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The new iterative linear least-squares method for calculation of monomer reactivity ratios for the terminal model, proposed by Mao and Huglin, is applied to the penultimate model system with r2 =0. The principle and the calculation procedure are similar for the two different models. All advantages of the new method when applied to the terminal model, i.e. fast convergence, exact calculation and the fact that any initial estimation of reactivity ratios always leads to the same correct results, remain valid when applied to the penultimate model. The superiority of the new method over the Kelen-TiidSs and extended Kelen-Tiid6s procedures is even more evident for the penultimate model than for the terminal model.

Посилання на статтю:

A new linear method to calculate monomer reactivity ratios by using high-conversion copolymerization data: penultimate model with r2 = 0 / Runsheng Mao* and Malcolm B. Huglin // Polymer. – 1994. – Vol 35. – P. 3525-3529.

A new linear method to calculate monomer reactivity ratios by using high-conversion copolymerization data: penultimate model with r2 = 0 - Завантажити.