press, and c) end-drying the particulate polymer to a content of the at least one solvent of from 0 wt % to 15 wt % based on the total weight of particulate polymer and solvent, wherein the particulate polymer is a polymer comprising repeating units of formulae I, II and/or III The present invention further relates to a process for working up particulate polymers.
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Patent Agency Ranking
公开(公告)号：US09365680B2
公开(公告)日：2016-06-14
申请号：US14592365
申请日：2015-01-08
Applicant: BASF SE
Inventor： Martin Weber , Christian Maletzko , Gerhard Lange , Jörg Erbes , Matthias Dietrich , Nicholas Inchaurrondo
Abstract: The present invention relates to a process for the production of low-chlorine-content polybiphenyl sulfone polymers, to the polybiphenyl sulfone polymers obtainable in this way, to polybiphenyl sulfone polymers with less than 800 ppm content of organically bonded chlorine, to thermoplastic molding compositions and moldings, fibers, films, membranes, or foams comprising the polybiphenyl sulfone polymers mentioned, and also to their use for the production of moldings, of fibers, of films, of membranes, or of foams.
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公开(公告)号：US09469732B2
公开(公告)日：2016-10-18
申请号：US14814584
申请日：2015-07-31
Applicant: BASF SE
Inventor： Martin Weber , Christian Maletzko , Gerhard Lange , Jörg Erbes , Matthias Dietrich , Nicolas Inchaurrondo , Christoph Sigwart
CPC classification number: C08G75/20 , C08G75/23 , C08G2261/3444 , C08J5/18 , C08J2381/06 , C08L81/06 , C08L2207/04 , D01F6/76
Abstract: The present invention relates to a process for the production of low-halogen-content polybiphenyl sulfone polymers, to the resultant polybiphenyl sulfone polymers, to polybiphenyl sulfone polymers having less than 400 ppm content of polymer-bonded halogen, to thermoplastic molding compositions comprising these polybiphenyl sulfone polymers, and to their use for the production of moldings, of fibers, of films, of membranes, or of foams.
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8.发明申请Process for the Treatment of a Recycling Stream from a Plant for the Production of Polyarylene Ether Sulfones 审中-公开用于生产聚亚芳基醚砜的植物回收料流的处理方法公开(公告)号：US20140187737A1
公开(公告)日：2014-07-03
申请号：US14141115
申请日：2013-12-26
Applicant: BASF SE
Inventor： Jörg Erbes , Cornelis Hendricus De Ruiter , Christoph Sigwart , Gerhard Lange , Jutta Vonend
IPC: C08G75/23
CPC classification number: C08G75/23
Abstract: A process is proposed for the treatment of a recycling stream (1) from a plant for the production of polyarylene ether sulfones via polycondensation of aromatic bishalogen compounds and of aromatic bisphenols or their salts in the presence of at least one alkali metal carbonate or ammonium carbonate or alkali metal hydrogencarbonate or ammonium hydrogencarbonate in an N-alkyl-2-pyrrolidone as solvent, comprising from 60 to 90% by weight of water, from 10 to 40% by weight of the N-alkyl-2-pyrrolidone and, as contaminant detrimental to specification, up to 5000 ppm by weight of the alkylsuccinimide corresponding to the N-alkyl-2-pyrrolidone and, alongside this, up to 1000 ppm by weight of other substances with higher boiling point than N-alkyl-2-pyrrolidone, in particular inorganic salts, based in each case on the total weight of the recycling stream (1), where the entirety of the components gives 100% by weight, giving a pure N-alkyl-2-pyrrolidone stream (2) which can be returned to the plant for the production of polyarylene ether sulfones, via a final distillation process in a final column (K), which comprises preceding the final distillation by a preliminary purification by evaporation in one or more evaporator stages for reducing the level of inorganic salts, where one or more vapor streams (3, 4, 5) are obtained which are introduced as feed streams into the final column (K), and where the bottom stream from the last evaporator stage is removed and the bottom stream from the final column (K) is recycled in full into the last evaporator stage.
