low odor reactive catalyst for automotive interior flexible polyurethane foam contents introduction 1.1 background and significance 1.2 challenges of traditional catalysts 1.3 benefits of low odor reactive catalysts mechanism of polyurethane foam formation 2.1 polyol-isocyanate reaction 2.2 blowing reaction 2.3 catalytic role characteristics of low odor reactive catalysts 3.1 chemical structure and composition 3.2 reactivity...