EXAMINATION OF THE INFLUENCE OF THE PHYSICAL-PROPERTIES OF GELATINS ON THEIR GELLING CHARACTERISTICS

Citation
T. Kobayashi et al., EXAMINATION OF THE INFLUENCE OF THE PHYSICAL-PROPERTIES OF GELATINS ON THEIR GELLING CHARACTERISTICS, Journal of Photographic Science, 44(4), 1996, pp. 116-122
Citations number
9
Categorie Soggetti
Photographic Tecnology
ISSN journal
00223638
Volume
44
Issue
4
Year of publication
1996
Pages
116 - 122
Database
ISI
SICI code
0022-3638(1996)44:4<116:EOTIOT>2.0.ZU;2-U
Abstract
In order to study the relationship between the gelling characteristics and tile physical properties of gelatin, five gelatin samples having different properties were prepared by ultrasonic wave irradiation of t he original gelatin. The setting times of these modified gelatins were measured by means of the thermal sensor method. The empirical express ion (1), which was previously obtained from the setting time I (t), th e concentration of the gelatin solution (C) and the cooling temperatur e (T) was applied to study the gelling characteristics of gelatin. t = a .(T/C) + b As a result of studying the relation between the coeffic ients a, b and the physical properties of tile gelatins, it was found that the coefficient a depended on the percentage of high molecular co mponents in file gelatin. If uns clear that the viscosity of the modif ied gelatins irradiated with the ultrasonic wave influenced their gell ing characteristics.