公开(公告)号：US20170081481A1

公开(公告)日：2017-03-23

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 KEINZ ,  Michael Klemens MUELLER

IPC: C08J3/14 ,  F26B5/14 ,  F26B3/08

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.

公开(公告)号：US20160215105A1

公开(公告)日：2016-07-28

申请号：US14904610

申请日：2014-07-16

Applicant: BASF SE

Inventor： Joerg ERBES ,  Gerhard LANGE ,  Tobias KORTEKAMP ,  Cecile SCHNEIDER

IPC: C08J3/14 ,  C08G75/23

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.

Abstract translation: 用于从聚亚芳基醚溶液制备聚亚芳基醚珠粒的方法，包括以下步骤：i）将聚亚芳基醚溶液分成液滴，ii）将沉淀液转移到沉淀浴中，以在沉淀槽中形成聚亚芳基醚珠粒，其中（A） 至少一种非质子溶剂（组分（1））和至少一种质子溶剂（组分（2）），（B）具有0℃至Tc的温度，其中[℃]中的临界温度Tc可以 通过数值方程Tc =（99-c）/0.61确定，其中c是沉淀浴中组分（1）的浓度[重量％]，（C）的组分（1）的浓度为5％ 重量至cc，其中[重量％]中的临界浓度cc可以通过数值方程式cc = 99-0.61 * T确定，其中T是沉淀浴中的温度[℃]，其中重量百分数 分别基于组分（1）和组分（2）i的重量百分比的总和i 沉淀浴。

公开(公告)号：US20160208056A1

公开(公告)日：2016-07-21

申请号：US14904491

申请日：2014-07-16

Applicant: BASF SE

Inventor： Joerg ERBES ,  Gerhard LANGE ,  Tobias KORTEKAMP ,  Cecile SCHNEIDER

IPC: C08J3/14 ,  C08G75/23

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.

Abstract translation: 用于从聚亚芳基醚溶液制备聚亚芳基醚珠粒的方法，包括以下步骤：i）将聚亚芳基醚溶液分成液滴，ii）将沉淀液转移到沉淀浴中，以在沉淀槽中形成聚亚芳基醚珠粒，其中（A） 至少一种非质子溶剂（组分（1））和至少一种质子溶剂（组分（2）），（B）具有0℃至Tc的温度，其中[℃]中的临界温度Tc可以 通过数值方程Tc =（77-c）/0.58确定，其中c是沉淀浴中组分（1）的浓度[重量％]，（C）中组分（1）的浓度为5％ 重量至cc，其中[重量％]的临界浓度cc可以通过数值方程式cc = 77-0.58 * T确定，其中T是沉淀浴中的温度[℃]，其中百分比由 重量分别基于组分（1）和组分（2）的重量百分比的总和， 在沉淀浴中。