羧甲基纤维素/腐植酸合成生物可降解高吸水性聚合物

Acta Chimica Asiana Pub Date : 2019-08-15 DOI:10.29303/aca.v2i2.8

N. Ismillayli, S. Kamali, S. Hadi, D. Hermanto

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引用次数: 2

摘要

以羧甲基纤维素(CMC)、腐植酸和十八水硫酸铝为交联剂合成了高吸水性聚合物(SAP)共混物。SAP是一种亲水网络，可以在其结构中吸收和保留大量的水。采用IHSS法从巴图加坝路基中分离出腐植酸作为聚合物的起始原料。通过水吸收量(WAC)测定、红外光谱(FTIR)分析和搅拌试验研究了交联过程，以及Al3+和SO42-离子中哪一种引起了交联。CMC与交联剂的最佳交联率为2wt%，符合WAC测定。CMC/腐植酸共混物的FTIR光谱和搅拌试验表明，CMC通过Al3+离子与腐植酸发生反应。关键词:羧甲基纤维素;与离子;胡敏酸;高吸水性树脂聚合物。

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Synthesis of Biodegradable Superabsorbent Polymers from Carboxymethyl Cellulose/Humic Acid

Superabsorbent polymer (SAP) blend has been synthesized from carboxymethyl cellulose (CMC), humic acid, and aluminum sulphate octadecahydrate cross-linker. SAP is hydrophilic networks that can absorb and retain huge amount of water within their structures. Humic acid as starting material of polymer, was isolated from subgrade Batujai Dam by using IHSS method. Water Absorption Capacity (WAC) measurement, FTIR analysis, and agitation tests to investigate the cross-linking process and which of Al3+ and SO42- ions causes the crosslinking are carried out. Optimum cross-linking ratio of CMC and cross-linker appeared to be 2wt% corresponded to WAC determination. FTIR spectrum of CMC/humic acid blend and agitation test showed that CMC react with humic acid during polymerization process via Al3+ ion. Keywords: carboxymethyl cellulose; Al3+ ion; humic acid; superabsorbent polymer.

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Acta Chimica Asiana

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