Preparation of Highly Loaded PAA/PAH Layer-by-layer Films by Combining Acid Transformation and Templating Methods

被引：3
|
作者：
Xia Qi [1 ]
Pan Shaofeng [1 ]
Zhang Yi [1 ]
An Qi [1 ]
Zhang Qian [1 ,2 ]
Zhang Yihe [1 ]
机构：
[1] China Univ Geosci, Sch Mat Sci & Technol, Natl Lab Mineral Mat, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Beijing 100083, Peoples R China
[2] Shandong Univ Technol, Sch Resources & Environm Engn, Zibo 255049, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2019年 / 35卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Layer-by-layer; High load; Calcium carbonate template; pH-Controlled release; MULTILAYERS; RELEASE;
D O I：
10.1007/s40242-019-8203-9
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Enhancing the molecular loading capability of layer-by-layer(LbL) method holds high importance in environmental and biomedical application. Here, we reported a strategy to prepare highly loaded poly(acrylic acid)(PAA)/poly(allylamine hydrochloride)(PAH) LbL films by combining the particulate templating strategy and acid treatment film transformation and realized the efficient loading of hydrophilic small molecules. The loaded molecules can be released in a pH-controlled manner. A slow release speed was observed in the acidic solutions with pH value of 3. Abrupt releases were observed at higher pH values(5 or 7).
引用
收藏
页码：353 / 358
页数：6
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