| 细菌纤维素膜的制备与性能 |
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| 引用本文： | 王敏,朱平,赵晓霞,董宁.细菌纤维素膜的制备与性能[J].功能高分子学报,2008,21(4):405-410. |
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| 作者姓名： | 王敏 朱平 赵晓霞 董宁 |
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| 作者单位： | 1. 青岛大学纤维新材料及现代纺织国家重点实验室培育基地,山东,青岛,266071
2. 青岛大学纤维新材料及现代纺织国家重点实验室培育基地,山东,青岛,266071;武汉科技学院新型纺织材料绿色加工及其功能化教育部重点实验室,武汉,430073 |
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| 基金项目： | 国家自然科学基金
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| 摘 要： | 以细菌纤维素为原料,氯化锂(LiCl)/二甲基乙酰胺(DMAc)为溶剂,通过相转化法制备了细菌纤维素膜.用单纤维强力仪对膜的拉伸强度和伸长率进行测试,分析了细菌纤维素浓度、凝固浴温度、凝固浴浓度、凝固时间及塑化条件对膜力学性能的影响.结果表明:在一定范围内,随着制膜液中细菌纤维素浓度的增加、凝固浴温度的降低和凝固浴浓度的增大,膜的拉伸强度和伸长率均提高;随着甘油浓度的增大和塑化时间的延长,膜的拉伸强度逐渐减小,伸长率逐渐增大.
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| 关 键 词： | 细菌纤维素 膜 氯化锂/二甲基乙酰胺 甘油 |
Preparation and Property of Bacterial Cellulose Membrane |
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| WANG Min,ZHU Ping,ZHAO Xiao-xia,DONG Ning.Preparation and Property of Bacterial Cellulose Membrane[J].Journal of Functional Polymers,2008,21(4):405-410. |
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| Authors: | WANG Min ZHU Ping ZHAO Xiao-xia DONG Ning |
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| Institution: | WANG Min1,ZHU Ping1,2 ZHAO Xiao-xia1,DONG Ning1(1.Growing Base for State Key Laboratory of New Fiber Materials , Modern Textile,Qingdao University,Qingdao 266071,Sh,ong,China,2.Key Laboratory of Green Processing , Functional Textiles of New Textile Materials of Ministry of Education,Wuhan University of Science , Engineering,Wuhan 430073,China) |
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| Abstract: | Bacterial cellulose membranes were prepared by phase inversion method using bacterial cellulose as material and lithium chloride/dimethylacetamide as solvent.The tensile strength and elongation of membranes were determined by a monofilament tensile testing machine.The effects of bacterial cellulose concentration coagulation bath temperature,coagulation bath concentration and coagulation time on mechanical properties of membranes were investigated.Results show that the membrane mechanical property improves w... |
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| Keywords: | bacterial cellulose membrane lithium chloride/dimethylacetamide glycerol |
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