| 单宁紫外吸收特性及其在PVA薄膜中的应用 |
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| 引用本文： | 卢玉栋,朱惠娜,吴宗华.单宁紫外吸收特性及其在PVA薄膜中的应用[J].化工时刊,2009,23(6):32-34. |
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| 作者姓名： | 卢玉栋 朱惠娜 吴宗华 |
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| 作者单位： | 1. 福建师范大学化学与材料学院,福建,福州,350007
2. 东山出入境检验检疫局,福建,漳州,363401 |
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| 摘 要： | 采用紫外可见分光光度计对单宁酸、橡梳单宁和黑荆树单宁等进行定性扫描，探讨了不同种类单宁的紫外吸收特性，并考察了不同种类单宁的混和物的紫外吸收特性。将单宁添加到聚乙烯醇树脂中制成薄膜，探讨了单宁的种类和添加量对聚乙烯醇薄膜的紫外吸收特性的影响。结果表明：聚乙烯醇薄膜的紫外吸收特性不仅与单宁的种类有关，还与单宁的添加量有关。随着聚乙烯醇薄膜中单宁含量的增加，其对紫外吸收的效果越好。
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| 关 键 词： | 单宁酸 橡椀单宁 黑荆树单宁 聚乙烯醇 |
Study on the UV-Absorption Characteristics of Tannins and Its Application in PVA Thin Film |
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| Lu Yudong,Zhu Huina,Wu Zonghua.Study on the UV-Absorption Characteristics of Tannins and Its Application in PVA Thin Film[J].Chemical Industry Times,2009,23(6):32-34. |
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| Authors: | Lu Yudong Zhu Huina Wu Zonghua |
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| Affiliation: | College of Chemistry and Material Science;Fujian Normal University;Fujian Fuzhou 350007;*Dongshan Entry-Exit Inspection & Quarantine Bureau;Fujian Zhangzhou;363401 |
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| Abstract: | Tannic acid,valonia tannin and black wattle tannin were scanned by the UV-Vis spectrophotometer.The UV-absorption characteristics of the different tannins and the mixtures of the different tannins were investigated in this paper.Polyvinyl alcohol films were prepared by spin-coater.Effects of the types and contents of tannins on the UV-absorption characteristics of polyvinyl alcohol films were discussed.The results showed that the UV-absorption characteristics of polyvinyl alcohol films depended on both the ... |
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| Keywords: | Tannic acid valonia tannin black wattle tannin polyvinyl alcohol |
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