Hybrid dispersion and use thereof
The invention relates to a dispersion comprising a dispersion medium (phase I) and a disperse liquid phase II, the dispersion being characterized in that both phases I and II comprise a further dispersed phase III and this dispersed phase III comprises a release-active agent; to a process for preparing the dispersion, and to the use as or for the production of paints, inks, polymer dispersions and release agents.
1. A dispersion comprising a dispersion medium (phase I) and a disperse liquid phase II, wherein both phases I and II comprise a further dispersed phase III and this dispersed phase III comprises a release-active agent, wherein phase III has a fraction in phase II of from 5 to 20 wt %, based on the sum of phase II and phase III, wherein the dispersion has 3 phases following separation by centrifuging, these phases being discernible as phases having different transmittances (T).
2. The dispersion according to claim 1 , wherein the two phases I and II at room temperature are soluble in one another to an extent of not more than 0.5 wt %, based on the respective other phase.
3. The dispersion according to claim 1 , wherein phase I and phase II have mass and phase I to phase II have a mass ratio of from 0.1:100 to 100:0.1.
4. The dispersion according to claim 1 , wherein phase II consists of water to an extent of more than 55 wt %.
5. The dispersion according to claim 1 , wherein phase I consists of a hydrocarbon or hydrocarbon mixture to an extent of more than 75 wt %.
6. The dispersion according to claim 1 , wherein phase III has a fraction in phase I of from 0.1 to 20 wt %, based on the sum of phase I and phase III.
7. The dispersion according to claim 1 , wherein said release-active agent in phase III comprises one or more microwaxes, polyethylene waxes and/or ethoxylated polyethylene waxes.
8. A process for preparing a dispersion according to claim 1 , wherein a phase I and a phase II are provided, a release-active agent is dispersed as phase III into both of phases I and II, and subsequently phases I and II are mixed with one another.
9. The process according to claim 8 , wherein the two phases I and II at room temperature are soluble in one another to an extent of not more than 0.5 wt %, based on the respective other phase.
10. The process according to claim 8 , wherein a molten wax is used as release-active agent.
11. A product comprising the dispersion according to claim 1 wherein the product is selected from the group consisting of paints, inks, polymer dispersions and release agents.
12. The dispersion according to claim 2 , wherein phase I and phase II have mass and phase I to phase II have a mass ratio of from 0.1:100 to 100:0.1.
13. The dispersion according to claim 2 , wherein phase II consists of water to an extent of more than 55 wt %.
14. The dispersion according to claim 2 , wherein phase I consists of a hydrocarbon or hydrocarbon mixture to an extent of more than 75 wt %.
15. The dispersion according to claim 1 , wherein phase III has a fraction in phase I of from 1 to 7.5 wt %, based on the sum of phase I and phase III.
16. The dispersion according to claim 2 , wherein phase III has a fraction in phase I of from 1 to 7.5 wt %, based on the sum of phase I and phase III.
17. The dispersion according to claim 1 , wherein said release-active agent in phase III comprises one or more microwaxes and/or ethoxylated polyethylene waxes.