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Title:
INDUSTRIAL EVAPORATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2006/064667
Kind Code:
A1
Abstract:
The problem to be solved by the present invention is to disclose a specific evaporation apparatus, wherein a liquid containing a substance having a boiling point lower than that of said liquid is allowed to fall along the outer surface of a guide and said substance having a lower boiling point is evaporated during the above fall, wherein the apparatus has such a industrial scale that the amount of said liquid to be subjected to the evaporation treatment is 1 ton or more per hour, wherein the apparatus can be operated stably for a long period of time, and wherein the apparatus is free from the problems originated from the change of properties of a product due to the long term residence of a part of said liquid. The present invention has solved the above problem, and has found that a concentrated liquid, a condensation polymer or a thermoplastic polymer having high quality or a high purity can be produced with ease.

Inventors:
FUKUOKA SHINSUKE (JP)
HACHIYA HIROSHI (JP)
MATSUZAKI KAZUHIKO (JP)
Application Number:
PCT/JP2005/022065
Publication Date:
June 22, 2006
Filing Date:
December 01, 2005
Export Citation:
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Assignee:
ASAHI KASEI CHEMICALS CORP (JP)
FUKUOKA SHINSUKE (JP)
HACHIYA HIROSHI (JP)
MATSUZAKI KAZUHIKO (JP)
International Classes:
C08G85/00; B01D1/00; C08F6/28; C08G63/90; C08G64/30; C08G69/46
Domestic Patent References:
WO2002051606A12002-07-04
WO2000007684A12000-02-17
Foreign References:
JPH10298279A1998-11-10
JPH02175703A1990-07-09
Attorney, Agent or Firm:
Inaba, Yoshiyuki (23rd Floor Roppongi Hills Mori Tower, 6-10-1, Roppong, Minato-ku Tokyo 23, JP)
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