1466results about "Wax coatings" patented technology

The present invention generally relates to a barrier coating composition for application to a thermoplastic film comprising (a) a nano-clay additive in an amount from about 1 wt % to 50 wt % of said barrier coating, wherein said nano-clay additive comprises untreated nano-clay platelets; and (b) a base coating in an amount from about 50 wt % to 99 wt % of said barrier coating, wherein said base coating comprises a polymer selected from the group consisting of polyvinylidene chloride (PVdC), poly(vinyl)alcohol (PVOH), ethylene vinyl alcohol (EVOH), acrylate copolymers and mixtures thereof.

This invention relates to wax formulations comprised of specific poly(oxyalkylenated) colorants having alkenyl succinic anhydride (ASA) terminal groups. Preferably the wax formulation is a crayon. Such polymeric ASA-capped colorants provide excellent coloring, decreased migratory properties, and improved balanced burning characteristics over traditional crayon colorants, pigments, and dyestuffs. This invention also concerns methods of making the aforementioned colored crayon formulations as well as other colored wax articles, such as candles.

Waxes prepared from hydrogenated plant oils, such as castor, palm, and soybean, are used to prepare water based emulsions. The inventive waxes, obtained from naturally derived, renewable resources, were emulsified under anionic, cationic and nonionic conditions, producing emulsions having a solids content up to about 45% solids. When used to coat fibrous cellulosic articles, such as paperboard, the emulsions' performance was similar to emulsions containing petroleum-derived waxes. The inventive waxes have a low iodine value (between 2-5), and melting points between approximately 120-200 degrees F. (Mettler Drop Point). These waxes comprise a triglyceride whose fatty acids are predominantly stearic acid or ricinoleic acid. The inventive waxes are used as an alternative to petroleum-derived, or expensive naturally-occurring waxes in the manufacture of emulsions used in coatings, polishes, adhesives, paper products, paperboard and other manufacturing operations.

The invention provides methods for making clay/wax nanocomposites and coatings and films of same with improved chemical resistance and gas barrier properties. The invention further provides methods for making and using emulsions of such clay/wax nanocomposites. Typically, an organophillic clay is combined with a wax or wax/polymer blend such that the cohesion energy of the clay matches that of the wax or wax/polymer blend. Suitable organophilic clays include mica and phyllosilicates that have been surface-treated with edge or edge and surface modifying agents. The resulting nanocomposites have applications as industrial coatings and in protective packaging.

The present invention generally relates to an additive package for warm-mix asphalt formulations for the pavement of road surfaces, said additive package comprising a) surfactant component, and b) an asphalt rheology modifying component, wherein said asphalt rheology modifying component comprises at least one of a i) a wax component and ii) a resin component. The invention also relates to a warm mix asphalt having improved compaction at lower temperatures, and to a pavement made from said warm mix asphalt.

Provided are compositions for improving the water-resistance and dimensional stability of wood and wood products. The compositions comprises wax and oil components, and can be applied as liquid compositions comprising little or no water. Also provided are methods for the application of the compositions to wood.

An ultraviolet light curing coating for a PVC floor is prepared from components in parts by weight as follows: 0-40 parts of prepolymers, 0-15 parts of fluorine-containing resin, 15-25 parts of a reactive diluent, 1-10 parts of a photoinitiator, 15-30 parts of filler, 1-5 parts of a wetting dispersant and 1-5 parts of a defoaming agent. The ultraviolet light curing coating for the PVC floor is high in curing speed, good in permeability and excellent in scratch resistance and pollution tolerance. The wear-resisting filler is added, so that a coating system has outstanding wear resistance and the wear resistance of the PVC floor is remarkably improved; the wear-resisting filler is one or more of ceramic powder, aluminum oxide, calcium carbonate, silica powder, corundum, diamonds, glass micropowder and macromolecule wax. Some fluorosilicon resin is also added to the coating to greatly reduce the surface tension of the coating, and the dirt resistance of the system can be significantly improved. The dispersity and the levelling performance of the coating system can be remarkably improved, bubbles of the coating can be notably reduced, and a coating layer with excellent performance can be obtained after curing.

