| 阳离子水性聚氨酯表面施胶剂的制备及其应用 |
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| 引用本文： | 徐建峰,胡惠仁.阳离子水性聚氨酯表面施胶剂的制备及其应用[J].天津轻工业学院学报,2009(5):36-39. |
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| 作者姓名： | 徐建峰 胡惠仁 |
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| 作者单位： | 天津市制浆造纸重点实验室,天津科技大学材料科学与化学工程学院,天津300457 |
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| 摘 要： | 以甲苯二异氰酸酯（TDI）、聚酯二元醇、1，4-丁二醇和亲水扩链剂为原料，采用“内乳化法”制备阳离子水性聚氨酯乳液，讨论亲水扩链剂的种类和用量、中和方式、扩链温度等对聚氨酯乳液及其涂膜性能的影响，并将制得的聚氨酯乳液用于瓦楞原纸、涂布原纸的表面施胶．结果表明：其施胶效果良好，对纸页的相关性能具有明显的改善作用．
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| 关 键 词： | 阳离子水性聚氨酯 内乳化法 表面施胶 |
Preparation and Application of Cationic Aqueous Polyurethane Surface Sizing Agent |
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| XU Jian-feng,HU Hui-ren.Preparation and Application of Cationic Aqueous Polyurethane Surface Sizing Agent[J].Journal of Tianjin University of Light Industry,2009(5):36-39. |
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| Authors: | XU Jian-feng HU Hui-ren |
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| Affiliation: | (Tianjin Key Laboratory of Pulp and Paper, College of Material Science and Chemical Engineering, Tianjin University of Science ＆ Technology,Tianjin 300457,China) |
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| Abstract: | A series of cationic aqueous polyurethane dispersions were synthesized using toluene diisocyanate,polyester glycol, 1,4-butanediol and hydrophilic-chain extender as raw materials and by internal emulsification method. The effects of some factors such as the type of hydrophilic-chain extender and its dosage,method of neutralization and the temperature of chain extension on polyurethane emulsion and on the performance of film coating were discussed. The application experimental results showed that good sizing effects of the corrugating medium and the coating base paper were achieved after polyurethane surface sizing, and the properties of paper were improved significantly. |
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| Keywords: | cationic aqueous polyurethane internal emulsification method surface sizing |
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