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首页> 外文期刊>Journal of Applied Polymer Science >Continuous emulsion polymerization of vinyl acetate. I. Operation in a single continuous stirred tank reactor using sodium lauryl sulfate as emulsifier
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Continuous emulsion polymerization of vinyl acetate. I. Operation in a single continuous stirred tank reactor using sodium lauryl sulfate as emulsifier

机译：醋酸乙烯酯的连续乳液聚合。 I.使用十二烷基硫酸钠作为乳化剂的单个连续搅拌釜反应器中的操作

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摘要

Continuous emulsion polymerizations of vinyl acetate were carried out at 50 C in a single continuous stirred-tank reactor using sodium lauryl sulfate as emulsifier and potassium persulfate as initiator. It was found that (1) the so-called limit cycles could take place in monomer conversion, the number of polymer particles and the molecular weight of polymers produced under certain operating conditions, (2) the time-average steady-state monomer conversion was proportional to the 0.31 power of the emulsifier concentration in the feed, to the 0.50 power of the initiator concentration, to the -1.0 power of the monomer concentration, and to the 0.90 power of the mean residence time, and (3) the time-average steady-state number of polymer particles produced was proportional to the 2.1 power of the emulsifier concentration in the feed, to the -0.80 power of the initiator concentration, to the 0 power of the monomer concentration, and to the -0.92 power of mean residence time. (C) 2002 Wiley Periodicals, Inc. [References: 19]
机译：乙酸乙烯酯的连续乳液聚合是在一个连续的搅拌釜式反应器中于50℃下进行的，其中使用月桂基硫酸钠作为乳化剂，过硫酸钾作为引发剂。发现（1）所谓的极限循环可能发生在某些操作条件下的单体转化率，聚合物颗粒的数量和所产生的聚合物的分子量，（2）时间平均稳态单体转化率是与进料中乳化剂浓度的0.31次幂，引发剂浓度的0.50次幂，单体浓度的-1.0次幂，平均停留时间的0.90次幂成正比，以及（3）时间-产生的聚合物颗粒的平均稳态数量与进料中乳化剂浓度的2.1幂，引发剂浓度的-0.80幂，单体浓度的0幂以及均值的-0.92幂成比例停留时间。 （C）2002 Wiley Periodicals，Inc. [参考：19]

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