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Title:
METHOD FOR SUPPRESSING POLYMERIZATION OF AROMATIC VINYL COMPOUND
Document Type and Number:
Japanese Patent JP2005281218
Kind Code:
A
Abstract:

To provide a method for suppressing the polymerization of a process fluid containing an aromatic vinyl compound in the production, purification, storage or transportation of the aromatic vinyl compound and provide a method for suppressing the polymerization of an aromatic vinyl compound by using an easily handleable compound having low toxicity and capable of suppressing the polymerization at initial stage and over a long period.

The method for suppressing the polymerization of an aromatic vinyl compound in the production, purification, storage or transportation of the aromatic vinyl compound comprises the use of (A) a 2,2,6,6-tetramethylpiperidin-1-oxyl compound, (B) 2-hydroxy-1,4-naphthoquinone and (C) an organic sulfonic acid compound at the same time.


Inventors:
Tanizaki, Seiji
Nakajima, Junichi
Application Number:
JP2004000098527
Publication Date:
October 13, 2005
Filing Date:
March 30, 2004
Export Citation:
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Assignee:
HAKUTO CO LTD
International Classes:
C07C7/20; C07C15/46; (IPC1-7): C07C7/20; C07C15/46
Domestic Patent References:
JPH0834748A
JP2003277302A
Foreign References:
US4654450A