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高性能聚氨酯隔热胶的制备

更新时间:2016-10-16:  来源:毕业论文

高性能聚氨酯隔热胶的制备 摘要
除了高粘结强度和灵活性,PUR胶粘剂有良好的粘合木材,金属,陶瓷和一些塑料的性能。因此,在工业上被广泛的运用。双分系统中,多异氰酸酯或异氰酸酯端的预聚物和低分子量多元醇是混合的,并立即施加到基材(粘附体)来进行胶粘的。钾 - 二氮烯-1,2 – DIY双磷酸盐四水合物(稻造),成功地合成了其潜在的阻燃剂聚氨酯粘合剂并且进行了测试。作为结果,对新型卤化阻燃剂有新的的发展要求。无卤素的替代品的大部分属于磷(PIN)和无机氮阻燃剂;代表每个类别的实例是聚磷酸铵(APP)的金属氢氧化物(例如氢氧化铝)。关于可燃性的效果的添加剂,热释放速率,烟雾的产生和释放的一氧化碳被发现。此外,所形成的残基的宏观结构是锥形量热仪测试后从图像中肉眼观察所得的。

关键词:胶黏剂,多异氰酸酯,胶粘,阻燃剂
Preparation of two-component polyurethane insulation adhesive
Abstract:In addition to high bond strength and flexibility, PUR adhesives have good adhesion to wood, metals, ceramics and a number of plastics. They find, therefore, end-use in an ever-widening array of industrial applications cured. Socalled two component systems, a polyisocyanate or an isocyanate terminated prepolymer and a low molecular weight polyol are mixed and immediately applied to a base material (adherend) to be cured. polyurethane adhesives was tested. Potassium-diazene-1,2-diyldiphosphonate tetrahydrate (INAZO) was successfully synthesized and its potential as flame retardant for polyurethane adhesives was tested.As a consequence, there is an ever growing interest to developnew environmentally friendly halogen-free flame retardant systems. The majority of halogen-free alternatives belong to phosphorus,inorganic and nitrogen (PIN) flame retardants; representative examples of each category are ammonium polyphosphate (APP), metal hydroxides (e.g. aluminiumtrihydroxide) and amount. The effect of the additives on flammability, heat release rate,smoke generation and release of carbon monoxide is reported.Additionally, the macroscopic structure of the formed residues is visuallyexamined fromimages taken after the cone calorimeter tests.

Keywords: adhesives; polyisocyanate; cured; flameredardant
目录
1 绪论 5
1.1 聚氨酯胶黏剂的概述 5
1.1.1 双组份聚氨酯胶黏剂的发展历史 5
1.1.2 聚氨酯胶黏剂的制备原理 4
1.1.3 聚氨酯胶黏剂的制备机理 4
1.1.4 聚氨酯胶黏剂的技术发展 6
1.2 聚氨酯胶黏剂的制备 7
1.2.1 A组分的制备 7
1.2.2 B组分的制备 8
1.2.3 聚氨酯胶黏剂的配制 8
1.2.4 双组份PU胶黏剂的应用领域 8
1.2.5 双组份PU胶黏剂的性能 10
1.3 研究的目的和意义 10
1.3.1 研究的目的 10
1.3.2 研究的意义 10
1.3.3 预期的目标 11
2 双组份PU胶黏剂的研制 12
2.1 双组份聚氨酯的配方设计 12
2.2 实验用主要原料 12
2.3 试验用仪器 14
2.4 实验步骤 14
2.5 拉伸性能的测定 15
3 结果与讨论 16
3.1 双组份聚氨酯反应原理和组成 16
3.2 不同配方对断裂强度和断裂伸长率的影响 17
3.2.1 不同用量的MDI对产物的影响 17
3.2.2 1-4丁二醇用量对产物的影响 18
3.2.3 不同用量软段对产物的影响 18
3.2.4 CF6200对产物的影响 20
3.2.5 MOCA对产物的影响 22
3.2.6 DEG对产物性能的影响 23
3.2.7 DDL对产物的影响 24
4 结论 27
5 致谢 28
6 参考文献 29,3347

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