• Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.

    乙醚溶液制得聚苯乙烯甲基甲基丙烯酸甲酯反应不能分离出聚甲基丙烯酸甲酯及它的接共聚物。

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  • The invention discloses side difluoro methylene ether bridged bond paired-end alkyl terphenyl, a preparation method and application thereof.

    发明公开了侧向二氟亚甲基双末端烷基三联苯及其制备方法与应用。

    youdao

  • The invention discloses side difluoro methylene ether bridged bond paired-end alkyl terphenyl, a preparation method and application thereof.

    发明公开了侧向二氟亚甲基双末端烷基三联苯及其制备方法与应用。

    youdao

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