The invention discloses shell-core lightweight wide band composite absorbing material and a preparation process. The composite absorbing material is formed by carbonyl iron powder (CIP), polymethyl methacryate (PMMA), polyaniline (PANI) and paraffine, wherein CIP, PMMA and PANI form a double-covered shell-core structure which is mixed with paraffine to produce into lightweight wide band composite absorbing material. The composite absorbing material has the double-covered shell-core structure, not only has magnet loss layer, but also has electricity loss layer, and is provided with a transmitted wave layer between the magnet loss layer and the electricity loss layer, which significantly increases wide brand absorbing property. Reflectance is smaller -7Db in the testing frequency range of 2-18 GHz, the continuous band width whose reflectance is smaller -10dB reaches to 10.2 GHz, thereby the composite absorbing material has excellent wide band absorbing property, and has smaller density, realizes the prevention of electromagnetic radiation from damaging human bodies and affecting to devices, simultaneously can interfere the detection of radar which makes military target avoid the military attacks.

The invention relates to a water-based flexographic ink system dedicated to dual-PE paper cups. The ink system, which consists of water-based flexographic colored ink dedicated to dual-PE paper cups and varnish capable of being contacted with food, is used for the flexographic printing of dual-PE paper cups, and can effectively meet the printability requirement and the post-press finishing requirement. The varnish can effectively isolate the colored ink from being directly contacted with food and beverage, thus ensuring the hygienic safety of paper cups. The invention has the advantages of excellent properties, no toxin, no smell, safety, environment-friendliness and low overall cost, and has a broad market prospect.

The invention provides hard wax oil prepared from the following components in parts by weight: 40-80 parts of vegetable oil, 3-15 parts of biological wax, 5-15 parts of rosin glycerol resin, 0.2-1.0 part of drier, 0.1-0.5 part of anti-skinning agent, 0.1-0.3 part of mixed UV (Ultra-Violet) absorber and 0.1-0.3 part of defoaming agent. The preparation method of the hard wax oil, which is provided by the invention, comprises the steps of generating bodied oil with relatively smaller molecular weight under the action of nitrogen protection and adding an oil-based UV absorber with synergy and a hindered amine light stabilizer, and thus the UV absorption performance of the hard wax oil is improved. The prepared hard wax oil is suitable for outdoor woodenware products, has good weatherability, favorable water resistance and ideal durability effect under the condition that sunlight and UV rays exist, and the hard wax oil hardly sags and has tough firm formed in coating construction, belongs to natural coatings, accords with the environmental protection requirement and can be also used for decorating private indoor rooms.

The invention relates to an antirust wax, which takes Fischer-Tropsch synthesis wax as a matrix material, and is composed by adding a polymer, petroleum wax, an antirust agent, a filling material and the like. The components with weight percentage are 10wt%-80wt% of Fischer-Tropsch wax, 2wt%-30wt% of polymer, 0-40wt% of petroleum wax, 0.1wt%-10wt% of antirust agent and 0-20wt% of filling material. The antirust wax is convenient to use, and has good antirust performance, excellent surface smoothness and abrasion resisting performance, good fluidity and flexing resistance, impact resistance and antistripping resistance. The antirust wax possesses wide application, and can be used for moisture resistance and corrosion resistance of various steels, precision apparatus, casting members, processing parts(such as automobile chassis, large-scale bearing and the like), and can be used for antirust processing schemes with low cost. The antirust wax can be directly heated for coating, can be prepared to liquid by adding a volatile solvent, and can be prepared to an emulsifier by adding water for emulsification.

The present invention relates to a water base rust-resisting protection agent for metal sheet, band and foil product. Said rust-resisting protecting agent is formed from wax substance, rust-resisting agent, adsorbing agent and surfactant. Said protection agent is an emulsion liquor, can be applied or sprayed on the surface of metal sheet, band and foil product so as to form a layer of uniform, compact and bright protecting layer with the characteristics of resisting heat, resisting cold, resisting wet-heat and easy-washing, can be used for protecting the metal sheet, band and foil product.

The invention relates to a coating combination for pure natural woodenware, which is characterized in that the coating combination is made of natural animal and plant products which are non-toxic, natural and environment-friendly, and capable of sinking into the surface layer of wood and avoiding coating film formation on the surface of the wood when in use, thus enabling the wood to breathe naturally, maintaining the elasticity of the natural wood and preventing the coating combination from cracking, tilting and dropping. The coating combination comprises the following components by weight percent: 30wt% to 70wt% of solvent; 70wt% to 30wt% of natural plant oil derivative; 1wt% to 10wt% of natural wax; 0wt% to 10wt% of pigment; 0wt% to 3wt% of dye and 0wt% to 3wt% of additives, wherein the natural plant oil derivative is particularly one of linseed oil, castor oil, tung oil and soya-bean oil or the product chemically processed from the mixture thereof; and the natural wax is particularly one of carnauba wax, candelilla wax, insect-white wax (Chinese wax) and natural bee wax or the mixture thereof.

