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【参・企英・研究】カテゴリタイトル

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NURASUTO! Antibacterial sheets

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NURASUTO! Antibacterial sheets, are antibacterial non-woven fabric sheets made with a component derived from scallop shells, was developed together with Oji Kinocloth Co., Ltd. at the Development Center.

A New Type of Antibacterial Sheet Which Exhibits its Antibacterial Properties When Moistened with Water

The Successful Fusion of Oji’s Proprietary Non-Woven Fabric Technology and a Natural Antibacterial Component

Observing the antibacterial properties exhibited by calcined scallop shells, Oji began investigating the commercialization of this material. Calcined scallop shell powder exhibits outstanding antibacterial properties when it comes in contact with water. Making use of Oji’s proprietary TDS*2 process technology, we succeeded in developing nonwoven fabric containing the material while maintaining the efficacy of the powder’s antibacterial component. The result was a new kind of non-woven antibacterial sheet that is used by moistening it with water.

Key Features of NURASUTO! Antibacterial Sheets

1) Effective Against a Diverse Array of Microbes

Possesses the superior antibacterial, antifungal, and antiviral qualities of calcined scallop shell powder. Just moisten with water to activate.
Note: Is not effective against all bacteria/fungi and viruses.

Antifungal (Anti-Mold) Property in Action (Example 1)

Rice cakes placed in a bag with a NURASUTO! Antibacterial sheet and stored at room temperature.

Antifungal (Anti-Mold) Property in Action (Example 2)

Strawberries placed on top of a NURASUTO! Antibacterial sheet instead of a conventional urethane foam mat.

Test Method
Strawberries placed on top of a NURASUTO! Antibacterial sheet instead of a conventional urethane foam mat and stored in a refrigerator for eight days. A fungus test kit (culture sheet) was used after four and eight days and the number of spores was tallied.

Antibacterial Property in Action (Example)

Sashimi (raw tuna) was wrapped in a NURASUTO! Antibacterial sheet and stored in a refrigerator.

Test Method
Sashimi (a block of raw tuna) was wrapped in a NURASUTO! Antibacterial sheet and stored in a refrigerator for three days. A similar block was wrapped in conventional food wrap and also stored in a refrigerator for three days for comparison. A bacteria test kit (culture sheet) was used after the three days and the number of colonies was tallied.

2) Superior Shelf Life

Able to Be Stored Long-Term *3

As long as no contact with water is made, its properties remain potent for extended periods of time, making it possible to store NURASUTO! Antibacterial sheets dry long-term.

*3: Conventional wet wipes use an antibacterial liquid and lose their antibacterial properties when they dry out, making long-term storage problematic. The antibacterial power of NURASUTO! Antibacterial sheets, however, remains strong as long as they are kept dry. Unopened, NURASUTO! Antibacterial sheets have a two year shelf life.

Easy to Take Anywhere

NURASUTO! Antibacterial sheets are dry, making them light and easy to carry.

3) Non-Chlorine-Based Active Ingredient is Odor Free

No Need to Clean up After Disinfecting

The active ingredient in NURASUTO! Antibacterial sheet exhibits the same disinfecting power as chlorine-based antimicrobials*4 but is non-corrosive, meaning there’s no need to wipe surfaces clean after disinfecting.

*4: Evaluated using JIS L 1902 antimicrobial testing.

Makes it Easy to Disinfect All Manner of Areas

Free of the odors associated with chlorine-based antimicrobials, NURASUTO! Antibacterial sheets can be used to wipe all manner of surfaces even in areas with children and the elderly.

Can be Packaged Together with Foods

The active ingredient in NURASUTO! Antibacterial sheets, calcined scallop shell powder, is also used as a food additive, making it possible to package NURASUTO! Antibacterial sheets together with foods. (NURASUTO! Antibacterial sheets are activated by even the tiniest amount of moisture from foods, making them a way to sterilize and deodorize foods.) 

4) Proprietary Production Process Yields Superior Texture and Comfort

The TDS process enables a variety of customizations.

  • Through our proprietary production process, NURASUTO! Antibacterial sheets can be provided with other characteristics in addition to antimicrobial properties.
  • Thickness, density, and other characteristics can be customized according to purposes and needs.
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