课程名称︰高分子化学 课程性质︰选修 课程教师︰谢国煌 开课学院：工学院 开课系所︰化工系 考试日期（年月日）︰2012.1.12 考试时限（分钟）：120分钟 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 1.Describe the reaction mechanism of the ring-opening polymerization without ring cleavage. (10%) 2.Describe the synthesis the Poly(ethylene oxide) by anionic catalyst(X+Y- or M+OR-). (10%) 3.How to synthesis the Poly(tetramethylene oxide) from tetrahydrofuran in the presence of Lewis acid (PF5) with the traces of water. (10%) 4.How to synthesis the Poly(vinyl alcohol) by side-group modification process. (5%) 5.Describe four advantages for polymer-supported organic reactions. (10%) 6.If you have a photoresist reaction as —(CH2-CH)n— —(CH2-CH)n— 丨 丨 ／＼ hν ／＼ ∣Ｏ∣ －－－→ ∣Ｏ∣ ＼／ –CO ＼／ 丨 丨 O OH 丨 C==0 丨 H How do you use this resist as a positive and as a a negative resist, respectively. (15%) 7.Why can we use the following simple equation to represent the condensation polymerization (5%) O O ╱╲╱╲ + ╱╲╱╲ → ╱╲╱╲∥ ╱ ╲╱╲╱ + H20↗ COOH OH C 8.Describe the rate equation of polyesterification and express its conversion ＿ (P) and degree of polymerization (DP). (10%) 9.Describe the propagation reactions of monomer M1 and M2 and derive the equation for the relationship between the molar fraction ratio in the polymer (f1/f2) and that in reaction mixture (F1/F2). (10%) 10.(a) Describe the reaction mechanism of anionic polymerization and its characteristic during the reaction and final product. (5%) (b) Derive the rate of polymerization to give the [M] as the function of time t. (5%) (c) Derive the average kinetic chain length (ν) and average degree of ＿ polymerization (DP). (5%) --

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