Determination of Crystallinity and Morphology of Fibrous and Bulk Poly(ethylene terephthalate) by Near-Infrared Diffuse Reflectance Spectroscopy
β Scribed by Miller, Charles E.; Eichinger, B. E.
- Book ID
- 115361225
- Publisher
- Society for Applied Spectroscopy
- Year
- 1990
- Tongue
- English
- Weight
- 983 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0003-7028
No coin nor oath required. For personal study only.
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## Abstract Near infrared (NIR) reflectance spectra recorded from poly(ethylene terephthalate) (PET) chips contain a sufficient amount of information to estimate the number of carboxylic end groups and the relative viscosity. To obtain reliable results, careful attention has to be paid to the calib
## Abstract Near infrared (NIR) transmission spectra recorded from poly(ethylene trerephthalate) (PET) melt contain a sufficient amount of information to estimate the number of carboxylic end groups and the relative viscosity. Inβline monitoring of these quality parameters is feasible.