ANALYSIS OF PVC SLURRIES DRYING BY THERMOGRAVIMETRY

机译：重量分析法测定PVC浆料的干燥

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A thermogravimetry analysis (TGA) was carried out to characterize the drying rates of different PVC (polyvinyl chloride) slurries containing beads with variable inner porosities.For all PVC grades we observe three stages of the water drying rates,which we ascribe to different types of water: free water in the slurry,water at the beads surface and water inside the pores.The different PVC grades show marked differences of the drying times of their inner pores.We analyze this result by comparing our results with numerical simulations of the drying rates in model pore systems with linear and curvilinear channels.The contribution of the physical chemical properties at the beads surface is also discussed.

机译：进行了热重分析（TGA），以表征内部孔隙度可变的不同珠粒的不同PVC（聚氯乙烯）浆料的干燥速率。对于所有PVC等级，我们观察到三个阶段的水干燥速率，这归因于不同类型的水：浆液中的游离水，珠粒表面的水和孔内的水。不同的PVC等级显示其内部孔的干燥时间存在明显差异。在具有线性和曲线通道的模型孔系统中，还讨论了珠表面的物理化学性质的贡献。

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来源
《The 18th international drying symposium》|2012年|1-4|共4页
会议地点 Xiamen(CN)
作者
P.Agaciak; S.Yahiaoui; M.Djabourov; T.Lasuye; M.Branly;
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作者单位

Thermal Physics Laboratory,ESPCI- ParisTech.10 rue Vauquelin Paris Cedex 5,75231 France;

Thermal Physics Laboratory,ESPCI- ParisTech.10 rue Vauquelin Paris Cedex 5,75231 France;

Thermal Physics Laboratory,ESPCI- ParisTech.10 rue Vauquelin Paris Cedex 5,75231 France;

IneosChlorVinyls Chemin des soldats,Mazingarbe,62670,France;

IneosChlorVinyls Chemin des soldats,Mazingarbe,62670,France;

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会议组织
原文格式 PDF
正文语种 eng
中图分类空气处理;
关键词
PVC beads; drying; internal porosity; TGA; numerical simulation model pores;

机译：PVC珠;干燥;内部孔隙率; TGA;数值模拟;

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ANALYSIS OF PVC SLURRIES DRYING BY THERMOGRAVIMETRY

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