Aqueous wax emulsions and dispersions and uses thereof
AssigneeWalker Industries Holdings Limited
InventorsNiels Mathieu Barbara Smeets, Laurence Anthony Sinnige, Azadeh Joshani, Hyungseak Kim
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Abstract
An aqueous wax emulsion or dispersion comprising, wax, water and an emulsifier wherein the emulsifier comprises purified kraft lignin and a water-soluble base. A process for preparing said aqueous wax dispersions and their use.
Claims20
A method of manufacturing a composite wood panel comprising the steps of (i) resinating lignocellulosic material in the presence of an adhesive resin and an aqueous wax emulsion or dispersion, (ii) forming the resinated lignocellulosic material containing adhesive and aqueous wax dispersion, and (iii) consolidating the formed lignocellulosic material using pressure and temperature;
- wherein the aqueous wax emulsion or dispersion comprises:
- wax;
- water;
- and
- an emulsifier, wherein the emulsifier comprises lignin and a water-soluble base;
- and wherein
- the water-soluble base is present in an amount sufficient to dissolve the lignin.
Dependencies are inferred from the claim text.