| 聚氨酯涂料多重成膜机制的思考与实践 |
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| 引用本文： | 方旭升.聚氨酯涂料多重成膜机制的思考与实践[J].中国涂料,2009,24(1):19-23. |
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| 作者姓名： | 方旭升 |
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| 作者单位： | 北方涂料工业研究设计院,兰州,730020 |
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| 摘 要： | 结合实践详细介绍了聚氨酯涂料中的多重成膜机制,包括溶剂挥发成膜与PU交联的叠加、多重交联机制的叠加、PU交联与网络包裹、游离TDI在PU涂料固化过程中的附加交联作用等,这对于促进涂料的完美固化与涂膜性能的提高具有重要意义。
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| 关 键 词： | 聚氨酯涂料 多重成膜机制 涂膜固化 交联 网络包裹 |
Thought and practice about the multiple film-forming mechanisms in PU coatings |
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| Fang Xusheng.Thought and practice about the multiple film-forming mechanisms in PU coatings[J].China Paint,2009,24(1):19-23. |
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| Authors: | Fang Xusheng |
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| Affiliation: | Fang Xusheng (North Coatings Industrial Research and Design Institute, Lanzhou 730020, Gansu Province) |
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| Abstract: | Combined with practice, this paper investigates the multiple film forming mechanisms in PU coatings, including the superposition of volatilization film forming with PU crosslink, the superposition of several mechanisms, the superposition of PU crosslink with network encapsulation, and the additional crosslink action of free TDI, which are good for perfecting the curing and improving the performance of coatings. |
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| Keywords: | PU coatings multiple film-forming mechanisms film curing crosslink network encapsulation |
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