Title:
易重合性物質含有物の精製方法
Document Type and Number:
Japanese Patent JP5066309
Kind Code:
B2
Abstract:
A method for refining an easily polymerizable matter while preventing an easily polymerizable matter-containing substance from being polymerized and an apparatus for use in the method are disclosed. The method and apparatus for refining and separating the easily polymerizable matter-containing substance by the use of a distillation column provided with a heat exchanger set the linear velocity of a vapor in a connecting line intervening between the distillation column and the heat exchanger at a level of not less than 5 m per second and the retention time of the vapor at a level of not more than 3 seconds.
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Inventors:
Takeshi Nishimura
Yukihiro Matsumoto
Yukihiro Matsumoto
Application Number:
JP9789399A
Publication Date:
November 07, 2012
Filing Date:
April 05, 1999
Export Citation:
Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
C07B63/00; C07C57/07; B01D3/14; B01D3/32; B01D5/00; C07C51/44; C07C67/54; C07C69/54
Domestic Patent References:
| JP5765304A | ||||
| JP50126605A | ||||
| JP6263672A | ||||
| JP63151329A |
Attorney, Agent or Firm:
Hatta International Patent Corporation