• 聚合物分子四氢呋喃溶液中的指数为0.14,说明聚合具有支化结构

    The power index was 0.14, which indicated that the polymer had branched molecular structure in dilute solution of tetrahydrofuran.

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  • 四氢硼钠己烷甲苯溶剂中,不易引发丙烯酸第三丁酯的聚合反应,吡啶四氢呋喃中能引发聚合,亦得到非晶态聚合

    NaBH4 in hexane or toluene would not initiate the polymerization unless pyridine or THF was used as solvent, but an amorphous polymer was the product.

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  • 发烟硫酸-高氯酸为催化剂通过四氢呋喃阳离子开环聚合合成了分子量分布的聚四氢呋喃(PTHF)。

    Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.

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  • 发烟硫酸-高氯酸为催化剂通过四氢呋喃阳离子开环聚合合成了分子量分布的聚四氢呋喃(PTHF)。

    Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.

    youdao

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