本文主要研究内容
作者崔光文（2019）在《基于相反转乳化法聚氨酯纳胶囊的制备及其在芳香粘胶纤维中的应用》一文中研究指出：薰衣草精油是一种备受欢迎的香料,其芳香怡人,并具有多种药理功能。在众多的聚合物材料中,聚氨酯材料应用最为广泛,其硬度范围宽、弹性和强度较高的,耐磨性、耐高温性、耐疲劳性及抗震动性优异。多种客体分子如药物、酶、染料、基因、纳米粒子等可封装于中空聚合物微胶囊或纳胶囊中,并能以一定的速度释放出来,使其具有电学性能、光学性能以及催化性能。利用胶囊技术使得薰衣草精油被包埋于聚氨酯外壳中,显著增强了薰衣草精油释放的持久性和热稳定性。胶囊化后的薰衣草精油实现了永久固态化,在农业、日化、食品工业及纺织等领域得到广泛应用。作为一种节能环保的低能乳化方法,相反转自乳化法改变了高能乳化法高能耗、高成本、低环保等缺点,更加适合工业化规模生产。本论文基于低能相反转乳化法,成功制备了窄分散的薰衣草精油微纳乳液,并与界面聚合技术相结合,成功合成了以薰衣草精油为芯材,聚氨酯为壁材的纳胶囊。利用共混湿法纺丝,将具有最佳性能的纳胶囊悬浮液泵入粘胶纺丝原液得到芳香粘胶纤维。利用激光粒度分析仪、场发射电子扫描显微镜(SEM)、透射电子显微镜(TEM)、热重分析仪(TG)、紫外分光光度计、傅里叶红外光谱仪(FTIR)等对制备的微纳乳液、纳胶囊及芳香粘胶纤维进行测试与表征。研究表明,乳化剂HLB、油剂比、滴水量及滴水速度均对乳液粒径分布有较大影响,{[薰衣草精油/TDI三聚体溶液](1)+[Tween80(21)/Span80(22)]+水(3)}微纳乳液体系最佳乳化剂配比是Tween80:Span80=0.579:0.421,即HLB=10.5;最佳油剂比为15:8;随着水量的增加,乳液电导率先增加后减小;乳液粒度分布均一且呈现窄分散性,其大小为200nm左右,且乳液稳定性较好。制备得到的纳胶囊直径介于100-600nm,粒度分布均一,核壳结构明显,具有光滑致密表面;当精油/TDI三聚体比为5:10时产率最高为70.7%,包埋率和载油量分别高达98.6%、64.8%,且热稳定性良好。芳香粘胶纤维的结构与普通粘胶纤维相比未发生改变,但是其力学强度较普通纤维有所下降,抗静电性性能提升。芳香粘胶纤维与普通粘胶纤维均具有较高的热稳定性。当纳胶囊添加比为2%时,芳香粘胶纤维的热稳定性最接近普通粘胶纤维。留香性能方面研究表明,其在自然环境下留香性能良好,50℃高温环境下放置90天留香率仍在60%以上,经20次洗涤后留香率最低为2%,在此基础上留香率与纳胶囊的添加量呈正相关。
Abstract
xun yi cao jing you shi yi chong bei shou huan ying de xiang liao ,ji fang xiang yi ren ,bing ju you duo chong yao li gong neng 。zai zhong duo de ju ge wu cai liao zhong ,ju an zhi cai liao ying yong zui wei an fan ,ji ying du fan wei kuan 、dan xing he jiang du jiao gao de ,nai mo xing 、nai gao wen xing 、nai pi lao xing ji kang zhen dong xing you yi 。duo chong ke ti fen zi ru yao wu 、mei 、ran liao 、ji yin 、na mi li zi deng ke feng zhuang yu zhong kong ju ge wu wei jiao nang huo na jiao nang zhong ,bing neng yi yi ding de su du shi fang chu lai ,shi ji ju you dian xue xing neng 、guang xue xing neng yi ji cui hua xing neng 。li yong jiao nang ji shu shi de xun yi cao jing you bei bao mai yu ju an zhi wai ke zhong ,xian zhe zeng jiang le xun yi cao jing you shi fang de chi jiu xing he re wen ding xing 。jiao nang hua hou de xun yi cao jing you shi xian le yong jiu gu tai hua ,zai nong ye 、ri hua 、shi pin gong ye ji fang zhi deng ling yu de dao an fan ying yong 。zuo wei yi chong jie neng huan bao de di neng ru hua fang fa ,xiang fan zhuai zi ru hua fa gai bian le gao neng ru hua fa gao neng hao 、gao cheng ben 、di huan bao deng que dian ,geng jia kuo ge gong ye hua gui mo sheng chan 。ben lun wen ji yu di neng xiang fan zhuai ru hua fa ,cheng gong zhi bei le zhai fen san de xun yi cao jing you wei na ru ye ,bing yu jie mian ju ge ji shu xiang jie ge ,cheng gong ge cheng le yi xun yi cao jing you wei xin cai ,ju an zhi wei bi cai de na jiao nang 。