维普论文检测系统VIP PAPER CHECK SYSTEM纤维素基湿度传感器的制备及性能研究【原文对照报告-大学生版】报告编号：5eeeb7f5d9643226检测时间：2021-04-2716：37：30检测字符数：12184作者姓名：任天姿所属单位：维普论文检测全文总相似比复写率他引率自引率专业术语检测结论：3.04%3.04%0.0%0.0%0.0%其他指标：自写率：96.96%高频词：湿度，纤维素，纤维，测试，实验典型相似文章：无指标说明：复写率：相似或疑似重复内容占全文的比重他引率：引用他人的部分占全文的比重自引率：引用自己已发表部分占全文的比重自写率：原创内容占全文的比重典型相似性：相似或疑似重复内容占全文总相似比超过30%专业术语：公式定理、法律条文、行业用语等占全文的比重总相似片段期刊：1博硕：6综合：0相似片段：8外文：0自建库：0互联网：1检测范围：中文科技期刊论文全文数据库中文主要报纸全文数据库中国专利特色数据库博士/硕士学位论文全文数据库中国主要会议论文特色数据库港澳台文献资源外文特色文献数据全库维普优先出版论文全文数据库互联网数据资源/互联网文档资源高校自建资源库图书资源古籍文献资源个人自建资源库年鉴资源IPUB原创作品时间范围：1989-01-01至2021-04-27维普论文检测系统VIP PAPER CHECK SYSTEM原文对照颜色标注说明：■自写片段■复写片段（相似或疑似重复）■引用片段（引用）■专业术语（公式定理、法律条文、行业用语等）本科毕业论文纤维素基湿度传感器的制备及性能研究任天姿201712040122指导教师张超群教授学院名称材料与能源学院专业名称材料化学论文提交日期2021年4月论文答辩日期2021年5月摘要自从十八大提出五位一体战略以来，人们越来越关注生态文明建设。传统工业领域的材料虽然有很好的性能但大多是不可再生能源，不利于长期可持续发展。因此人们将眼光投入到可再生能源，比如纤维素。纤维素作为自然界中广泛存在的一种天然高分子材料，具有价格低廉、来源广泛、可降解、生物相容性好等一系列不可比拟的优点。科研人员将纤维素应用到各行业中，比如有人用纳米纤维素制作超级电容器，有人利用纤维素的抑菌性能制作了可降解的食品包装材料。现有的湿度传感器一般采用电子元件感应湿度变换。纤维素自身会形成分子内和分子间氢键这使得纤维素的溶解变得很困难。国际上有几种常见的溶解体系，但所用溶剂大都价格高昂且不符合环保及可持续发展性。由我国团队发现的低温下碱溶液体系溶解纤维素，是一种非常便捷且高效的方法，本实验就采用了这种方法溶解纤维素。本文采用以纤维素为基底膜，在低温下苄基三甲基氢氧化铵的0H阴离子与纤维素的羟基形成氢键相互作用，替代了纤维素分子内和分子间氢键，从而溶解纤维素，也从侧面证明了纤维素的两亲性。再通过简单的浸泡硫酸钠溶2维普论文检测系统VIP PAPER CHECK SYSTEM液的方法，使纤维素基体膜发生吸附，通过红外谱图可以清楚观察到纤维素膜没有发生官能团的变化说明是简单的物理吸附。所制得的膜透过率达96.289%，拉伸性能达50MP:通过实验证明了所制得的纤维素基响应膜具有湿度响应，且根据多次反复实验得到湿度与弯折角度的拟合效果很好的线性曲线，可以对不同湿度环境下的膜的弯折角度进行预测。关键词：纤维素湿度计湿度响应Preparation and Properties of Cellulose based Humidity SensorRen Tianzi(College of Materials and Energy,South China Agricultural University,Guangzhou510642,China)Abstract:Since the 18th National Congress put forward the strategy of five in one,people havepaid more and more attention to the construction of ecological civilization.Although thetraditional industry materials have good performance,most of them are non-renewable energy,whichis not conducive to long-term sustainable development.So people are looking at renewable energysources,such as cellulose.Cellulose,as a kind of natural polymer material,has many incomparableadvantages,such as low price,wide source,biodegradability and good biocompatibility.Researchershave applied cellulose to various industries,such as nano cellulose as super capacitors,and somepeople have made degradable food packaging materials by using the antibacterial properties ofcellulose.The current humidity sensor generally adopts electronic element induction humiditytransformation.Cellulose itself forms intramolecular hydrogen bonds,which makes it difficult to dissolvecellulose.There are several common dissolution systems in the world,but the solvents used are notin line with environmental protection and sustainable development.The solution of cellulose inalkaline solution system at low temperature,which was found by academician Zhang Lina,is a veryconvenient and efficient method.This method was used in this experiment to dissolve cellulose.In this paper,the hydrogen bond between the 0-H anion of benzyltrimethylammonium hydroxide andthe hydroxyl group of cellulose was formed by using cellulose as the base membrane,which replacedthe intramolecular and intermolecular hydrogen bonds of cellulose,and thus dissolved cellulose.Theamphiphilicity of cellulose was also proved from the side.Then,the cellulose matrix membrane wasadsorbed by simple immersion of sodium sulfate solution.It was clear that the cellulose membranehad no functional group change by infrared spectrum.The obtained membrane has a transmittance of96.289%and a tensile property of 50MPa.The experimental results show that the cellulose basedresponse membrane has humidity response,and the linear curve of humidity and bending angle isobtained according to repeated experiments,which can predict the bending angle of membrane underdifferent humidity environment.Keywords:Cellulose hygrometer humidity response目录1前言11.1膜的简介11.2纤维素简介11.3湿度传感器的简介21.4纤维素基湿度传感器的简介22实验部分22.1主要原料和仪器22.2主要药品和试剂32.3主要仪器32.4纤维素基湿度响应膜的制备42.4.1纤维素基底膜的制备43