| 吹膜法纤维素膜透水气性和取向结构的研究 |
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| 引用本文： | 张耀鹏,钱利荣,郝艳萍,邵惠丽,胡学超. 吹膜法纤维素膜透水气性和取向结构的研究[J]. 河南师范大学学报(自然科学版), 2004, 32(2): 46-50 |
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| 作者姓名： | 张耀鹏 钱利荣 郝艳萍 邵惠丽 胡学超 |
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| 作者单位： | 东华大学,材料学院,纤维材料改性国家重点实验室,上海,200051;东华大学,材料学院,纤维材料改性国家重点实验室,上海,200051;东华大学,材料学院,纤维材料改性国家重点实验室,上海,200051;东华大学,材料学院,纤维材料改性国家重点实验室,上海,200051;东华大学,材料学院,纤维材料改性国家重点实验室,上海,200051 |
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| 基金项目： | 上海市重点学科建设项目经费资助 |
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| 摘 要： | 探讨了以NMMO作溶剂时纤维素溶液的吹膜工艺中几个重要参数对薄膜透水气性的影响.实验发现:薄膜的透水气性与纤维素分子链的取向有着密切关系,且随着气隙长度、拉伸速度、吹胀比的增加而降低,但随着凝固浴温度的升高而增大.
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| 关 键 词： | 纤维素膜 透水气性 取向 |
| 文章编号： | 1000-2367(2004)02-0046-05 |
| 修稿时间： | 2003-12-04 |
Studies of water vapor transmission and orientation structure of cellulose blown films |
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| ZHANG Yao-peng,QIAN Li-rong,HAO Yan-ping,SHAO Hui-li,HU Xue-chao s,College of Material Science and Engineering,Donghua University,Shanghai ,China). Studies of water vapor transmission and orientation structure of cellulose blown films[J]. Journal of Henan Normal University(Natural Science), 2004, 32(2): 46-50 |
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| Authors: | ZHANG Yao-peng QIAN Li-rong HAO Yan-ping SHAO Hui-li HU Xue-chao s College of Material Science Engineering Donghua University Shanghai China) |
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| Affiliation: | ZHANG Yao-peng,QIAN Li-rong,HAO Yan-ping,SHAO Hui-li,HU Xue-chao s,College of Material Science and Engineering,Donghua University,Shanghai 200051,China) |
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| Abstract: | The influences of several parameters in the process of cellulose blown film are studied. The results show that the permeance of water vapor transmission has close relationship with the chain orientation of cellulose. It decreases with the length of air gap, take up speed and blown-up ratio, while increases with the temperature of the coagulation bath. |
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| Keywords: | cellulose film water vapor transmission orientation |
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