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介绍了一种高效空气过滤器用快速凝胶PU(聚氨酯)胶粘剂及其制备工艺,探讨了助剂类型及掺量对该胶粘剂粘接性能、凝胶时间以及施工性能的影响。研究结果表明:采用自制助剂调配的双组分胶粘剂具有施工性能较佳、操作简单、凝胶时间可调且凝胶破坏后可修复次数较多等优点,完全满足高效空气过滤器的应用需求。
A rapid gel PU (polyurethane) adhesive for efficient air filter and its preparation process are introduced. The effects of the type and amount of auxiliary agent on the adhesive performance, gel time and construction performance of the adhesive are discussed. The results show that the two-component adhesive formulated with self-made additives has the advantages of good construction performance, simple operation, adjustable gel time and more repairable after gel destruction, which fully meets the application requirements of high efficiency air filter .