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聚乙烯醇/岗梅提取物/戊二醛/碳纳米管（VOGC）基复合水凝胶：一种潜在的控释材料候选物。

Poly(vinyl alcohol)/Premna Oblongifolia Merr. Extract/Glutaraldehyde/Carbon Nanotube (VOGC)-Based Composite Hydrogel: A Potential Candidate for Controlled-Release Materials.

机构信息

Department of Chemistry, Universitas Pendidikan Indonesia, Jl, Dr. Setiabudhi No. 229 Bandung, 40154., Jawa Barat, Indonesia.

出版信息

ChemistryOpen. 2023 Feb;12(2):e202200239. doi: 10.1002/open.202200239.

DOI:10.1002/open.202200239
PMID:36797074
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9935295/
Abstract

A hydrogel based on poly(vinyl alcohol) (V), Premna Oblongifolia Merr. extract (O), glutaraldehyde (G), and carbon nanotubes (C) has been synthesized in search of candidates to develop controlled-release fertilizers (CRF). Referring to previous studies, O and C can be considered as two materials that have potential as modifiers in synthesizing CRF. This work is comprised of hydrogel synthesis, their characterisation, including measuring swelling ratio (SR) and water retention (WR) of VOG , VOG , VOG C , VOG C , VOG C , VOG C -KCl, and release behaviour of KCl from VOG C -KCl. We found that C interacts physically with VOG, increased the surface roughness of VOG , and reduced the VOG crystallite size. The addition of KCl into VOG C reduced the pore size and increased the structural density of VOG C . The thickness and the C content of VOG affected its SR and WR. The addition of KCl into VOG C reduced its SR, but did not significantly affect its WR.

摘要

基于聚乙烯醇 (V)、岗梅提取物 (O)、戊二醛 (G) 和碳纳米管 (C) 的水凝胶已经被合成，以寻找开发控释肥料 (CRF) 的候选物。根据先前的研究，O 和 C 可以被认为是两种具有作为 CRF 合成调节剂潜力的材料。这项工作包括水凝胶的合成及其特性研究，包括测量 VOG、VOG、VOGC、VOGC、VOGC、VOGC-KCl 的溶胀比 (SR) 和保水率 (WR)，以及 VOGC-KCl 中 KCl 的释放行为。我们发现 C 与 VOG 发生物理相互作用，增加了 VOG 的表面粗糙度，并减小了 VOG 的结晶度。将 KCl 添加到 VOGC 中会减小 VOGC 的孔径并增加其结构密度。VOG 的厚度和 C 含量会影响其 SR 和 WR。将 KCl 添加到 VOGC 中会降低其 SR，但对 WR 的影响不显著。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/896d43ee6b9b/OPEN-12-e202200239-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/6b8bb0c4000f/OPEN-12-e202200239-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/0da74a678215/OPEN-12-e202200239-g009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/eb0eaa4df83c/OPEN-12-e202200239-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/896d43ee6b9b/OPEN-12-e202200239-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/d97a71985f70/OPEN-12-e202200239-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/ee54810b4061/OPEN-12-e202200239-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/3e283381dfce/OPEN-12-e202200239-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/289be67a4b0b/OPEN-12-e202200239-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/6b8bb0c4000f/OPEN-12-e202200239-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/0da74a678215/OPEN-12-e202200239-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/6b04f3bed13c/OPEN-12-e202200239-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/cf899735f583/OPEN-12-e202200239-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/d9cfd6a0440d/OPEN-12-e202200239-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/eb0eaa4df83c/OPEN-12-e202200239-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c129/9935295/896d43ee6b9b/OPEN-12-e202200239-g011.jpg

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