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。

youdao

The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are introduced.

介绍了合成硬质聚氨酯泡沫塑料的主要原料，包括主体成分和发泡剂、泡沫稳定剂等；

youdao

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。

youdao