| 从特性粘数和GPC图谱获得重均分子量的新方法 |
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| 引用本文： | 张兆谟,杨国钧.从特性粘数和GPC图谱获得重均分子量的新方法[J].高分子学报,1987,0(3):196-200. |
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| 作者姓名： | 张兆谟 杨国钧 |
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| 作者单位： | 中国科学院长春应用化学研究所 长春
(张兆谟)，中国科学院长春应用化学研究所 长春(杨国钧) |
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| 摘 要： | 本文提出了从未知样品的特性粘数和GPC图谱计算重均分子量的新方法,该方法可用于计算窄分布和宽分布的未知Mark-Houwink 常数的样品的重均分子量。用七个不同分子量和不同分布的实例验证了所提出的方法。结果与已知Mark-Houwink常数用普适校准法得到的结果一致。
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| 关 键 词： | 凝胶渗透色谱(GPC) 重均分子量 特性粘数 GPC图谱计算 |
| 收稿时间： | 1985-01-22 |
A NOVEL METHOD FOR ESTIMATION OF WEIGHT-AVERAGE MOLOCULAR WEIGHT FROM THE INTRINSIC VISCOSITY AND GPC CHROMATOGRAM OF POLYMER SAMPLE |
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| ZHANG Zhao-mu,YANG Guo-jun.A NOVEL METHOD FOR ESTIMATION OF WEIGHT-AVERAGE MOLOCULAR WEIGHT FROM THE INTRINSIC VISCOSITY AND GPC CHROMATOGRAM OF POLYMER SAMPLE[J].Acta Polymerica Sinica,1987,0(3):196-200. |
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| Authors: | ZHANG Zhao-mu YANG Guo-jun |
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| Institution: | Changchum Institute of Applied Chemistry; Acadcmia Sinica; Changchum |
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| Abstract: | In this paper a new method for estimation of weight average molecular weight of polymer from mere intrinsic viscosity and GPC chromatogram of the sample was proposed. The method can be applied to narrow as well as broad distribution sample of polymers for which the constants of Mark Houwink equation are unknown. The metnod was tested using seven samples which have very different molecular weight distribution. The results calculated by the method are in excellent agreement with those obtained using universal calibration method which requires, known constants of Mark-Houwink equation. |
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| Keywords: | GPC Average molecular (wt) Intrinsic viscosity Calculation GPC chro-matograms |
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