Abstract
Absorbency for feminine napkins is a research priority in the recent era, though commercial napkins are available with the same function properties achieved through finishing. One of those methods is coating SAPs, which act as hydrogels. Super absorbent polymers are generally coated in the second- or third-layer of the napkin. The present work deals with the coating of the SAP on the top layer by forming poly (acrylic acid)/sodium acrylate (ACN-g-PAA/SA) and demonstrating its absorption properties. Ultimately, we conducted a comparative analysis of all the SAPs prepared, and demonstrated an absorptive capacity of 104.35 g/g in tap water and 51.28 g/g in saline solution during free swelling. Additionally, under a specific load, it demonstrated 56.48 g/g in tap water and 27.42 g/g in saline solution. Based on the comparative results suggested by the TGA curve, water absorbency, and moisture content, the present work proposes a polymer suitable for coating the feminine napkin.
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