A New Analytical Solution of the Binary Copolymer Composition Equation and Suggested Procedure for Deriving the Monomer Reactivity Ratios
A New Analytical Solution of the Binary Copolymer Composition Equation and Suggested Procedure for Deriving the Monomer Reactivity Ratios
复制标题
二元共聚物组成方程的新解析解和推导单体反应性比的建议程序
DOI：
10.1080/00222337108061112
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发表时间：
1971
期刊：
影响因子：
--
通讯作者：
S. G. Joshi
中科院分区：
文献类型：
--
作者：
R. M. Joshi;S. G. Joshi
摘要本文提出了一种绝对分析方法，用于获得微分、二元、共聚物组成方程的参数，建立了一个最小二乘条件，使Mayo-Lewis图的所有实验线的权重相等。Agron等人研究的甲基丙烯酸乙酯（M1）-偏二氯乙烯（M2）体系的单体竞聚率值，r1 = 2.052 ± 0.043，r2 = 0.346 ± 0.052。这些值，特别是r1，从Agron等人的估计不同。新的解决方案，但是，似乎产生的最大似然估计的竞聚率的基础上给定的实验数据。
Abstract An absolute analytical procedure is found for obtaining the parameters of the differential, binary, copolymer composition equation, setting up a least-squares condition that places equal weight on all experimental lines of the Mayo-Lewis plot. The values of monomer reactivity ratios for the system ethyl methacrylate (M1-vinylidene chloride (M2), studied by Agron et al., are r1 = 2.052 ± 0.043 and r2 = 0.346 ± 0.052. These values, especially r1, differ from the estimates by Agron et al. The new solution, however, appears to yield the estimate of maximum likelihood for the reactivity ratios based on the given experimental data.