论文总字数：15552字

摘 要

纳米锑掺二氧化锡（antimony doped tin oxide，n-ATO）作为纳米填料能够提高涂料的隔热性能，为了制备可见光透过性良好的玻璃隔热涂料，本课题将水性聚氨酯丙烯酸酯(WPUA)作为成膜物质再通过超声分散，将n-ATO均匀分散到WPUA中，制得n-ATO/WPUA隔热涂料。

通过反射红外分析（FTIR表征聚氨酯丙烯酸酯的结构）和索氏抽提测定凝胶率，确定最佳固化时间。对最佳固化时间状态下的样品进行了红外表征、力学性能测试。随后通过热失重分析（TG）对样品进行耐热性能表征，通过分光光度计测定其对紫外光-可见光-红外光的吸收能力，并对其隔热性能作进一步测定。结果表明：n-ATO/WPUA隔热涂料具备较为优良的力学性能以及热力学性能；对红外光的吸收能力良好，并且具有优异的隔热性能。当n-ATO的含量为6%时，所制得的隔热涂料的综合性能最好: 分散液粒径均匀，可以稳定储存；力学性能优异，拉伸强度和断裂伸长率分别与没有添加n-ATO的WPUA涂膜提高了25%、16%；隔热性能较好，与0% n-ATO的涂膜相比，最终的平衡温差可达20℃，对红外光透过率不到10%，并且对可见光的透过率可以达到65%。

关键词：水性聚氨酯丙烯酸酯 纳米锑掺二氧化锡 隔热涂料 分光光度计。

Preparation and Characterization of UV-curable Waterborne Polyurethane Thermal Insulation Coatings

Abstract

Nano-antimony doped with tin dioxide as a nano filler can improve the thermal insulation properties of the coating, in order to prepare a good permeability of the glass insulation coating, the subject of water-based polyurethane acrylate (WPUA) as a film-forming material and then by ultrasonic dispersion , Antimony doped tin oxide (antimony doped tin oxide，n-ATO) evenly dispersed into the WPUA, made n-ATO / WPUA insulation coating.

The optimal curing time was analyzed by the infrared analysis (FTIR characterization of the structure of the polyurethane acrylate) and the gelation rate of the cable extraction. The samples were subjected to infrared characterization and mechanical properties test. The thermodynamics of the samples was characterized by spectrophotometer, and the absorption capacity of UV - visible - infrared light was measured, and the thermal insulation properties were further measured. The data show that this n-ATO / WPUA thermal insulation coating has good mechanical properties and thermodynamic properties; good absorption of infrared light, and has excellent thermal insulation properties. When the content of nano-ATO is 6%, the comprehensive performance of the thermal insulation coating is the best: the dispersion particle size is uniform and can be stored stably; the mechanical properties are excellent, the tensile strength and the elongation at break are respectively compared with WPUA The membrane has a 25% and 16% increase in heat insulation performance. Compared with 0% n-ATO coating, the final equilibrium temperature difference is up to 20 ° C, and the infrared light transmission rate is less than 10%, while the visible light The rate reached 65%.

Key words: waterborne polyurethane acrylate；n-ATO；insulation coating； spectrophotometer.

目 录

摘要 I

Abstract II

第一章 文 献 综 述 1

1.1 引言 1

1.2 水性聚氨酯概述 1

1.2.1水性聚氨酯研究进展 2

1.2.2水性聚氨酯的制备 2

1.3 水性聚氨酯-丙烯酸酯隔热涂料概述 3

1.3.1透明隔热涂料组成 3

1.3.2透明隔热涂料研究进展 3

1.3.3 UV 固化 3

1.3.4纳米改性法改性水性聚氨酯 4

1.4 n-ATO改性水性聚氨酯 4

1.4.1 n-ATO /WPUA隔热机理 4

1.4.2 n-ATO水性聚氨酯隔热涂料研究进展 5

1.5 本文研究的内容、目的和意义 5

1.5.1 本文研究内容 5

1.5.2 本文研究的目的和意义 5

第二章 实验部分 7

2.1 实验原料 7

2.2 制备方法 7

2.2.1 紫外光固化WPUA乳液的合成 7

2.2.2 n-ATO/WPUA隔热涂料的制备 7

2.3 材料表征与性能测试 8

2.3.1 聚合物结构表征 8

2.3.2 固化时间测定 8

2.3.3 力学性能测试 8

2.3.4 耐热性能表征 8

2.3.5 光学性能测试 8

2.3.6 隔热性能测试 8

第三章 结果与讨论 10

3.1 涂膜的结构分析 10

3.2 最佳固化时间的分析 10

3.3 n-ATO含量对力学性能的影响分析 12

3.4 n-ATO对涂层耐热性能影响的分析 13

3.5 n-ATO对涂层光学性能的影响 14

3.6 n-ATO对涂料的隔热性能的影响 15

参考文献 17

第一章 文 献 综 述

1.1 引言

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