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。
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。
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