A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
A45D 33/34 (2006.01) C08J 9/28 (2006.01) A61K 7/48 (1995.01)
Patent
CA 2115592
A spongy material is produced by the steps of suspending a suitable quantity of finely divided particles of a thermoreversible gel in an aqueous solution of glucomannan-rich flour, adding an alkali to the suspension, allowing the suspension to gel, freezing the gelled suspension, thawing and leaching the same with hot water while leaving a skeleton of a water-insoluble, thermally irreversible gel matrix. After drying, a spongy material having a relatively uniform cellular texture and a pleasant touch feeling to the skin is obtained.
Une matière spongieuse est obtenue en suivant les étapes suivantes : on met en suspension une quantité appropriée de particules finement divisées d'un gel thermoréversible dans une solution aqueuse de farine riche en glucomannane, on ajoute un alcali à la suspension, on laisse la suspension se gélifier, on congèle la suspension gélifiée, on laisse dégeler et on lixivie la suspension avec de l'eau chaude tout en laissant un squelette de matrice en gel non hydrosoluble et thermiquement irréversible. Après le séchage, une matière spongieuse ayant une texture cellulaire relativement uniforme et provoquant une sensation agréable au toucher est obtenue.
G. Ronald Bell & Associates
Shimizu Chemical Corporation
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