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SPREADSHEETS IN COPOLYMERIZATION STUDIES

机译:共聚研究中的电子表格

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A Lotus spreadsheet (LS) was utilized as part of a copolymerization study of methyl methacrylate (MMA) with N-phenylmaleimide (MP) and with some derivatives of MP, namely N-o-chlorophenylmaleimide (MOCP), N-p-tolylmaleimide (MPT), and N-o-tolylmaleimide (MOT). The use of LS provided a very rapid method to obtain values of copolymerization parameters which were in very good agreement with non-spreadsheet reported values. Further, a novel LS macro was developed which could be employed to ascertain the shape of the copolymer composition curve (copolymer composition as a function of monomer composition). Monomer reactivity ratios, r(1) and r(2), were determined as well as values of semi-empirical copolymerization parameters Q and e. An attempt was made to correlate the monomer structures used with the values of Q and e. An empirical decomposition temperature index (DTI) was also devised to measure the thermal stability of copolymers of MMA and MP as a function MP content. (C) 1997 John Wiley & Sons, Inc. [References: 20]
机译:使用Lotus电子表格(LS)作为甲基丙烯酸甲酯(MMA)与N-苯基马来酰亚胺(MP)以及MP的某些衍生物(即无氯苯基马来酰亚胺(MOCP),Np-甲苯基马来酰亚胺(MPT)和无甲苯基马来酰亚胺(MOT)。 LS的使用提供了一种非常快速的方法来获得与非电子表格报告的值非常吻合的共聚参数值。此外,开发了可用于确定共聚物组成曲线的形状(共聚物组成与单体组成的函数)的新型LS宏。确定了单体反应率r(1)和r(2)以及半经验共聚参数Q和e的值。试图使所用的单体结构与Q和e的值相关。还设计了经验分解温度指数(DTI)以测量MMA和MP共聚物作为MP含量的函数的热稳定性。 (C)1997 John Wiley&Sons,Inc. [参考:20]

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