Preparation of copper-chelate quaternized carboxymethyl chitosan/organic rectorite nanocomposites for algae inhibition

被引：30
|
作者：
Cai, Jihai [1 ]
Ye, Weijie [1 ]
Wang, Xiaoying [1 ]
Lin, Wensheng [1 ]
Lin, Qixuan [1 ]
Zhang, Qiang [1 ]
Wu, Fangchengyuan [1 ]
机构：
[1] South China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
CARBOHYDRATE POLYMERS | 2016年 / 151卷
基金：
中国国家自然科学基金;
关键词：
Quaternized carboxymethyl chitosan; Organic rectorite; Copper; Algae inhibition; ANTIBACTERIAL ACTIVITY; RHEOLOGICAL BEHAVIOR; ASSISTED SYNTHESIS; AQUEOUS-SOLUTION; COMPOSITES; PROPERTY; CHITIN; TBT; NP;
D O I：
10.1016/j.carbpol.2016.05.045
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Quaternized carboxymethyl chitosan/organic rectorite (QCMC/OREC) nanocomposites were rapidly prepared by intercalating QCMC into the layer of OREC under microwave irradiation. And then copper-chelate QCMC/OREC (QCMC/OREC-Cu) nanocomposites were obtained by mixing QCMC/OREC with CuSO4 solution. XRD and TEM results indicated that QCMC/OREC nanocomposites were obtained and QCMC was dispersed in the interlayer of OREC. Besides, FT-IR results revealed that the hydrogen bonds and electrostatic interaction in QCMC/OREC-Cu were both stronger than those in QCMC/OREC because of introducing the Cu2+. The thermogravimetric analysis showed that the thermal stability of QCMC/OREC-Cu nanocomposites was higher than QCMC and QCMC/OREC. Algae inhibition assay revealed that QCMC/OREC-Cu nanocomposites had stronger antifouling activity than original QCMC and QCMC/OREC. This work provides important basis for developing novel antifouling materials. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：130 / 134
页数：5
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