The present invention relates to formaldehyde eliminating green water-base lacquer and its preparation process. The formaldehyde eliminating green water-base lacquer as one kind of chemical paint composition is used for surface treatment of wooden furniture. It consists of polymer emulsion, filming assistant, foam inhibitor, wetting and leveling agent, thickener, preservative, pure water and other ingredients. Owing to its formaldehyde eliminating ingredients, the formaldehyde eliminating green water-base lacquer is one kind of excellent water-base lacquer with excellent formaldehyde eliminating effect.

It is an object of the present invention to provide a water-borne resin composition for treating a steel sheet plated with an aluminum-zinc alloy which can be suitably applied to a steel sheet plated with an aluminum-zinc alloy and can impart the high ability to be processed, and the high corrosion resistance, resistance to blackening, weather resistance and adhesion to a coating film to the steel sheet and is also superior in the storage stability, a method of coating a steel sheet plated with an aluminum-zinc alloy using the same and a steel sheet plated with an aluminum-zinc alloy. A water-borne resin composition for treating a steel sheet plated with an aluminum-zinc alloy comprising an anionic water-dispersed polyurethane (a), a silane coupling agent (b) and a water-soluble zirconium compound (c) , said anionic water-dispersed polyurethane (a) having a glass transition temperature (Tg) of 50 DEG C or lower, and said water-soluble zirconium compound (c) being a substance, a pH of which becomes 7 to 11 in dissolving it in water, and having a pH of 7 to 10.

The invention provides a high chlorinated polyethylene coating containing stainless steel flakes and a preparation method thereof. The coating comprises the following components in portion by mass: 100 portions of high chlorinated polyethylene resin, 10 to 250 portions of modified resin, 10 to 1,400 portions of the stainless steel flakes, 0 to 1,400 portions of pigment and filler, 0.1 to 10.5 portions of antifoaming agent, 0 to 175 portions of coupling agent, 0.3 to 10.5 portions of anti-settling agent, and 100 to 2,000 portions of solvent. The coating has the advantages that the coating has good anticorrosion performance, and can be widely applied to various corrosion environments such as acid, alkali, salt, sea water, soil, chemical industry atmosphere and the like; the protective lifetime of a coating system is prolonged; and the coating can be used as primer, intermediate coating, surface coating or bottom integral coating, can be packed separately, is convenient to construct and quick to dry, and can be constructed at the ambient temperature of between 20 DEG C below zero and 40 DEG C.

A composition of matter suitable for use as a road marking substance and a method thereof provides for the steps of mixing a binder mixture with a filler mixture, heating the mixed ingredients while mixing into a homogenous molten mixture and then extruding the molten mixture. The extruded material is cooled, cut into individual pellets, coated with an anti-clumping coating and packaged for use in making a road marking substance in situ. The binder can be alkyd-based or hydrocarbon based. The binder includes rosin resins, wax and a plasticizer, and a hydrocarbon resin is added for the hydrocarbon-based binder. The filler contains titanium dioxide, a pigment (if necessary) and ground calcium carbonate.

The invention discloses stain-resistant and oil-resistant wallpaper. The stain-resistant and oil-resistant wallpaper comprises a substrate layer, a stain-resistant layer and an oil-resistant layer, wherein the outer periphery of the substrate layer is coated with the stain-resistant layer, and the outer periphery, far away from the substrate layer, of the stain-resistant layer is coated with the oil-resistant layer; the oil-resistant layer is prepared from the raw materials: acrylic perfluoroalkyl ester, alkyd resin, polyester resin, perfluoroalkyl acrylate, butyl acrylate, hydroxyethyl acrylate, aluminum tripolyphosphate, nano zinc borate, potassium persulfate, hydroxymethyl cellulose, nano zinc oxide, nano titanium dioxide, diatomite, magnesium hydroxide, aluminum oxide, organobentonite, sericite powder, perfluorocarbon, ferric phosphate, sodium molybdate, sodium persulfate, chlorinated paraffin, silane coupling agent KH-560, dibutyltin dilaurate, octadecyl trimethyl ammonium chloride, polyethylene glycol, fluorosilicon oil, a thickener, an antifoamer, a curing agent and modifying auxiliaries. The invention further provides a preparation method of the stain-resistant and oil-resistant wallpaper. The prepared wallpaper has excellent stain resistance and oil resistance.

