本体聚合苯乙烯系列树脂脱挥技术分析

Analysis on devolatilization technology in bulk polymerization processes for styrenic resins

分析了本体聚合生产苯乙烯系列树脂脱挥过程的特点和专利技术发展趋势。在分析强化脱挥原理的基础上，认为国产化脱挥技术的发展方向是二级脱挥，并配以辅助流体法。

Specialities of the devolatilization processes and related techniques for the purification of styrenic resins in bulk polymerization operations were analyzed, and the development trend of devolatilization technology was discussed. It was concluded that the devolatilization operation in two stages, assisted by some inert fluids, was preferred to others in one stage or more than two stages for the production processes of styrenic resins in bulk polymerization ways, based on the theoretical analysis to the principles and to the patents in enhancing devolatilization.