本方法用璃玻纤维滤膜(GF)和聚氨酯泡沫塑料(PUF)采集焦炉逸散物中多环芳烃(PAH)。

A method for determination of PAH in coke oven emission is described. PAH aerosol were collected by glass fibre filter (GF) and polyurethane foam filter (PUF) simultaneously.

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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。

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.

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本发明提供多异氰酸酯组合物及使用其的硬质聚氨酯泡沫 的制造方法。

The invention provides an isocyanate composite and a preparation method for scleroid polyurethane foam using the same.

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