... 泡沫聚氨酯 Foam polystyrene 硬泡沫氨基甲酸乙酯 Rigid foam urethane 硬泡沫橡胶 Rigid foam rubber ...
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rigid urethane foam 硬氨酯泡沫塑料
A number of polyester modified rosin with foam formulations have been utilized to prepare rigid urethane foams.
若干聚酯改性松香及其泡沫配方已用于制备硬质尿烷泡沫。
Because of the stable methyl glucoside cyclical structure in its polyether, its rigid urethane foam is excellent in comprehensive performance with wide prospect of use.
由于甲甙聚醚中有甲基葡萄糖甙稳定的环状结构，因此由其合成的聚氨酯硬质泡沫塑料综合性能优异，应用前景广阔。
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