Title:
REDUCTION OF SMELL OF CATION-MODIFIED POLYVINYL ALCOHOL
Document Type and Number:
Japanese Patent JPH1149815
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve a problem of a so called 'fishy smell' due to a lower amine- based compound generated from a cation-modified polyvinyl alcohol. SOLUTION: This method for reducing a smell of a cation-modified polyvinyl alcohol obtained by adding sodium hydroxide into a methanol solution of a polyvinyl acetate having cationic groups in molecule thereof for saponification thereof, is to make the content of sodium acetate in the cation modified polyvinyl alcohol by <=0.5 wt.% in the drying process of the cation modified polyvinyl alcohol.
Inventors:
KATAYAMA TETSUYA
Application Number:
JP21176297A
Publication Date:
February 23, 1999
Filing Date:
August 06, 1997
Export Citation:
Assignee:
KURARAY CO
International Classes:
C08F6/00; C08F8/12; C08F18/08; (IPC1-7): C08F6/00; C08F8/12; C08F18/08