Title:
WATER-SOLUBLE FILM FOR LIQUID DETERGENT-PACKAGING CAPSULE
Document Type and Number:
WIPO Patent Application WO/2021/162087
Kind Code:
A1
Abstract:
Provided is a water-soluble film that is for a liquid detergent-packaging capsule and that is free from discoloration such as yellowing due to heating and coloring due to contact with a liquid detergent contained in the capsule, and can prevent deposition of inorganic salts such as sulfites and sulfates contained in the packaging capsule or the liquid detergent, and prevent whitening due to such deposition, and can maintain the tensional texture of the packaging capsule containing the liquid detergent and keep good appearance thereof over time. This water-soluble film for a liquid detergent-packaging capsule is a water-soluble film for a packaging capsule in which a liquid detergent is sealed, and is characterized by containing an anionic-group modified polyvinyl alcohol resin, a plasticizer including glycerin and sorbitol at a mass ratio of 1 : 2.1 to 5.3, and a sulfite, and is characterized in that the total contained amount of the glycerin and the sorbitol is 21-39 parts by mass, and the contained amount of the sulfite is 0.1-1.9 parts by mass, with respect to 100 parts by mass of the anionic-group modified polyvinyl alcohol resin.
Inventors:
TANIKAWA ATSUSHI (JP)
GOTO REI (JP)
GOTO REI (JP)
Application Number:
PCT/JP2021/005242
Publication Date:
August 19, 2021
Filing Date:
February 12, 2021
Export Citation:
Assignee:
AICELLO CORP (JP)
International Classes:
B65D65/46; C08K3/30; C08K5/053; C08L29/04; C11D3/04; C11D17/04
Domestic Patent References:
| WO2006035608A1 | 2006-04-06 |
Foreign References:
| JP2019119877A | 2019-07-22 | |||
| JP2015038227A | 2015-02-26 | |||
| JP2019189706A | 2019-10-31 | |||
| JP2005179390A | 2005-07-07 |
Other References:
See also references of EP 4105140A4
Attorney, Agent or Firm:
SHINKYU PARTNERS P.C. (JP)
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