Dicyclopentadiene was polymerized by reaction injection molding (RIM) using a catalyst system based on molybdenum (V) chloride and anhydrous aluminum chloride and triethylaluminum. The effect of the reaction temperatu...Dicyclopentadiene was polymerized by reaction injection molding (RIM) using a catalyst system based on molybdenum (V) chloride and anhydrous aluminum chloride and triethylaluminum. The effect of the reaction temperature on the polymer network and the type of the polymerization were discussed.展开更多
混合物料的平均条纹厚度可作为衡量反应注射成型机碰撞式混合器混合效果的定量指标,导出了混合物料离开混合室及其后继流道的平均条纹厚度关联式,δ_0=10^(-5)a(1.361b^4-36.75b^3+501.6b^2-3825.0b+29730.0),δ=integral from a=0 to a...混合物料的平均条纹厚度可作为衡量反应注射成型机碰撞式混合器混合效果的定量指标,导出了混合物料离开混合室及其后继流道的平均条纹厚度关联式,δ_0=10^(-5)a(1.361b^4-36.75b^3+501.6b^2-3825.0b+29730.0),δ=integral from a=0 to aδh(δ)dδ。当2000≤b≤20000时,前者的相对误差小于0.32%。为了获得较小的δ_0和δ值,混合室进料喷嘴直径应小,并适当增大进料组分压力;适当减小后继流道的直径和增大其长度,或在后继流道中设置静态混合器和在其后连接后继混合器。展开更多
文摘Dicyclopentadiene was polymerized by reaction injection molding (RIM) using a catalyst system based on molybdenum (V) chloride and anhydrous aluminum chloride and triethylaluminum. The effect of the reaction temperature on the polymer network and the type of the polymerization were discussed.
文摘混合物料的平均条纹厚度可作为衡量反应注射成型机碰撞式混合器混合效果的定量指标,导出了混合物料离开混合室及其后继流道的平均条纹厚度关联式,δ_0=10^(-5)a(1.361b^4-36.75b^3+501.6b^2-3825.0b+29730.0),δ=integral from a=0 to aδh(δ)dδ。当2000≤b≤20000时,前者的相对误差小于0.32%。为了获得较小的δ_0和δ值,混合室进料喷嘴直径应小,并适当增大进料组分压力;适当减小后继流道的直径和增大其长度,或在后继流道中设置静态混合器和在其后连接后继混合器。