细菌纤维素基柔性防护材料的制备及其性能研究
TB332; 面对突发事件对人体最佳保护措施之一,为穿戴高性能的防护材料.因此,研制穿着舒适、行动自如、防护性能优的新型柔性防护材料已成热点.柔韧性好、力学强度高和合成方便等优势的细菌纤维素材料(BC),在高强度纤维、柔性复合膜等应用领域已经获得成功.采用模板法制备出多孔BC材料,通过与纳米SiO 2、聚乙二醇(PEG)形成的剪切增稠液(SiO 2/PEG)复合,制备出了新型柔性防护材料,并以Kevlar纤维与SiO 2/PEG复合材料为参照样,进行性能评估研究.实验结果表明,(1)SiO 2/PEG剪切增稠效应和临界剪切速率与SiO 2质量分数和PEG分子链长相关;(2)BC和Kevlar与...
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| Published in | 功能材料 Vol. 50; no. 12; pp. 12007 - 12019 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
南京理工大学 化工学院,南京,210094
30.12.2019
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-9731 |
| DOI | 10.3969/j.issn.1001-9731.2019.12.002 |
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| Abstract | TB332; 面对突发事件对人体最佳保护措施之一,为穿戴高性能的防护材料.因此,研制穿着舒适、行动自如、防护性能优的新型柔性防护材料已成热点.柔韧性好、力学强度高和合成方便等优势的细菌纤维素材料(BC),在高强度纤维、柔性复合膜等应用领域已经获得成功.采用模板法制备出多孔BC材料,通过与纳米SiO 2、聚乙二醇(PEG)形成的剪切增稠液(SiO 2/PEG)复合,制备出了新型柔性防护材料,并以Kevlar纤维与SiO 2/PEG复合材料为参照样,进行性能评估研究.实验结果表明,(1)SiO 2/PEG剪切增稠效应和临界剪切速率与SiO 2质量分数和PEG分子链长相关;(2)BC和Kevlar与SiO 2/PEG复合,以BC为基体的材料的弯曲角(85°),远高于Kelvar为基体材料的弯曲角(45°),显示出BC防护材料的高柔韧性;(3)SiO 2/PEG体系中加入BC(31.7％),其防护性能与Kelvar(88.4％)对8 J冲击动能防护性能相当.因而,BC材料在软防护材料、阻尼材料等应用方面具有较大应用潜能. |
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| AbstractList | TB332; 面对突发事件对人体最佳保护措施之一,为穿戴高性能的防护材料.因此,研制穿着舒适、行动自如、防护性能优的新型柔性防护材料已成热点.柔韧性好、力学强度高和合成方便等优势的细菌纤维素材料(BC),在高强度纤维、柔性复合膜等应用领域已经获得成功.采用模板法制备出多孔BC材料,通过与纳米SiO 2、聚乙二醇(PEG)形成的剪切增稠液(SiO 2/PEG)复合,制备出了新型柔性防护材料,并以Kevlar纤维与SiO 2/PEG复合材料为参照样,进行性能评估研究.实验结果表明,(1)SiO 2/PEG剪切增稠效应和临界剪切速率与SiO 2质量分数和PEG分子链长相关;(2)BC和Kevlar与SiO 2/PEG复合,以BC为基体的材料的弯曲角(85°),远高于Kelvar为基体材料的弯曲角(45°),显示出BC防护材料的高柔韧性;(3)SiO 2/PEG体系中加入BC(31.7％),其防护性能与Kelvar(88.4％)对8 J冲击动能防护性能相当.因而,BC材料在软防护材料、阻尼材料等应用方面具有较大应用潜能. |
| Author | 李文静 李雪菲 杨加志 李锦坤 |
| AuthorAffiliation | 南京理工大学 化工学院,南京,210094 |
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| Author_FL | YANG Jiazhi LI Jinkun LI Wenjing LI Xuefei |
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| Keywords | 剪切增稠液 纳米SiO2 柔性防护 细菌纤维素 |
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| Snippet | TB332; 面对突发事件对人体最佳保护措施之一,为穿戴高性能的防护材料.因此,研制穿着舒适、行动自如、防护性能优的新型柔性防护材料已成热点.柔韧性好、力学强度高和合成方便... |
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| Title | 细菌纤维素基柔性防护材料的制备及其性能研究 |
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