【発明の名称】熱可塑性ポリマーのポリマー溶液に蒸発を受けさせる方法

Title:

【発明の名称】熱可塑性ポリマーのポリマー溶液に蒸発を受けさせる方法

Document Type and Number:

Japanese Patent JP2002522564

Kind Code:

A

Abstract:

This invention relates to a multistep process for evaporating polymer solutions of thermoplastic polymers and for removing volatile constituents from thermoplastic polymers by indirect heat exchange. The invention relates in particular to a process for evaporating volatile constituents out of polymer solutions using shell-and-tube heat exchangers having a special geometry, coiled-tube evaporators and extrusion evaporators.

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Inventors:

Thomas Elsner
Heuser, Jürgen
Cole Climber, Clemens
Colts, Christian

Application Number:

JP2000563362A

Publication Date:

July 23, 2002

Filing Date:

July 27, 1999

Export Citation:

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Assignee:

Bayer Aktiengesellschaft

International Classes:

B01D1/00; B01D3/06; B01D19/00; B29B13/00; C08F6/00; C08G64/40; C08J3/12; (IPC1-7): C08J3/12; B29B13/00

Attorney, Agent or Firm:

Heiyoshi Odashima

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