Title:
SCALE DEPOSITION PREVENTIVE AGENT FOR POLYMERIZATION REACTOR
Document Type and Number:
Japanese Patent JP2005048024
Kind Code:
A
Abstract:
To provide a scale deposition preventive agent for polymerization reactors which does not discolor polymers even when it is peeled off the reactor to contaminate the polymers, and which does not deteriorate work environment even during the work for coating it on the polymerization reactor.
The scale deposition preventive agent for polymerization reactors comprises a condensation product of a naphthol compound and aldehydes having a weight average molecular weight in the range of 500-100,000 and an ascorbic acid compound.
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Inventors:
NABESHIMA TOSHIICHI
NIIKE HITOSHI
NIIKE HITOSHI
Application Number:
JP2003204781A
Publication Date:
February 24, 2005
Filing Date:
July 31, 2003
Export Citation:
Assignee:
DAI ICHI KOGYO SEIYAKU CO LTD
International Classes:
C08K5/09; C08F2/00; C08F14/00; C08L61/08; (IPC1-7): C08F2/00; C08F14/00; C08K5/09; C08L61/08
Attorney, Agent or Firm:
Noboru Fujimoto
Seiichi Yakumaru
Hiroaki Nakatani
Seiichi Yakumaru
Hiroaki Nakatani
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