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POLYURETHAN WEICH CHUM REFERRED FROM POLYTHERPOLYOLS
POLYURETHAN WEICH CHUM REFERRED FROM POLYTHERPOLYOLS
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机译:聚氨酯树脂制成的聚氨酯软垫片
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摘要
Flexible polyurethane foams are produced from a polyisocyanate and a polyether polyol which has been alkoxylated in the presence of a double metal cyanide catalyst and that has at least one ethylene oxide-propylene oxide mixed block.
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