聚氨酯泡沫塑料在保温管道中的应用

APPLICATION OF POLYURETHANE FOAM IN THE HEAT PRESERVATION OF PIPELINE

阐述了聚氨酯泡沫塑料的原料、反应原理及性能,叙述了聚氨酯发泡塑料在管道保温施工中的制备工艺、施工方法及在施工过程中的注意事项,并说明了一次发泡成型法的主要优点,介绍了某厂生活区蒸汽采暖改热水采暖工程中的管道采用聚氨酯塑料作保温材料时的保温效果。

The reactive mechanism, constitution of raw materials and its product property of polyurethane foam are expounder). The preparation technology of polyurethane foam and matters needing attention during the pipeline construction of the heat preservation are described. The main adrantages of once foam molding are explained and the effet of heat preservation of polyurethane foam for the pipeline changing from steam heating to hot water heating construction in the living region of a factory is introduced.