C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 9/00 (2006.01) C11D 9/10 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2609789
The invention relates to novel bar compositions comprising: (a) 40 to 80% by wt. fatty acid soap, wherein the level of soap exceeds the level of synthetic surfactant, if any; (b) 0 to 30% structurant; (c) 5 to 20% water,- wherein 8 to 60% of the bar comprises a complex formed from the interaction of soluble soap and multivalent ion; wherein the composition comprises less than 2% builder; and wherein the composition is substantially enzyme free. The insoluble complexes permit greater solid contents which counter intuitively, enhance lather (i.e., even if soluble soap is complexed, it is believed more can be used) . Further, the complexes enhance rate of wear, hardness, mildness and deposition. The invention further comprises process for enhancing benefits by adding multivalent ions to soap stock during processing.
La présente invention concerne de nouvelles composition de pains de savon comprenant en masse: (a) 40 à 80 % de savon d'acide gras, le savon étant majoritaire par rapport au tensioactif synthétique éventuel; (b) 0 à 30 % de structurant; et (c) 5 à 20 % d'eau. Le pain est constitué pour 8 à 60 % d'un complexe issu de l'interaction entre savon soluble et ion multivalent. La composition, qui comprend moins de 2 % d'adjuvant, est sensiblement exempte d'enzymes. Les complexes permettent une plus grande teneur en solides, ce qui a un effet psychologique car ça renforce l'effet moussant, même si du savon liquide est mis en complexe, on a l'impression qu'on peut en employer plus. En outre, les complexes renforcent la vitesse d'usure, le dureté, la douceur et le dépôt. L'invention concerne également un traitement renforçant les qualités par adjonction d'ions multivalents au pain de savon pendant le traitement.
Shah Pravin
Subramanian Vivek
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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