• 混合制备密封剂的综合性能优于单独采用一种聚醚制成的密封剂。

    The characteristics of sealant which produced by mixed polyether were better than sole polyether.

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  • 混合聚醚多元甲苯二异氰酸酯主要原料环氧树脂羟基丙烯酸树脂为改性合成了湿固化氨酯涂饰剂。

    The moisture cured polyurethane was synthesized with mixing polyether diol, toluene diisocyanate (TDI) as main raw materials, epoxy resin and hydroxy acrylic resin as modifiers.

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  • 硫酸催化作用废料多元醇和甘油组成混合液化剂中液化成多羟基化合物。

    The bamboo residues could be liquefied to be biopolyol in the mixed solvent of polyether alcohol and crude glycerol under the catalysis of concentrated sulfuric acid.

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  • 方法:分别用自动混合聚醚橡胶藻酸钾印模材料制取修复模207、230例,比较印模精确性

    Methods 207 auto-mixed poly rubber impressions and 230 alginate impressions were fabricated for restorations to compare their accuracy.

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  • 目的探讨临床应用自动混合聚醚橡胶制取印模时护理配合技巧

    Objective To explore the technique of the cooperation of nursing in auto-mixed polyether rubber impressions applying.

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  • PEAPEPA聚醚PTMGTDI为原料合成氨酯体,用三异丙醇胺 (TIPA)和1,4-丁二醇(BDO混合作扩链剂制备氨酯弹性体。

    A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).

    youdao

  • PEAPEPA聚醚PTMGTDI为原料合成氨酯体,用三异丙醇胺 (TIPA)和1,4-丁二醇(BDO混合作扩链剂制备氨酯弹性体。

    A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).

    youdao

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