The role of polyoxyethylene triol, rosin polyester polyol and asphalt in asphalt - polyurethane rigid foam was stressed.

重点介绍了聚氧乙烯三醇 、 松香芳烃聚酯多元醇在配方中的作用.

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Traditional polyurethane rigid foam prone to be deformation foam has low temper and intensity.

传统的聚氨酯硬质泡沫塑料容易产生形变,强度和韧度都不太高.

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The progress of the polyurethane rigid foam used in roof trimming of minicar is reviewed.

概述了微型汽车顶内饰用硬质聚氨酯泡沫塑料的状况.

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