PAPER SHEET

• Main Authors: MIURA KATSUYA, OISHI MASATOSHI, YOSHIMATSU TAKEHIRO, SOTOOKA RYO
• Format: Patent
• Language: English; Japanese
• Published: 13.03.2023
• Subjects: FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; IMPREGNATING OR COATING OF PAPER; LAUNDERING; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS

To provide paper sheet that is supposed to be handed from person to person, especially business card paper sheet consisting of antiviral paper with excellent antiviral activity.SOLUTION: The present invention provides paper sheet having antiviral properties, and is particularly suitable for business card paper sheet. The paper sheet of the present invention has a paper thickness of 150 μm or more as measured according to JIS P 8118 and an antiviral activity value (Mv) of 2.0 or more against influenza virus or feline calicivirus as measured according to JIS L 1922:2016 (test method for antiviral properties of textile products).SELECTED DRAWING: None 【課題】本発明の課題は、人から人に手渡されることを前提とした用紙、特に、優れた抗ウイルス活性を備えた、抗ウイルス性紙からなる名刺用紙を提供することである。【解決手段】本発明によって、抗ウイルス性を有する用紙が提供され、特に名刺用紙に好適な用紙が提供される。本発明に係る用紙は、ＪＩＳ Ｐ ８１１８に従って測定した紙厚が１５０μｍ以上、ＪＩＳ Ｌ １９２２：２０１６（繊維製品の抗ウイルス性試験方法）に基づいて測定したインフルエンザウイルスまたはネコカリシウイルスに対する抗ウイルス活性値（Ｍｖ）が２．０以上である。【選択図】なし