SYNTHESIS AND CHARACTERIZATION OF POLY(VINYL ALCOHOL)- BACTERIAL CELLULOSE NANOCOMPOSITE

被引：0

作者：

Chiciudean, Teodor G. ^{[1
]}

Stoica, Anicuta ^{[2
]}

Dobre, Tanase ^{[2
]}

van Tooren, Michel ^{[3
]}

机构：

[1] Ke Works SRL, Bucharest, Romania

[2] Univ Politehn Bucuresti, Dept Chem Engn, Bucharest, Romania

[3] Delft Univ Technol, Fac Aerosp Engn, Dept Syst Engn & Aircraft Design, Delft, Netherlands

来源：

UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES B-CHEMISTRY AND MATERIALS SCIENCE | 2011年 / 73卷 / 02期

关键词：

Bacterial Cellulose Composites; A; Xylinum; poly(vinyl alcohol);

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new composite material has been obtained using cellulose pellicles produced by Acetobacter Xylinum and PVA. An optimal pH study for BC production was carried out at different initial pH values. A uniform structure was produced at pH 3.5 and 4. A new method for alkaline treatment of bacterial cellulose was proposed. The resulted cellulose was used to produce a new composite material which was subjected to tensile tests revealing a Young's modulus of 42 GPa and a tensile strength of up to 370 MPa. Experiments for water absorption showed that mechanical properties are slightly influenced after water absorption.

引用

页码：17 / 30

页数：14

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