Stable foam and process for its manufacture

Details Stable foam and process for its manufacture Stable foam and process for its manufacture

A - Human Necessities

23

L

A23L 1/00 (2006.01) A23G 9/20 (2006.01) A23G 9/32 (2006.01) A23G 9/46 (2006.01)

Patent

CA 2655642

A stable foam of a liquid matrix, gas bubbles and a structuring agent that forms a lamellar or vesicular cage structure without generating a gel imparting a rubbery texture to the foam. The lamellar cage structure entraps at least a substantial portion of the gas bubbles and liquid matrix therein to retain and stabilize the gas bubbles and liquid in a sufficiently compact structure that substantially prevents drainage of the liquid matrix as well as coalescence and creaming of the gas bubbles to maintain stability of the foam even when the foam is subjected to multiple heat shocks.

La présente invention concerne une mousse stable se composant d'une matrice liquide, de bulles de gaz et d'un agent structurant qui forme une structure en cage lamellaire ou vésiculaire sans générer de gel conférant une texture caoutchouteuse à la mousse. La structure en cage lamellaire/vésiculaire piège une grande partie au moins des bulles et de la matrice liquide afin de retenir et de stabiliser les bulles de gaz et la matrice liquide en une configuration suffisamment dense pour pouvoir empêcher sensiblement le drainage de la matrice liquide, ainsi que la coalescence et le crémage des bulles en vue de maintenir la stabilité de la mousse et ce, même lorsque cette dernière est soumise à de multiples chocs thermiques.

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