Title:
WATER-SOLUBLE PACKAGING FILM
Document Type and Number:
Japanese Patent JP2018184499
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a water-soluble packaging film capable of preventing contamination of a roll during delivery of the roll, capable of releasing an agent in short time, excellent in chemical resistance, and capable of preventing reduction of water solubility of the film or coloring.SOLUTION: There is provided a water-soluble packaging film containing polyvinyl alcohol, a plasticizer, and hydroxylic acid or a salt thereof, in which the polyvinyl alcohol contains pyrrolidone ring modified polyvinyl alcohol and sulfonic acid modified polyvinyl alcohol, content of the pyrrolidone ring modified polyvinyl alcohol is 50 pts.wt., or more in 100 pts.wt., of the polyvinyl alcohol, content of the sulfonic acid modified polyvinyl alcohol is less than 50 pts.wt., content of the plasticizer is 3 to 15 pts.wt., in 100 pts.wt., of the polyvinyl alcohol, and content of the hydroxylic acid or the salt thereof is 1 to 5 pts.wt.SELECTED DRAWING: None
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Inventors:
IEDA YASUYUKI
Application Number:
JP2017085401A
Publication Date:
November 22, 2018
Filing Date:
April 24, 2017
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
C08L31/04; C08F216/06; C08F220/58; C08F226/10; C08K5/09
Domestic Patent References:
| JP2003104435A | 2003-04-09 | |||
| JP2000109574A | 2000-04-18 | |||
| JPH07118407A | 1995-05-09 | |||
| JP2016501785A | 2016-01-21 |
Attorney, Agent or Firm:
Atomi International Patent Office