This paper investigated piezoelectricity of the gelatin gel. Polarized infrared and thermal stimulated current experiments provided the proof of the origin of the piezoelectricityoriented dipoles. Effects of crosslinking, ionic strength, and stress on piezoelectricity were discussed as well. We foun
Study of gelatin gels and the effect of urea on their formation
โ Scribed by Alina S. Szczesniak; Robert V. MacAllister
- Publisher
- John Wiley and Sons
- Year
- 1964
- Tongue
- English
- Weight
- 579 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0021-8995
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๐ SIMILAR VOLUMES
Complex gelatin-alginate gels prepared from insoluble (type I) and soluble (type 11) complexes are studied by the therniomechanical technique and by polarimetry. Gels of both types are thermoirreversible at concentrations higher than 6% and at weight fractions of alginate of 0.3 or higher. Suppressi
Urea-containing polyurethane reaction systems, based on ethylene oxide-capped poly(propy1ene oxide) polyether diol, 1,4-butyldiol, uretonimine liquefied 4,4'-diphenylmethane diisocyanate, and a biurea compound, were used to investigate the effect of urea groups on polyurethane bulk polymerization by