Novel, stable aqueous coating dispersions of wax or combination of waxes are described. The composition apart from wax includes an emulsifier and a plasticizer. The pharmaceutical applications of the dispersion include taste masking, stabilization and release retardation of drugs.

Emulsions are provided which are useful in imparting water-resistance to lignocellulosic products. In one embodiment, the emulsions contain a nonsaponifiable wax, a saponified wax, an alkyl phenol component, a dispersant/surfactant such as a salt of polynaphthalenesulfonic acid, and a carboxymethylcellulose. Such emulsions may be added to hot, even boiling, water without the emulsion separating or curdling. Various embodiments are stable for extended periods of time when stored at room temperature, do not require the addition of a preservative biocide to avoid contributing to biodegradation in a lignocellulosic product. The emulsions are pourable liquids at room temperature. Optionally, the emulsions may be added to lignocellulosic products with a preservative to inhibit the preservative from leaching out.

The invention relates to quick-drying primer-topcoat two-in-one steel member paint and a preparation method thereof. The steel member paint is prepared from the following components by weight: 20-38 parts of synthetic resin, 10-20 parts of antirust pigment, 6-12 parts of coloring pigment, 5-11 parts of fillers, 1-4 parts of auxiliary agents, and 32-50 parts of solvents. The preparation method comprises the following steps: adding 85-95 wt% of solvents into a stirring tank, adding synthetic resin, stirring to completely dissolve the synthetic resin; adding part of auxiliary agents, antirust pigment, coloring pigment, and fillers into the stirring tank to obtain color slurry; grinding the color slurry by a sand grinder to allow the fineness of the color slurry to be not more than 40 microns; adding the rest of the auxiliary agent into the grinded color slurry, and adjusting the viscosity to 120-150 s by using the rest of the solvent to obtain the quick-drying primer-topcoat two-in-one steel member paint. When compared with the prior art, the quick-drying primer-topcoat two-in-one steel member paint of the invention has good antirust performance and drying speed, does not sag after thick coating, can realize undercoating at a time, is suitable for protection and decoration of large and medium sized steel members, and is simple in preparation method and wide in application scope.

The invention relates to a besmirch resistant water-containing coating composition, which comprises the following components in percentage: (i) a water-containing copolymer emulsion, wherein the copolymer is prepared from a mixture comprising the following monomers in percentage by weight in form of the dry weight of the copolymer: a) 89 to 99.95 percent of an olefinic bond type unsaturated non-ionic monomer, and b) 0.05 to 5 percent of phosphorous olefinic bond type unsaturated monomers or salts thereof; (ii) a pigment, which renders the PVC range of the coating composition between 5 and 65 percent; (iii) a paraffin wax emulsion of which the dry weight is 0.5 to 20 percent of that of the copolymer (i); (iv) a sulphur-containing surfactant of which the weight is 0.01 to 3 percent of the dry weight of the copolymer (i); and (v) a coating auxiliary agent. The invention also relates to a method for obtaining a besmirch resistant surface as well as a base material with the surface coated with the water-containing coating composition.

A formulation, and a process for making same, is disclosed which is useful as a coating or treatment for imparting oil and grease resistance to an underlying substrate. The formulation does not contain any fluorochemicals. At the same time, however, the formulation provides oil and grease resistance properties that are equivalent to known coatings and treatments which contain fluorochemicals, particularly those coatings which are permitted to come into direct contact with food products. Therefore, the formulation of the present invention is ideal for use as a coating for paper and paperboard, including paper packaging such as that utilized in food wrappers, food containers, food receptacles and the like, and for other shaped articles. The formulation is also useful as a coating or treatment for providing release properties to an underlying substrate without the use of silicone. In addition, the present invention relates to the process for making the underlying substrate ideal for holdout of the release coating without excessive fiber refining, as in glassine papers. The formulation is a low solids coating that can be applied on the size press of a paper machine, eliminating the need for a post-machine coating process. The formulation does not include silicone, thereby allowing the release paper to be re-pulped. The wet end additive that provides sheet holdout combines with the release formulation to provide a release paper for pressure sensitive adhesives.