ANTI-FOGGING RESIN SHEET

PROBLEM TO BE SOLVED: To provide an anti-fogging resin sheet which has an anti-fogging agent layer formed on one surface of the sheet, and in which transfer between the anti-fogging agent layer and the other surface such as a release agent layer is suppressed, the transfer occurring when the sheet i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OZEKI KOTA, SUZUKI MASAJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an anti-fogging resin sheet which has an anti-fogging agent layer formed on one surface of the sheet, and in which transfer between the anti-fogging agent layer and the other surface such as a release agent layer is suppressed, the transfer occurring when the sheet is wound into a roll and then rewound and supplied to molding, and in which mixing of the anti-fogging agent in the anti-fogging agent layer with the release agent in the release agent layer during storage of the wound material is suppressed; to provide an anti-fogging resin sheet having good transparency and suppressed stickiness caused by the anti-fogging agent; and to provide an anti-fogging resin sheet exhibiting good anti-fogging property regardless of the temperature of contents such as a high temperature food and a low temperature food.SOLUTION: The anti-fogging resin sheet has an anti-fogging agent layer containing components of (A) a surfactant, (B) a polyoxyethylene-polyoxypropylene block copolymer and (C) a hydrophilic acrylic copolymer, on at least one surface of a resin sheet. The anti-fogging agent layer contains, with respect to the total amount of the (A) component and the (B) component, 90 to 50 mass% of the (A) component and 10 to 50 mass% of the (B) component; and the anti-fogging agent layer contains, with respect to the total amount of the (A) component, (B) component and (C) component, 95 to 50 mass% of the total of the (A) component and the (B) component and 5 to 50 mass% of the (C) component.