油酸钠改性纳米氧化镁及在抗菌油墨中的应用
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摘要
目的为了提高纳米氧化镁在有机介质中的分散性能。方法利用油酸钠作为改性剂改性纳米氧化镁粉体,探究其最佳的改性条件。结果确定了油酸钠改性纳米氧化镁的最佳改性条件,油酸钠质量分数为8%,改性时间为50 min,改性p H值为10,改性温度为50℃。在此条件下,纳米氧化镁的改性效果佳,亲油化度可达50.4%。通过沉降对比实验可知,改性后的纳米氧化镁具有良好的分散性能,并将改性后的纳米氧化镁添加于油墨之中,经测试可知添加改性纳米氧化镁的油墨抗菌效果更好。结论利用油酸钠改性纳米氧化镁可提高其分散性能,并表现出效果更佳的抗菌性。
In order to improve the dispersion of nano magnesium oxide, sodium oleate was used to modify nano magnesium oxide to find out the best modifying condition. The experimental results determined the optimum modifying condition as follows: sodium oleate with the mass fraction of 8%, the modification time 50 min, the p H value of modification 10, and the modification temperature 50 ℃. In this condition, nano magnesium oxide was best modified, as the oleophylic degree can be up to 50.4%. The modified nano magnesium oxide had better dispersion performance through the settlement experiment. The test showed that it also had better antibacterial performance when it was added to ink. Using sodium oleate to modify nano magnesium oxide can improve the dispersion performance and shows a better antibacterial performance.
In order to improve the dispersion of nano magnesium oxide, sodium oleate was used to modify nano magnesium oxide to find out the best modifying condition. The experimental results determined the optimum modifying condition as follows: sodium oleate with the mass fraction of 8%, the modification time 50 min, the p H value of modification 10, and the modification temperature 50 ℃. In this condition, nano magnesium oxide was best modified, as the oleophylic degree can be up to 50.4%. The modified nano magnesium oxide had better dispersion performance through the settlement experiment. The test showed that it also had better antibacterial performance when it was added to ink. Using sodium oleate to modify nano magnesium oxide can improve the dispersion performance and shows a better antibacterial performance.
引文
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[3]王利娜,冷小京.可食性抗菌膜的研究进展[J].食品科技,2011,36(10):97—101.WANG Li-na,LENG Xiao-jing.The Research Progress of Edible Antimicrobial Film[J].Food Science and Technology,2011,36(10):97—101.
[4]束浩渊,潘磊庆,屠康,等.抗菌材料在食品包装中的研究进展[J].食品科学,2015,36(5):260—265.SHU Hao-yuan,PAN Lei-qing,TU Kang,et al.The Research Progress of Antibacterial Materials in Food Packaging[J].Food Science,2015,36(5):260—265.
[5]LLORENSA A,LLORETB E,PICOUET P A,et al.Metallicbased Micro and Nanocomposites in Food Contact Materials and Active Food Packaging[J].Trends in Food Science&Technology,2012,24(1):19—29.
[6]夏海民,孙斌,冯新星.无机抗菌剂的分类,应用及发展[J].纺织导报,2010(6):115—117.XIA Hai-ming,SUN Bin,FENG Xin-xing.The Classification,Application and Development of Inorganic Antibacterial Agent[J].China Textile Leader,2010(6):115—117.
[7]CHERNOUSOVA S,EPPLE M.Silver as Antibacterial Agent:Ion,Nanoparticle,and Metal[J].Angewandte Chemie International Edition,2013,52(6):1636—1653.
[8]赵俊燕,罗世永,许文才.抗菌包装研究进展[J].包装工程,2012,33(5):132—137.ZHAO Jun-yan,LUO Shi-yong,XU Wen-cai.The Research Progress of Antibacterial Packaging[J].Packaging Engineering,2012,33(5):132—137.
[9]丁浩,童忠良,杜高翔.纳米抗菌技术[M].北京:化学工业出版社,2008.DING Hao,TONG Zhong-liang,DU Gao-xiang.Nano-Antibacterial Technology[M].Beijing:Chemical Industry Press,2008.
[10]贺岚,杨武斌,陈常明.无机抗菌剂应用现状及发展趋势研究[J].湖南科技学院学报,2007,28(4):113—116.HE Lan,YANG Wu-bin,CHEN Chang-ming.Recent Research,Application and Development Trend of Inorganic Antimicrobial Agent[J].Journal of Hunan University of Science and Engineering,2007,28(4):113—116.
[11]APPENDINI P,HOTCHKISS J H.Review of Antimicrobial Food Packaging[J].Innovative Food Science&Emerging Technologies,2002,3(2):113—126.
[12]曾丽丽,汤树海,陈蓬生,等.一种抗菌胶印UV油墨冲淡剂及其制备方法:中国,201210035495.2[P].2013-11-06.ZENG Li-li,TANG Shu-hai,CHEN Peng-sheng.A Kind of Antibacterial Offset Printing UV Ink Thinner and Preparation Method:China,201210035495.2[P].2013-11-06.
[13]HYEYOUNG Kong,JOOYOUNG Song,JYONGSIK Jang.Photocatalytic Antibacterial Capabilities of Ti O2Biocidal Polymer Nanocomposites Synthesized by A Surface-Initiated Photopolymerization[J].Environ Sci Technol,2010,44(14):5672—5676.
[14]BEYDOUN D,AMAL R,LOW G,et al.Role of Nanoparticles in Photocatalysis[J].J Nanopart Res,1999(1):439—458.
[15]安美清.抗菌材料在食品包装中的应用[J].重庆工商大学学报(自然科学版),2009,26(3):295—297.AN Mei-qing.The Application of Antibacterial Material in Food Packaging[J].Journal of Chongqing Technology and Business University(Natural Science Edition),2009,26(3):295—297.