• The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.

    聚苯乙烯(WPS)泡沫原料,采用硫酸和发硫酸两种磺化方法制备性能良好水剂。

    youdao

  • The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.

    聚苯乙烯(WPS)泡沫原料,采用硫酸和发硫酸两种磺化方法制备性能良好水剂。

    youdao

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