The Effect of Polyethylene Glycol-Citric Acid (PEG-CA) Addition on Mechanical Properties of Dry Bacterial Cellulose Film
文献类型： 会议论文
第一作者： Rachmad Ade
作者： Rachmad Ade 1 ; Endang Saepudin 2 ; Sandi Sufiandi 1 ;
作者机构： 1.Transport of Active Materials and Biomaterials for Biomedical Devices, Research Center for Biomaterials, National Research and Innovation Agency (BRIN), Cibinong Science Center & Botanical Garden, Jl. Raya Bogor Km. 46, Cibinong, Bogor, West Java 16911 In
2.Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus UI Depok, West Java 16424 Indonesia
关键词： bacterial cellulose film;mechanical properties;hydrogen bonding;polyethylene glycol;citric acid
会议名称： International Symposium of Biomedical Engineering
主办单位：
页码： 020001-1-020001-7
摘要： Bacterial cellulose (BC) is natural and can be a source of nonwoven materials for biomedical applications. The mechanical properties of the film are arguably related to the strength of the hydrogen bonds of each glucose subunit in the BC. However, in a dry state, the film loses the properties, thereby making it more brittle. In this work, polyethylene glycol with a molecular weight of 600 g/mol (PEG-600) and citric acid (CA) was selected as a plasticizer and a crosslinker, respectively. Various concentrations of aqueous PEG and CA mixtures with different molar ratios were applied into the BC film by immersion. Other factors, such as the drying process of the wet BC gel and its thickness, were also considered. The mechanical properties of an as-obtained dried film were characterized further.
分类号： R318-532
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