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Abstract

This invention relates to a stable aqueous wax dispersion comprising

A) from 5 to 65% by weight of micronized wax, the wax comprising an amide wax, polyethylene wax, modified polyethylene wax, polyethylene/amide wax, polyethylene/polytetrafluroethylene (PTFE) wax, polypropylene wax, modified polypropylene wax, polyethylene/polypropylene wax, polytetrafluroethylene (PTFE) wax or copolymers thereof or any mixture thereof having a mean particle size of from 1 to 100 μm and an acid number of less then 10 mg of KOH/g of wax andB) 0.5 to 20% by weight of a thickening/dispersing agent, comprising of a alkali swellable acrylic polymers (ASE) or a hydrophobically modified alkali swellable emulsion (HASE) or a hydrophobically modified ethoxylated urethane (HEUR) or a polymer containing both a high molecular weight acrylic copolymer moiety and a hydrophobically modified ethoxylated urethane as a thickening/dispersing agent or mixtures thereofC) 0 to 5% by weight of a water soluble base as a neutralizing agentD) 0 to 5% by weight of a surface active/dispersant agentE) 0 to 40% by weight of a polymeric binder or polymeric bindersF) 0 to 5% by weight smectic clay thickening agent(s).

First Claim