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US 2021/0171882 A1Published application
Water-soluble film
AssigneeAicello Corporation
InventorsAtsushi TANIKAWA, Kazuyuki MIZOBATA
Life of this patent
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Abstract
An object is to obtain a water-soluble film that ensures lower roll feeding tension, excellent anti-blocking property, etc., and does not stick to metal seal bars, etc., during heat sealing. As a solution, a water-soluble film is provided that contains A to D below: A. a polyvinyl alcohol resin; B. a plasticizer; C. an alkali metal salt of aliphatic acid having 6 to 22 carbon atoms and/or D. phosphate ester surfactant.
Claims20
A water-soluble film containing:
- A. a polyvinyl alcohol resin;
- B. a plasticizer;
- C. an alkali metal salt of aliphatic acid having 6 to 22 carbon atoms;
- and/or
- D. phosphate ester surfactant.
2 more elements
Dependencies are inferred from the claim text.