重合体溶液から固体を分離する方法および装置

Title:

重合体溶液から固体を分離する方法および装置

Document Type and Number:

Japanese Patent JP4685244

Kind Code:

B2

Abstract:

The present invention relates to a process for separating a dissolved polymer from solids, wherein the solid is separated off by sedimentation and the sedimented solid is washed in countercurrent with a solvent. The present invention further relates to a process for preparing polymers in a solvent, whereina) a polymer having a low molecular weight is prepared in solution,b) the solid which is undissolved in the reaction mixture is separated off by sedimentation andc) the mixture which has been freed of the solid is polymerized further until a particular molecular weight has been reached.

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Inventors:

Michael, haobs
Wagener, Reinhard

Application Number:

JP2000611596A

Publication Date:

May 18, 2011

Filing Date:

March 20, 2000

Export Citation:

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Assignee:

Ticona GmbH

International Classes:

C08G85/00; B01D3/24; B01D21/00; B01J8/00; C08G75/02; C08G75/0213; C08G75/0254; C08G75/0277; C08G75/0281

Domestic Patent References:

JP8283412A
JP10507223A
JP2001503085A

Foreign References:

WO1998014503A1

Attorney, Agent or Firm:

Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Shinya Hosokawa

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