Emulsion from the oxidation products of natural waxes, having improved barrier properties
AssigneeClariant International Ltd.
InventorsMilena Wundlechner, Simon Bodendorfer, Halil Can Aran, Daniela True
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Abstract
The invention relates to an emulsion from the oxidation products of natural waxes, having improved barrier properties, to a process of producing such an emulsion, and to cellulose fiber articles or biopolymers coated with such an emulsion from the oxidation products of natural waxes. The invention further relates to the use of such an emulsion for coating substrates that contain cellulose fibers or biopolymers.
Claims16
An aqueous natural wax oxidate emulsion for forming a water and/or water vapor barrier layer on a polysaccharide or biopolymer-containing substrate, comprising
- (a) at least one natural wax oxidate having an acid number to hydroxide number ratio of greater than or equal to 1, wherein the natural wax oxidate has a hydroxyl number, measured to DGF M-IV KOH/g, of less than 8 mg KOH/g;
- and
- (b) at least one anionic or nonionic emulsifier.
Dependencies are inferred from the claim text.