Abstract translation: 提出了一种方法，用于在至少一种碱金属碳酸盐或碳酸铵存在下，通过芳族双酚类化合物和芳族双酚或其盐的缩聚来处理来自植物的生产聚亚芳基醚砜的再循环料流（1） 或N-烷基-2-吡咯烷酮作为溶剂的碱金属碳酸氢盐或碳酸氢铵，包含60-90％重量的水，10-40％（重量）的N-烷基-2-吡咯烷酮和作为污染物 对于说明书来说，高达5000ppm重量的对应于N-烷基-2-吡咯烷酮的烷基琥珀酰亚胺，并且除此之外，高达1000ppm重量的沸点高于N-烷基-2-吡咯烷酮的其它物质， 特别是无机盐，基于每种情况下的回收料流（1）的总重量，其中全部组分给出100重量％，得到纯的N-烷基-2-吡咯烷酮流（2），其可以是 回到了 通过在最终塔（K）中的最终蒸馏方法生产聚亚芳基醚砜的装置，其包括在最终蒸馏之前通过在一个或多个蒸发器阶段中蒸发进行初步纯化以降低无机盐的水平，其中一个 或更多的蒸汽流（3,4,5），其作为进料流被引入到最终塔（K）中，并且其中来自最后蒸发器级的底部流被移除并且来自最终塔（K）的底部流 被充分回收到最后一个蒸发器阶段。
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公开(公告)号：US09809685B2
公开(公告)日：2017-11-07
申请号：US14904610
申请日：2014-07-16
Applicant: BASF SE
Inventor： Joerg Erbes , Gerhard Lange , Tobias Kortekamp , Cecile Schneider
CPC classification number: C08J3/14 , C08G65/46 , C08G75/23 , C08J2371/10 , C08J2381/06
Abstract: Process for producing polyarylene ether beads from a polyarylene ether solution, comprising the steps of i) dividing the polyarylene ether solution into droplets, ii) transferring the droplets into a precipitation bath to form polyarylene ether beads in the precipitation bath which (A) comprises at least one aprotic solvent (component (1)) and at least one protic solvent (component (2)), (B) has a temperature of 0° C. to Tc, where the critical temperature Tc in [° C.] can be determined by the numerical equation Tc=(99−c)/0.61 in which c is the concentration of component (1) in the precipitation bath in [% by weight] and (C) has component (1) in concentrations of 5% by weight to cc, where the critical concentration cc in [% by weight] can be determined by the numerical equation cc=99−0.61*T in which T is the temperature in the precipitation bath in [° C.], where the percentages by weight are each based on the sum of the percentages by weight of component (1) and of component (2) in the precipitation bath.
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10.发明申请PROCESS FOR THE PURIFICATION OF A CRUDE SOLVENT STREAM COMPRISING AN N-ALKYLPYRROLIDONE 审中-公开用于纯化包含N-烷基吡咯烷酮的原料溶液流的方法公开(公告)号：US20140183030A1
公开(公告)日：2014-07-03
申请号：US14140861
申请日：2013-12-26
Applicant: BASF SE
Inventor： Christoph Sigwart , Jörg Erbes , Martin Weber , Gerhard Lange , Jutta Vonend , Cornelis Hendricus De Ruiter
IPC: C07D207/06
CPC classification number: C07D207/06 , C07D207/267
Abstract: N-alkylpyrrolidone and, as contaminant alongside this, the corresponding N-alkyl-succinimide, to give a pure solvent stream which meets the requirements for use in a process for the production of polymers, where compounds of higher and lower boiling point than the N-alkylpyrrolidone are removed by distillation, which comprises, prior to, during, or after the distillative purification process, adding a hydroxide of an alkali metal or of an alkaline earth metal in a molar amount corresponding to a molar ratio of at least 0.1:1 for this hydroxide with respect to the respective N-alkylsuccinimide in the appropriate solvent stream present prior to, during, or after the distillative purification process.
Abstract translation: N-烷基吡咯烷酮，并且作为污染物，与此相应的N-烷基 - 琥珀酰亚胺，得到纯溶剂流，其满足用于生产聚合物的方法的要求，其中高于和低于沸点的化合物比N - 烷基吡咯烷酮通过蒸馏除去，其包括在蒸馏纯化过程之前，期间或之后，加入碱金属或碱土金属的氢氧化物，摩尔量对应于至少0.1:1的摩尔比 在相对于在蒸馏纯化过程之前，期间或之后存在的适当溶剂流中相对于N-烷基琥珀酰亚胺的氢氧化物。
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