采用２－乙烯吡啶－丁烯酮共聚物为配体，与四羰基二氯二铑形成顺二羰基铑（Ⅰ）配合物（ＰＹＢＲｈ），用于催化甲醇羰基化制备乙酸和乙酸酐的反应动力学研究．结果表明，其对反应物甲醇和一氧化碳均为零级反应，在一定范围内，对高分子铑催化剂及助催化剂碘甲烷均为一级反应，极性溶剂的加入可以提高甲醇羰基化速度。通过实验结果计算了其反应活化能，活化熵和热焓。研究证明其反应机理与小分子能催化剂相似。 The 2-vinylpyridine-butene copolymer was used as a ligand to form cis-dicarbonyl rhodium (Ⅰ) complex with tetracarbonyl dichlorodrhodium (PYBRh). The reaction kinetics was used to catalyze the carbonylation of methanol to acetic acid and acetic anhydride Study. The results showed that both reactant methanol and carbon monoxide all have zero-order reaction, and within a certain range, they are the first-order reaction for the rhodium catalyst and the promoter methyl iodide. The addition of polar solvent can increase the methanol carbonylation rate. The reaction activation energy, activation entropy and enthalpy were calculated from the experimental results. Studies have shown that its reaction mechanism and small molecule catalyst similar.