Method for manufacturing a carbon dioxide-generating non-woven sheet

Non-woven sheet that generates carbon dioxide through acidic hydrogel coating and aging

This technology involves manufacturing a non-woven sheet that generates carbon dioxide by coating, drying, and aging a non-woven fabric with an acidic hydrogel composition made from an acidic solvent and an aqueous hydrogel solution, followed by cutting it into a facial mask shape.

Existing carbonated skin sheets have faced challenges in consistently generating carbon dioxide at the time of use and in ensuring the uniform distribution of ingredients across the non-woven fabric.

By coating and aging the acidic hydrogel onto the non-woven fabric to retain the reactive components, this technology allows for application in products like facial masks, where it generates carbon dioxide upon use to provide skin benefits.

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Key Features:

• Step 1: Preparing an acidic hydrogel composition containing an acidic solvent and an aqueous hydrogel solution.
• Steps 2 and 3: Coating the acidic hydrogel composition onto a non-woven fabric and drying it.
• Step 4: Aging the coated non-woven fabric in an aging chamber at 80–90°C for 24 to 48 hours.
• Step 5: Cutting the aged non-woven fabric into a shape suitable for facial application.

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