Solid-suspending systems

Details Solid-suspending systems Solid-suspending systems

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) A01N 25/04 (2006.01) A01N 25/30 (2006.01) A61K 8/04 (2006.01) A61K 9/10 (2006.01) C09D 7/02 (2006.01) C09D 11/00 (2006.01) C09D 17/00 (2006.01) C10M 171/00 (2006.01) C11D 1/02 (2006.01) C11D 1/38 (2006.01) C11D 3/00 (2006.01) C11D 17/04 (2006.01) H01F 1/44 (2006.01)

Patent

CA 2417780

Structured surfactant systems with solid suspending properties comprise a substantially non-aqueous liquid continuous phase and a structuring surfactant capable of forming an L.alpha. phase in said continuous liquid phase at a concentration between 10 and 20% by weight solid surfactant preferably comprising at least two hydrophobic C7-30 aliphatic groups per molecule, said groups preferably comprising bent chain groups such as cis monounsaturated alkenyl e.g. erucyl or singly branched alkyl e.g. isopalmityl.

La présente invention concerne des systèmes tensioactifs présentant des propriétés de mise en suspension de corps solides. Ces systèmes comprennent une phase continue liquide sensiblement non aqueuse et un tensioactif structurant capable de former une phase L.alpha. dans cette phase liquide continue à une concentration entre 10% et 20% en masse, le tensioactif solide comprenant de préférence au moins de groupes aliphatiques en C¿7?-C¿30? par molécule, lesquels groupes comprennent de préférence des groupes en chaîne courbe, et notamment des alcényles cis-monoinsaturés tels que l'érucyle, ou des alkyles à ramification unique tels que l'isopalmityle.

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