Polyethylene wax dispersants

Basophob . [BASF AG] Aq. paraffin or polyethylene wax dispersions, sol ns. of fatty acid derivs. hydrophobic agents for internal or surface treatment of paints, mortars, concrete, and paper. 

Chem. Descrip. Aq. parattin or polyethylene wax dispersions, sol ns. of fatty acid derivs. 

Chem. Descrip. Oxidiz polyethylene wax dispersed in xylene Uses Rheology control agent, antisagging agent, antisettling agent for coatings... 

Critical to formulating a successful metallic basecoat is the selection of aluminium paste. In general the larger the particle size of the flake, the better the lustre. A polyethylene wax dispersion is also incorporated into the formulation to aid metal control and lustre. The binder in solvent based systems is a durable saturated polyester cured with a melamine formaldehyde resin and modified with CAB, to assist in film setting and hardness. 

A classification by chemical type is given ia Table 1. It does not attempt to be either rigorous or complete. Clearly, some materials could appear ia more than one of these classifications, eg, polyethylene waxes [9002-88 ] can be classified ia both synthetic waxes and polyolefins, and fiuorosihcones ia sihcones and fiuoropolymers. The broad classes of release materials available are given ia the chemical class column, the principal types ia the chemical subdivision column, and one or two important selections ia the specific examples column. Many commercial products are difficult to place ia any classification scheme. Some are of proprietary composition and many are mixtures. For example, metallic soaps are often used ia combination with hydrocarbon waxes to produce finely dispersed suspensions. Many products also contain formulating aids such as solvents, emulsifiers, and biocides. 

Functional polyethylene waxes provide both the physical properties obtained by the high molecular weight polyethylene wax and the chemical properties of an oxidised product, or one derived from a fatty alcohol or acid. The functional groups improve adhesion to polar substrates, compatibHity with polar materials, and dispersibHity into water. Uses include additives for inks and coatings, pigment dispersions, plastics, cosmetics, toners, and adhesives. 

The purely mechanical dispersion of the agglomerates can be assisted by the addition of dispersion aids (e.g., amide, polypropylene or polyethylene waxes, metal carboxilates, organic fatty acids and their esters), which wet the particle surfaces, thus reducing the interaction between them (see Fig. 4.14 and Chapter 9) [19]. This significantly lowers the shear stresses required to disperse the agglomerates. 

Vesto-Wax. [AstorWax] Synthetic polyethylene wax to m release compounds, solv. and Uq. pdishes, sdid wax compds., hot-rndts, automobile rusquoofing coinpds., sOlv.-dispersed agric. coatings. 

Polyethylenes of lower molecular mass are added as slip and matting agents to paints and printing inks and can also produce dirt-repellent and abrasion-resistant effects. The wax dispersions are produced by hot dissolution and precipitation in aromatic hydrocarbons. This is not necessary with commercial microcrystalline grades. Aqueous dispersions of polyethylene are important as polishing agents. 

Chem. Descrip. Highly branched, med. m.w. polyethylene wax CAS 9002-88-4 EINECS/ELINCS 200-815-3 Uses Wax used in hot-melt adhesives and coatings for papers and pkg. materials paraffin modifiers in slush and cast molding, candles, inte processing aid for rubber compounding dispersant for color cones. food pkg. adhesives, coatings, paper, cellophane, rubber defoamer in food-contact coatings, paper/paperboard Features Nonemulsifiable low density... 

Chem. Descrip. Low m.w. polyethylene wax CAS 9002-88-4 EINECS/ELINCS 200-815-3 Uses For paper-coating applies., printing inks processing aid and pigment dispersant tor polyolefin color cones. 

Chem. Descrip. Oxidized polyethylene wax CAS 68441-17-8 EINECS/ELINCS 200-815-3 Uses Rub resist, aid in printing inks flatting agent, antisettling agent in paints/coatings dispersant, color enhancer in color cones. hardener in wax compds. bik. heel mark resist, aid in floor polishes lubricant for plastics processing in the production of emulsions for polishes, textile, paper and other industries... 

Chem. Descrip. Polyethylene wax (19%), xylene (81%) dispersion Uses Surf, conditioner, mar resist, aid, abrasion resist, aid for coatings, wood furniture coatings, inks, overprint varnishes, solvent-borne coatings, food-contact coatings... 

Chem. Descrip. Polyethylene wax (22.5%), xylene (61.5%), polymeric plasticizer (16%) dispersion... 

Chem. Desaip. Polyethylene wax (22%), xylene (71%), short-oil coconut alkyd resin (7%) dispersion... 

These are highly effective external lubricants for PVC, with positive effect on gelation and surface quality of finished products. Polar polyethylene waxes have a pronounced anti-sticking effect and high molecular types are suitable for transparent items. Other waxes improve pigment dispersion and permit production of highly concentrated masterbatches with better colour yield. 

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