• Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.

    通过大分子反应,合成了一类主链带羧基、磺酸基,支链带聚氧乙烯基醚的聚羧酸系高效减水剂。

    youdao

  • The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.

    本发明茼蒿素类化合物及其合成方法与应用,该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。

    youdao

  • The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.

    本发明茼蒿素类化合物及其合成方法与应用,该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。

    youdao

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