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Calculation of Intersubstituent Similarity Using R-Group Descriptors.

✍ Scribed by John S. Holliday; Stephen P. Jelfs; Peter Willett; Peter Gedeck


Publisher
John Wiley and Sons
Year
2003
Weight
56 KB
Volume
34
Category
Article
ISSN
0931-7597

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Calculation of relaxation time in polyur
✍ Bruce Hartmann; Gilbert F. Lee; John D. Lee; Jeffry J. Fedderly; Alan E. Berger πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 689 KB

The method of additive properties was used to calculate the dynamic mechanical relaxation time for a series of polyurethanes. Calculations were also made of density and glass transition temperature. Group contributions for nine component groups were determined. With these group values, the densities