li yong gong hun shi fa fang si ,jiang ju you zui jia xing neng de na jiao nang xuan fu ye beng ru nian jiao fang si yuan ye de dao fang xiang nian jiao qian wei 。li yong ji guang li du fen xi yi 、chang fa she dian zi sao miao xian wei jing (SEM)、tou she dian zi xian wei jing (TEM)、re chong fen xi yi (TG)、zi wai fen guang guang du ji 、fu li xie gong wai guang pu yi (FTIR)deng dui zhi bei de wei na ru ye 、na jiao nang ji fang xiang nian jiao qian wei jin hang ce shi yu biao zheng 。yan jiu biao ming ,ru hua ji HLB、you ji bi 、di shui liang ji di shui su du jun dui ru ye li jing fen bu you jiao da ying xiang ,{[xun yi cao jing you /TDIsan ju ti rong ye ](1)+[Tween80(21)/Span80(22)]+shui (3)}wei na ru ye ti ji zui jia ru hua ji pei bi shi Tween80:Span80=0.579:0.421,ji HLB=10.5;zui jia you ji bi wei 15:8;sui zhao shui liang de zeng jia ,ru ye dian dao lv xian zeng jia hou jian xiao ;ru ye li du fen bu jun yi ju cheng xian zhai fen san xing ,ji da xiao wei 200nmzuo you ,ju ru ye wen ding xing jiao hao 。zhi bei de dao de na jiao nang zhi jing jie yu 100-600nm,li du fen bu jun yi ,he ke jie gou ming xian ,ju you guang hua zhi mi biao mian ;dang jing you /TDIsan ju ti bi wei 5:10shi chan lv zui gao wei 70.7%,bao mai lv he zai you liang fen bie gao da 98.6%、64.8%,ju re wen ding xing liang hao 。fang xiang nian jiao qian wei de jie gou yu pu tong nian jiao qian wei xiang bi wei fa sheng gai bian ,dan shi ji li xue jiang du jiao pu tong qian wei you suo xia jiang ,kang jing dian xing xing neng di sheng 。fang xiang nian jiao qian wei yu pu tong nian jiao qian wei jun ju you jiao gao de re wen ding xing 。dang na jiao nang tian jia bi wei 2%shi ,fang xiang nian jiao qian wei de re wen ding xing zui jie jin pu tong nian jiao qian wei 。liu xiang xing neng fang mian yan jiu biao ming ,ji zai zi ran huan jing xia liu xiang xing neng liang hao ,50℃gao wen huan jing xia fang zhi 90tian liu xiang lv reng zai 60%yi shang ,jing 20ci xi di hou liu xiang lv zui di wei 2%,zai ci ji chu shang liu xiang lv yu na jiao nang de tian jia liang cheng zheng xiang guan 。
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论文详细介绍
论文作者分别是来自天津工业大学的崔光文，发表于刊物天津工业大学2019-07-05论文，是一篇关于相反转乳化法论文,薰衣草精油论文,聚氨酯论文,微纳乳液论文,纳胶囊论文,粘胶纤维论文,天津工业大学2019-07-05论文的文章。本文可供学术参考使用，各位学者可以免费参考阅读下载，文章观点不代表本站观点，资料来自天津工业大学2019-07-05论文网站，若本站收录的文献无意侵犯了您的著作版权，请联系我们删除。
标签：相反转乳化法论文; 薰衣草精油论文; 聚氨酯论文; 微纳乳液论文; 纳胶囊论文; 粘胶纤维论文; 天津工业大学2019-07-05论文;