Viscosity stable concentrated liquid fabric softener...

Details Viscosity stable concentrated liquid fabric softener... Viscosity stable concentrated liquid fabric softener...

D - Textiles, Paper

06

M

D06M 13/325 (2006.01) C11D 1/645 (2006.01) C11D 3/00 (2006.01) C11D 1/62 (2006.01)

Patent

CA 2179007

Viscosity stable, concentrated, aqueous, liquid fabric softening compositions contain a mixture of biodegradable diester quaternary ammonium softening materials and specific co-active fabric softening materials which include substituted imidazoline compounds and specific quaternary ammonium salts. The compositions have superior stability at both normal and lower temperatures. The best process for preparing such compositions uses a molten premix of the fabric softening materials which is dispersed in an aqueous phase through the use of high shear milling.

L'invention concerne des compositions assouplissantes liquides, aqueuses et concentrées, de viscosité stable, pour tissus qui contiennent un mélange de substances assouplissantes à base d'ammonium quaternaire diester biodégradable et de substances assouplissantes spécifiques coactives, qui comprennent des composés d'imidazoline substitués et des sels d'ammonium quaternaire spécifiques. Ces compositions présentent une stabilité supérieure à la fois à des températures normales et à des températures plus basses. Le procédé le mieux adapté à la préparation de ce type de compositions fait appel à un prémélange fondu de substances assouplissantes, dispersé en une phase aqueuse par broyage à cisaillement élevé.

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