DIFFUSION OF BUTANEDIOL IN POLY(BUTYLENE TEREPHTHALATE) (PBT) MELT AND ANALYSIS OF PBT POLYMERIZATION REACTOR WITH SURFACE RENEWAL
A reactor with surface renewal, originally designed for poly(ethylene terephthalate) (PET) polymerization, was applied for poly(butylene terephthalate) (PET) polymerization. A comprehensive model including side reactions was developed and compared with the experimental results. The diffusivity of butanediol (ED) in PET melt was measured separately by desorption experiments (D-b = 1.08 X 10(6) exp(-32600/RT) (m(2)/min)). Optimum operating temperature for PET polymerization was found to be around 250 degrees C in order to avoid degradation.
- Publisher
- SOC PLASTICS ENG INC
- Issue Date
- 1995-04
- Language
- English
- Article Type
- Article
- Keywords
ETHYLENE-GLYCOL; POLY(ETHYLENE-TEREPHTHALATE); POLYCONDENSATION; KINETICS
- Citation
POLYMER ENGINEERING AND SCIENCE , v.35, no.8, pp.703 - 708
- ISSN
- 0032-3888
- Appears in Collection
- CBE-Journal Papers(저널논문)
- Files in This Item
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