| 改性聚乙烯醇水性憎水剂的研究 |
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| 引用本文： | 王舒,陈贻炽,朱立群. 改性聚乙烯醇水性憎水剂的研究[J]. 现代涂料与涂装, 2005, 8(5): 42-44,47 |
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| 作者姓名： | 王舒 陈贻炽 朱立群 |
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| 作者单位： | 北京航空航天大学材料科学与工程学院,北京,100083 |
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| 摘 要： | 研制了一种以聚乙烯醇、2种非离子表面活性剂——Span-20和Tween-20、水溶性缓蚀剂等为原料的水性憎水剂;考察了聚乙烯醇的聚合度和醇解度、2种非离子表面活性剂之间的配比、聚乙烯醇含量、乳化剂含量、水溶性缓蚀剂含量、预处理和后处理工序等因素对憎水剂憎水效果及稳定性的影响。试验结果表明,该憎水剂处理的钢材试样的各项指标优良,有望替代某些溶剂型憎水剂。
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| 关 键 词： | 聚乙烯醇 非离子表面活性剂 水溶性缓蚀剂 憎水剂 接触角 |
| 文章编号： | 1007-9548(2005)05-0042-03 |
| 修稿时间： | 2004-02-01 |
Study on a Kind of Modified Polyvinyl Alcohol Based Waterborne Water - Repellent |
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| WANG Shu,CHEN Yi-chi,ZHU Li-qun. Study on a Kind of Modified Polyvinyl Alcohol Based Waterborne Water - Repellent[J]. Modern Paint and Finishing, 2005, 8(5): 42-44,47 |
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| Authors: | WANG Shu CHEN Yi-chi ZHU Li-qun |
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| Abstract: | A water-repellent is formulated by polyvinyl alcohol, two kinds of nonionic surfactants (Span-20 and Tween-20), water-soluble inhibitor and et al. The influence of polymerization degree and alcoholysis degree of polyvinyl alcohol, the ratio of Span - 20 to Tween - 20, the amount of polyvinyl alcohol, the amount of water - soluble inhibitor, pretreatment and after - treatment processes and et al on the hydrophobic property and stability of the water -repellent is investigated. The experimental results show that each index of steel samples treated by the water - repellent is good. |
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| Keywords: | polyvinyl alcohol nonionic surfactants water - soluble inhibiter repellent contact angle |
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