Title:
水溶性フィルムの塩素安定性のための可塑剤ブレンド
Document Type and Number:
Japanese Patent JP7146734
Kind Code:
B2
Abstract:
Disclosed herein are water-soluble films comprising a mixture of a water-soluble polyvinyl alcohol copolymer including an anionic monomer having a pendant carboxyl group, and a plasticizer blend comprising a first plasticizer comprising sorbitol and a secondary plasticizer selected from the group consisting of glycerol, trimethylolpropane, diglycerol, glycerol propylene oxide polymers, glycerol diacetate, 2-methyl-1,3-propanediol and a combination thereof, wherein (i) when the total plasticizer in the film is less than 12 PHR, then the plasticizer blend comprises sorbitol, glycerol, and at least one additional secondary plasticizer; (ii) when the total plasticizer in the film is at least 12 PHR and less than 20 PHR, then the plasticizer blend comprises sorbitol, glycerol, and at least one additional secondary plasticizer selected from diglycerol, trimethylolpropane and a combination thereof; and (iii) when the total plasticizer in the film is 20 PHR or greater, then sorbitol comprises at least ⅓ of the total plasticizer.
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Inventors:
Nii Shinsuke
Miranda Nathanael Earl
Miranda Nathanael Earl
Application Number:
JP2019504739A
Publication Date:
October 04, 2022
Filing Date:
August 01, 2017
Export Citation:
Assignee:
Monosol Limited Liability Company
International Classes:
C08L29/02; B65D65/46; C08J5/18; C08K5/053; C08K5/103
Domestic Patent References:
| JP2017533304A |
Foreign References:
| WO2016061026A1 |
Attorney, Agent or Firm:
Shinichiro Tanaka
Teshimaru Ken
Yoshi Kazuhiko Ta
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Machi Kobayashi
Teshimaru Ken
Yoshi Kazuhiko Ta
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Machi Kobayashi