Importance

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Abstract

This invention provides a water-soluble sealing packaging material having excellent halogen resistance which can seal a medicament to be dispersed or dissolved in water which does not contain a substance potentially harmful to human health, can be used safely, does not deteriorate and maintains solubility in water even if a medicament, especially a medicament comprising chlorine-containing compound or bromine-containing compound, is sealed by the packaging material and stored for a long period of time. The water-soluble sealing packaging material comprises a packaging raw material that comprises 100 parts by weight of a polyvinyl alcohol resin and 0.1 to 100 parts by weight of at least one of inorganic compound selected from the group consisting of a carbonate, an oxide and a hydroxide which have a metal selected from IIa group metals and IIb metals, and a hydrotalcite compound.

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First Claim