Wasserlöslicher Folie

The present invention provides a water-soluble film comprising 100 parts by weight of (A) a modified polyvinyl alcohol having a sulfonic acid group and 0.05 to 20 parts by weight of (B) gallic acid or a C1-5 alkyl ester thereof; a package of acid chemical substances, chlorine-containing chemical sub...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MIYAZAKI, HIROTOSHI
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention provides a water-soluble film comprising 100 parts by weight of (A) a modified polyvinyl alcohol having a sulfonic acid group and 0.05 to 20 parts by weight of (B) gallic acid or a C1-5 alkyl ester thereof; a package of acid chemical substances, chlorine-containing chemical substances or agricultural chemicals being packaged with the water-soluble film; and a composition comprising 100 parts by weight of (A) a modified polyvinyl alcohol having a sulfonic acid group and 0.05 to 20 parts by weight of (B) gallic acid or a C1-5 alkyl ester thereof. The water-soluble film of the present invention gives an excellent result that the water-solubility is not lowered with the passage of time, even when used for packaging acid chemical substances, chlorine-containing chemical substances or agricultural chemicals. The composition of the present invention is favorably used not only as a material for producing the water-soluble film but also as a material for producing fibers which are used for non-woven fabrics, etc.