纤维素/超细氧化锌复合气凝胶的制备及抗菌性能研究

doi:10.3969/j.issn.1673-5854.2019.05.007

Abstract

Abstract:

Cellulose(CE) was first dissolved by alkali method, and its hydrogen bond was destroyed. Then cellulose aerogels were prepared by cross-linking technology and freeze drying technology. It had good formability and flexibility. The cellulose aerogels were composited with superfine ZnO, which was obtained by solvothermal method, by immersion method to prepare cellulose/superfine ZnO(CE/ZnO) composite aerogels. The composite aerogels were characterized by X-ray diffraction(XRD), scanning electron microscopy(SEM) and elemental energy scattering(EDS). The results showed that the compositing was successful. At the same time, the composite aerogels were endowed with antibacterial properties. The antibacterial properties of the composite aerogels were also studied, and the results showed that the antibacterial activity of the composite aerogels improved with the increase of ZnO dosage. When the mass ratio of cellulose to ZnO was 1:2, the antibacterial effect of the obtained composite aerogel CE/ZnO-020 was the best, and the antibacterial rate reached 95.25%.

Key words: cellulose, superfine ZnO, aerogels, antibacterial

CLC Number:

TQ35
O629.5

Rongsheng YANG,Junfang ZHU,Shubo FENG. Preparation and Antibacterial Properties of Cellulose/Superfine ZnO Composite Aerogels[J]. Biomass Chemical Engineering, 2019, 53(5): 39-43.

Figures/Tables 6

References 17

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Preparation and Antibacterial Properties of Cellulose/Superfine ZnO Composite Aerogels

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