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FILM SOLUBLE DANS L'EAU, EMBALLAGE DE MÉDICAMENT, ET PROCÉDÉ DE PRODUCTION DE FILM SOLUBLE DANS L'EAU
FILM SOLUBLE DANS L'EAU, EMBALLAGE DE MÉDICAMENT, ET PROCÉDÉ DE PRODUCTION DE FILM SOLUBLE DANS L'EAU
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摘要
A water-soluble film includes a polyvinyl alcohol resin (A) as a main component, wherein the ratio (XTD/XMD) of a degree of elongation (XTD) in the transverse direction (TD) of the water-soluble film to a degree of elongation (XMD) in the machine direction (MD) thereof when the water-soluble film is floated on the surface of water at 20°C for 60 seconds is from 1.05 to 1.5. The water-soluble film exhibits reduced curling, exhibits reduced positional shift, and shows satisfactory sealability while forming a package.
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