Synthesis of cellulose-g-poly(acrylic acid) with high water absorbency using pineapple-leaf extracted cellulose fibers

Synthesis of cellulose-g-poly(acrylic acid) with high water absorbency using pineapple-leaf extracted cellulose fibers

This study synthesized cellulose-g-poly(acrylic acid) with high water absorbency using the cellulose extracted from pineapple leaves. The synthesis experiment used a novel combination of ethylene glycol dimethacrylate (EGDMA) and azobisisobutyronitrile (AIBN) as the cross-linker and the initiator, r...

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Bibliographic Details
Published in:Carbohydrate polymers Vol. 288; p. 119421
Main Authors: Thien, Doan Van Hong, Lam, Duc-Ninh, Diem, Huynh Ngoc, Pham, Thi Yen Nhu, Bui, Nhat Quang, Truc, Ta Nguyen Thanh, Van-Pham, Dan-Thuy
Format: Journal Article
Language:English
Published: England Elsevier Ltd 15-07-2022
Subjects:
Acrylic Resins
Ananas
Cellulose - chemistry
Crosslinking
Hydrogel
Pineapple leaves
Plant Leaves
Polymerization
Prolonged water absorbency
Superabsorbent polymer
Water - chemistry
Polymerization
Superabsorbent polymer
Crosslinking
Hydrogel
Pineapple leaves
Prolonged water absorbency
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Summary:This study synthesized cellulose-g-poly(acrylic acid) with high water absorbency using the cellulose extracted from pineapple leaves. The synthesis experiment used a novel combination of ethylene glycol dimethacrylate (EGDMA) and azobisisobutyronitrile (AIBN) as the cross-linker and the initiator, respectively. Experimental results showed that the concentrations of AIBN and EGDMA had significant effects on the structure and the water absorbency of the cross-linked materials. The cellulose-g-poly(acrylic acid) synthesized with 0.5 wt% AIBN and 0.5 wt% EGDMA had an excellent swelling capacity of 1900 g/g in distilled water, significantly larger than previously reported ones. Compared with poly(acrylic acid), the cross-linked product demonstrated an absorbency improvement of 1.65 times in distilled water and 1.27 times in 8.6 ppm NaCl solution that was the highest salinity level in Ben Tre, Vietnam, in March 2020. Therefore, the obtained product showed high potential for agricultural applications, especially in coastal regions facing a growing thread of saltwater intrusion. [Display omitted]
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ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2022.119421