Low-viscosity opacifiers free from anionic surface-active agents
The invention relates to wax-based opacifier preparations containing (a) at least one amphoteric surfactant, (b) at least one fatty acid partial glyceride, (c) at least one fatty acid polyglycol ester and optionally (d) a polyol, with the proviso that the ratio by weight of (a) to (b) is between 10:1 and 4:1 and the ratio by weight of (b) to (c) is between 1:1 and 5:1 and the preparations are free from anionic surfactants.
1 - 13 . (cancelled).
14 . An opacifier composition comprising:
(a) an amphoteric surfactant;
(b) a fatty acid partial glyceride;
(c) a fatty acid polyglycol ester;
(d) a wax component; and
(e) optionally, up to about 10% by weight of a polyol, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 10:1 to 4:1, and (b) and (c) are present in the composition in a ratio by weight of from about 1:1 to 5:1.
15 . The composition of claim 14 wherein (a) and (b) are present in the composition in a ratio by weight of from about 7:1 to 5:1, and (b) and (c) are present in the composition in a ratio by weight of from about 2:1 to 4:1.
16 . The composition of claim 14 wherein (a) is present in the composition in an amount of from about 1 to 25% by weight, based on the weight of the composition.
17 . The composition of claim 14 wherein (b) is present in the composition in an amount of from about 0.1 to 6% by weight, based on the weight of the composition.
18 . The composition of claim 14 wherein (c) is present in the composition in an amount of from about 0.1 to 6% by weight, based on the weight of the composition.
19 . The composition of claim 14 wherein (d) is present in the composition in an amount of from about 10 to 35% by weight, based on the weight of the composition.
20 . The composition of claim 14 wherein the composition has a solids content of from about 20 to 50% by weight, based on the weight of the composition.
21 . The composition of claim 14 wherein the composition has a viscosity of from about 2,000 to 6,000 mPas.
22 . The composition of claim 14 wherein the composition has a particle size distribution such that at least 85% of the particles contained therein have a diameter of less than 15 μm.
23 . The composition of claim 14 wherein particles present in the composition have a mean particle diameter of less than 12 μm.
24 . A process for making an opaque composition comprising:
(a) providing an amphoteric surfactant;
(b) providing a fatty acid partial glyceride;
(c) providing a fatty acid polyglycol ester;
(d) providing a wax component;
(e) providing, optionally, up to about 10% by weight of a polyol; and
(f) mixing (a)-(e) to form the composition, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 10:1 to 4:1, and (b) and (c) are present in the composition in a ratio by weight of from about 1:1 to 5:1.
25 . The process of claim 24 wherein (a) and (b) are present in the composition in a ratio by weight of from about 7:1 to 5:1, and (b) and (c) are present in the composition in a ratio by weight of from about 2:1 to 4:1.
26 . The process of claim 24 wherein (a) is present in the composition in an amount of from about 1 to 25% by weight, based on the weight of the composition.
27 . The process of claim 24 wherein (b) is present in the composition in an amount of from about 0.1 to 6% by weight, based on the weight of the composition.
28 . The process of claim 24 wherein (c) is present in the composition in an amount of from about 0.1 to 6% by weight, based on the weight of the composition.
29 . The process of claim 24 wherein (d) is present in the composition in an amount of from about 10 to 35% by weight, based on the weight of the composition.
30 . The process of claim 24 wherein the composition has a solids content of from about 20 to 50% by weight, based on the weight of the composition.
31 . The process of claim 24 wherein the composition has a viscosity of from about 2,000 to 6,000 mpas.
32 . The process of claim 24 wherein the composition has a particle size distribution such that at least 85% of the particles contained therein have a diameter of less than 15 μm.
33 . The process of claim 24 wherein particles present in the composition have a mean particle diameter of less than 12 μm.