公开(公告)号：US09923194B2

公开(公告)日：2018-03-20

申请号：US15017864

申请日：2016-02-08

Applicant: BASF SE

Inventor： Rolf Pinkos ,  Thomas Vogler ,  Karl Ott

IPC: C07D201/16 ,  C07D207/267 ,  H01M4/04 ,  H01M4/139 ,  C07D207/273 ,  C07D207/263

CPC classification number: H01M4/139 ,  C07D207/263 ,  C07D207/273 ,  H01M4/04

Abstract: Process for purifying N-alkylpyrrolidones which due to a previous use comprise at least one of the impurities of the formula I or II where R is hydrogen or a C1-C20-alkyl group, wherein a basic compound is added to the N-alkylpyrrolidone to be purified and the temperature of the mixture is at least 80° C. not more than 20 minutes after addition of the basic compound and N-alkylpyrrolidone is distilled off from the mixture obtained.

公开(公告)号：US20130324648A1

公开(公告)日：2013-12-05

申请号：US13902236

申请日：2013-05-24

Applicant: BASF SE

Inventor： Martin Weber ,  Rolf Pinkos ,  Thomas Vogler

IPC: C08L71/12 ,  C08G65/48

CPC classification number: C08L71/126 ,  C08G65/48 ,  C08G65/485

Abstract: The present invention relates to a process for the work-up of polymer solutions comprising N-methyl-2-pyrrolidone and a polymer where the polymer solution is hydrogenated with hydrogen in the presence of a hydrogenation catalyst.The present invention also relates to the product obtainable from said process, and to its use for producing, in particular, polyarylene ether products.

Abstract translation: 本发明涉及一种用于处理包含N-甲基-2-吡咯烷酮和聚合物的聚合物溶液的方法，其中聚合物溶液在氢化催化剂存在下用氢氢化。 本发明还涉及可从所述方法获得的产品及其用于生产特别是聚芳醚产品的用途。

公开(公告)号：US09127160B2

公开(公告)日：2015-09-08

申请号：US13902236

申请日：2013-05-24

Applicant: BASF SE

Inventor： Martin Weber ,  Rolf Pinkos ,  Thomas Vogler

IPC: C08L71/12 ,  C08G65/48

CPC classification number: C08L71/126 ,  C08G65/48 ,  C08G65/485

Abstract: The present invention relates to a process for the work-up of polymer solutions comprising N-methyl-2-pyrrolidone and a polymer where the polymer solution is hydrogenated with hydrogen in the presence of a hydrogenation catalyst.The present invention also relates to the product obtainable from said process, and to its use for producing, in particular, polyarylene ether products.

Abstract translation: 本发明涉及一种用于处理包含N-甲基-2-吡咯烷酮和聚合物的聚合物溶液的方法，其中聚合物溶液在氢化催化剂存在下用氢氢化。 本发明还涉及可从所述方法获得的产品及其用于生产特别是聚芳醚产品的用途。

公开(公告)号：US20140142323A1

公开(公告)日：2014-05-22

申请号：US14084888

申请日：2013-11-20

Applicant: BASF SE

Inventor： Rolf Pinkos ,  Thomas Vogler ,  Karl Ott

IPC: C07D207/273

CPC classification number: H01M4/139 ,  C07D207/263 ,  C07D207/273 ,  H01M4/04

Abstract: Process for purifying N-alkylpyrrolidones which due to a previous use comprise at least one of the impurities of the formula I or II where R is hydrogen or a C1-C20-alkyl group, wherein a basic compound is added to the N-alkylpyrrolidone to be purified and the temperature of the mixture is at least 80° C. not more than 20 minutes after addition of the basic compound and N-alkylpyrrolidone is distilled off from the mixture obtained.

Abstract translation: 由于先前使用而提纯N-烷基吡咯烷酮的方法包括至少一种式I或II的杂质，其中R是氢或C1-C20烷基，其中将碱性化合物加到N-烷基吡咯烷酮中 纯化，混合物的温度至少为80℃，加入碱性化合物后不超过20分钟，从得到的混合物中蒸馏除去N-烷基吡咯烷酮。

公开(公告)号：US09255069B2

公开(公告)日：2016-02-09

申请号：US14084888

申请日：2013-11-20

Applicant: BASF SE

Inventor： Rolf Pinkos ,  Thomas Vogler ,  Karl Ott

IPC: C07D207/267 ,  C07D207/273 ,  C07D207/263

CPC classification number: H01M4/139 ,  C07D207/263 ,  C07D207/273 ,  H01M4/04

Abstract: Process for purifying N-alkylpyrrolidones which due to a previous use comprise at least one of the impurities of the formula I or II where R is hydrogen or a C1-C20-alkyl group, wherein a basic compound is added to the N-alkylpyrrolidone to be purified and the temperature of the mixture is at least 80° C. not more than 20 minutes after addition of the basic compound and N-alkylpyrrolidone is distilled off from the mixture obtained.

Abstract translation: 由于先前使用而提纯N-烷基吡咯烷酮的方法包括至少一种式I或II的杂质，其中R是氢或C1-C20烷基，其中将碱性化合物加到N-烷基吡咯烷酮中 纯化，混合物的温度至少为80℃，加入碱性化合物后不超过20分钟，从得到的混合物中蒸馏除去N-烷基吡咯烷酮。