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化学工业与工程 2008, Vol. 25 Issue (5) :389-393    DOI:
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双釜连续法合成高固含低粘度聚合物多元醇
刘咏;吕世军;郭睿威;
天津大学化工学院;
High Solid Content and Low Viscosity Polymer Polyols by Two-Reactor Continuous Process
LIU Yong,L Shi-jun,GUO Rui-wei(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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摘要 采用双釜连续法合成了高固含聚合物聚醚多元醇(POP),研究了各种操作因素对聚合物多元醇性能的影响,在最优条件下合成出固含量45%,粘度为4 900 mPa.s(25℃)的聚合物多元醇产品。用动态光散射和扫描电镜研究了不同工艺下POP产品分散相粒子的粒径分布。结果表明采用双釜连续聚合工艺在增加聚合物多元醇产品分散相粒子粒径分布同时,又能增加平均粒径,从而能有效降低高固含聚合物多元醇的粘度。
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刘咏
吕世军
郭睿威
关键词双釜连续   高固含   低粘度   聚合物多元醇     
Abstract: High solid content polymer polyols were synthesized by two-reactor continuous process,and various operation conditions were studied.In this study,POP with 45% solid content and(4 900) mPa·s(25 ℃) viscosity was synthesized by tworeactor continuous process under the most optimized condition.The distribution of diameters of dispersion particles were studied by dynamic light scattering and SEM.The results showed that the broader distribution of diameters was gained by two-reactor continuous process than by batch process,and the mean diameter was higher than that of one-reactor,so the viscosity of POP by two-reactor continuous process was lower.
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Received 2008-09-15; published 2008-09-15
引用本文:   
刘咏;吕世军;郭睿威;.双釜连续法合成高固含低粘度聚合物多元醇[J].  化学工业与工程, 2008,25(5): 389-393
LIU Yong,L Shi-jun,GUO Rui-wei.High Solid Content and Low Viscosity Polymer Polyols by Two-Reactor Continuous Process[J].  Chemcial Industry and Engineering, 2008,25(5): 389-393
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