The features of rigid PU foam and its applications in construction were introduced.
简要介绍了硬质聚氨酯泡沫塑料的特点及其在建筑业的应用情况。
The preparation of rigid PU foam for refrigerator is studied. The production quality control flow scheme of rigid PU foam for refrigerator is designed.
介绍了冰箱用硬质聚氨酸泡沫塑料(简称硬泡)的制备工艺，设计了冰箱用硬泡生产过程中的质量控制流程。
The incombustibility of the military rigid polyurethane (PU) foam materials was studied. The optimum formula of compound flame retardant was determined by screening and orthogonal test.
为提高军用聚氨酯硬质泡沫迷彩伪装材料的阻燃性能，对各种阻燃剂进行了筛选并进行正交复配试验，确定了复配阻燃剂的最佳配方。
Basic composition and preparation technology of PU rigid foam are described and various factors that exert effects in the course of preparation are discussed.
介绍了该PU硬泡的基本组成和制备工艺，讨论了制备过程中的各种影响因素。
A polyurethane (PU) rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside (EGG) as the main materials, and the foaming processing was studied.
以淀粉乙二醇糖甙聚醚、多苯基多次甲基多异氰酸酯(PAPI)为主要原料，对聚氨酯硬质泡沫塑料的发泡工艺进行了研究。
The relationships between specific heat of PU rigid foam at low. temperature and such parameters as those of temperature, density and ageing time, etc., have been discussed.
讨论了聚氨酯硬泡沫塑料低温比热与密度、温度以及空气中存放时间等参数的关系。
Products can be used in intumescent coating, PU rigid foam, thermoplastics and UP (unsaturated) resin etc.
所生产的阻燃剂可用于涂料、塑料、热固型树脂、纺织涂层等。
Products can be used in intumescent coating, PU rigid foam, thermoplastics and UP (unsaturated) resin etc.
所生产的阻燃剂可用于涂料、塑料、热固型树脂、纺织涂层等。
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