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Title:
MANUFACTURING METHOD OF VINYLPYRROLIDONE-BASED POLYMER
Document Type and Number:
Japanese Patent JP2017171829
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method capable of manufacturing a vinylpyrrolidone-based polymer less in the content of gelatinous articles.SOLUTION: There is provided a manufacturing method of a vinylpyrrolidone-based polymer, including a step for polymerizing a monomer component containing N-vinylpyrrolidone and a drying step for removing a solvent from a vinylpyrrolidone polymer-containing solution that contains the vinylpyrrolidone polymer obtained in the polymerization step and has a dissolved oxygen concentration of 15 ppm or less.SELECTED DRAWING: None

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Inventors:
KUROKI TOMOYA
Application Number:
JP2016061943A
Publication Date:
September 28, 2017
Filing Date:
March 25, 2016
Export Citation:
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Assignee:
NIPPON CATALYTIC CHEM IND
International Classes:
C08F26/10; C08L39/06
Domestic Patent References:
JP2011212233A2011-10-27
JP2001048938A2001-02-20
JP2005272629A2005-10-06
JP2014091636A2014-05-19
JP2013226526A2013-11-07
Attorney, Agent or Firm:
Atomi International Patent Office



 
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