Ultra-fast self-healing PVA organogels based on dynamic covalent chemistry for dye selective adsorption

被引：31

作者：

Ren, Shujing ^{[1
]}

Sun, Panpan ^{[1
]}

Wu, Aoli ^{[1
]}

Sun, Na ^{[1
]}

Sun, Lixin ^{[1
]}

Dong, Bin ^{[2
]}

Zheng, Liqiang ^{[1
]}

机构：

[1] Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Shandong, Peoples R China

[2] China Univ Min & Technol, Sch Chem Engn & Technol, Xuzhou 221116, Jiangsu, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2019年 / 43卷 / 20期

基金：

中国国家自然科学基金;

关键词：

SUPRAMOLECULAR CHIRALITY; CHIROPTICAL SWITCH; BORONIC ESTER; HYDROGELS; POLYMER; PH; DELIVERY; REMOVAL; BORATE; DIOLS;

D O I：

10.1039/c9nj00891h

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Ultra-fast self-healing organogels based on dynamic covalent chemistry for dye adsorption were prepared from polyvinyl alcohol (PVA), 4-formylphenylboronic acid (FPBA), and tartaric acid dihydrazide (TDH) by an effective in situ reaction approach. The relative xerogels can adsorb methylene blue selectively with high efficiency. The boronate ester bonds and acylhydrazone bonds endow organogels with a very fast self-healing property. What's more, the chirality can be transferred from TDH to the organogels. The organogels obtained from l-TDH and d-TDH show opposite chirality according to the circular dichroism spectra.

引用

收藏

页码：7701 / 7707

页数：7

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