【Key words】 refined alkali lignin； modified alkali lignin； rigid polyurethane foam； mechanical property； aging resistance
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HPGPC was applied to measure M_n, M_w and M_z of the refined alkali lignin and activated alkali lignin, indicating that the polydispersity of activated alkali lignin was less than the refined alkali lignin.
用HPGPC测得精制碱木质素和活化后碱木质素M_n、M_w、M_z,结果表明,活化碱木质素的多分散性小于精制碱木质素的多分散性。
参考来源 - 氧化铜/活性炭（CuO/C）催化还原碱木质素研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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