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Alcoholysis Reaction of Polyvinyl Acetate and its Stable Control
Author(s): 
Pages: 162-166
Year: Issue:  2
Journal: Oilfield Chemistry

Keyword:  polyvinyl alcoholalcoholys~ reactionalkali/PVAc molar ratioreaction timestable control;
Abstract: 聚乙酸乙烯酯的醇解度显著影响其性能和运用,本文研究了NaOH/PVAc摩尔比、NaOH浓度、PVAc聚合液浓度、反应温度和反应时间对聚乙酸乙烯酯醇解反应的影响。研究结果表明,影响醇解度最重要的因素是彬PYAc摩尔比,其次是反应时间,碱/CPVAc摩尔比和反应时间有协同作用,反应温度是反应中的次要影响因子。结合均匀设计方法,优化PVAc醇解工艺,提出了以控制碱/YCPVAc摩尔比和反应时间达到调控PVA醇解度的稳定控制方法。图8表4参4
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