131results about "Wax coatings" patented technology

The invention discloses a wear-resistant high-gloss nano liquid, a wear-resistant high-gloss ceramic tile and a preparation method of the wear-resistant high-gloss ceramic tile, and belongs to the technical field of ceramic manufacturing. The wear-resistant high-gloss nano liquid at least comprises a component A, a component B and a component C which are independently subpackaged, wherein the component A comprises large-particle silica sol, boric acid, sodium methyl silicate, carboxymethyl cellulose sodium, a boronizing stabilizer and the balance of water; the component B comprises a boronizing stabilizer and the balance of water-based modified silicone oil; and the component C is wax emulsion. Through systematic material and process innovation, the ceramic tile which is high in gloss, strong in antifouling property, durable in wear resistance and high in transportation performance is prepared, and the market requirements of surface treatment materials which are high in performance, low in cost and easy to transport are met.

This invention discloses a method for preparing a microcapsule-based photothermal self-healing anti-icing coating, belonging to the field of functional coating materials technology. The method includes: obtaining the core material and wall material composition parameters of the microcapsules, and collecting the polyacrylamide concentration and dopamine polymerization time; constructing a morphology-photothermal correlation model of the microcapsules to obtain the predicted photothermal conversion efficiency; performing multi-objective optimization on the core and wall material composition parameters with the target photothermal conversion efficiency as a constraint, and iteratively inverting to obtain the optimal microcapsule configuration; preparing primary microcapsules and composited with a dopamine photothermal modification layer on their surface to obtain a photothermal self-healing microcapsule additive; mixing the photothermal self-healing microcapsule additive with an epoxy resin-based coating at an adaptive mass ratio, coating and curing to obtain an anti-icing coating. This invention achieves accurate prediction of the photothermal conversion efficiency of microcapsules and intelligent optimization of composition parameters, obtaining an anti-icing coating with both high photothermal conversion efficiency and rapid self-healing capability.

The invention discloses artificial board emulsifying wax, which is prepared from the following raw materials in percentage by mass: 25 to 40 percent of paraffin, 3 to 5 percent of compound emulsifier, 2 to 4 percent of cationic starch, 3 to 7 percent of liquid polybutadiene and 44 to 67 percent of water, the compound emulsifier is a nonionic emulsifier, and the hydrophilic-lipophilic balance value is 9-10. The artificial board emulsifying wax is good in waterproofness and high in strength when applied to artificial boards.

The present invention relates to light-colored corn wax oxides, to a process for their preparation, and to their use for agricultural or forestry purposes, as additives in plastic processing, in care products, in printing inks and / or in paints, and to saponified or esterified corn wax oxides prepared by saponification or esterification of the said corn wax oxides.

The invention discloses a preparation method and application of a biomass-based low-temperature freeze-thaw resistant material, and belongs to the technical field of green packaging materials.The preparation method comprises the steps that a deep eutectic solvent (DES) is added into sodium alginate (SA) film forming liquid, and blended film forming liquid is obtained; and drying, crosslinking with an ethanol-calcium chloride crosslinking agent, spraying a beewax emulsion on the outer side layer after crosslinking, and volatilizing ethanol to obtain the biomass-based low-temperature freeze-thaw resistant material (SA-DES-WAX). The SA-DES-WAX prepared by the invention can reduce the entering of water molecules in the freezing and thawing cycle process, and meanwhile, an internal strong hydrogen bond system can inhibit the phase change crystallization of the water molecules, so that a biomass-based material capable of keeping the structural stability under the fluctuation of freezing and thawing temperature is obtained.

Provided are a method for measuring the wax concentration of a paint, a coating method, and a method for manufacturing a surface-treated steel sheet, which can measure the wax concentration contained in the paint at a point before applying the coating to the target material to be coated. 【Solution means】A solid content extraction step (step S101) of heating the paint to extract a solid containing wax, a wax extraction step (step S102) of immersing the solid in an organic solvent to obtain a wax extract, an analysis step (step S103) of analyzing the wax extract, and a calculation step (step S104) of calculating the wax concentration from the analysis results, and the heating conditions of the solid content extraction step satisfy the following. T W +20 ≦ T ≦ T W +70 90 ≦ t ≦ 150 T W +130 < T + t < T W +190 T is the heating temperature (°C), T W is the melting point of the wax (°C), and t is the heating time (minutes).

The invention discloses a composite sensing material as well as preparation and application thereof in liquid food spoilage monitoring. The material is of a metal oxide semiconductor / layered silicate mineral and wax integrated structure, and comprises a heterojunction sensitive layer formed by compounding metal oxide semiconductor nanoparticles and layered silicate minerals, and a wax super-hydrophobic protective layer coating the surface of the heterojunction sensitive layer. The preparation method comprises the following steps: dispersing the two raw materials into suspension liquid, coating the suspension liquid on an electrode to form the sensitive layer, and then coating and curing the wax material to form the protective layer. According to the material, the room-temperature gas-sensitive activity is enhanced through the heterojunction, meanwhile, the super-hydrophobic wax layer is used for resisting high humidity and liquid pollution, and function synergy is achieved. The obtained material is high in sensitivity and quick in response to decay mark gases such as ammonia gas and hydrogen sulfide at room temperature, and has excellent environmental interference resistance. The method is simple in process, low in cost, high in environmental adaptability, capable of being integrated in liquid food packaging, capable of achieving real-time in-situ monitoring of the decay process and wide in application prospect.

The present invention relates to a coating composition that provides high resistance to dirt, friction and polishing, due to the presence of mineral fillers and polymeric dispersions that promote resistance to polishing and meet wet abrasion resistance, said composition comprising: (a) at least one mineral filler selected from nepheline syenite, natural diatomite or a mixture thereof; (b) at least one silica-based matting agent; (c) at least one non-ionic aqueous emulsion selected from paraffin wax and high-density polyethylene wax or a mixture thereof; and (d) at least one additional component selected from the group consisting of solvent, dispersing agent, binding polymer and mixtures thereof. The present invention also relates to the use of the composition for the preparation of a washable matte acrylic paint product and matte acrylic paints containing the composition as claimed herein.

The application relates to the technical field of paint, and particularly discloses a high-viscosity water-based non-cured waterproof paint and a preparation method thereof. The high-viscosity water-based non-cured waterproof paint comprises the following raw materials in parts by weight: emulsified asphalt 30-50 parts, chloroprene latex 15-20 parts, heavy calcium carbonate 20-30 parts, a composite thickening agent 0.5-1.0 parts, a plasticizer 16-20 parts and a polyether modified silicon defoaming agent 0.2-0.4 parts; and the composite thickening agent is a mixture of a polyurethane thickening agent and an alkali swelling thickening agent. The water-based non-cured waterproof paint obtained by the application only has a trace of flow hanging when performing facade spraying, the elongation is only 28-42 mm, the comprehensive performance is high, and the bonding strength on dry and wet base surfaces is the highest and reaches 1.03 MPa and 0.91 MPa respectively, so that the viscosity of the water-based non-cured waterproof paint is improved.

The application belongs to the technical field of food packaging materials and surface modification, and discloses a full-biobased degradable super-hydrophobic composite coating as well as a preparation method and application thereof. The composite coating comprises a first coating, which is a dry solidified layer of a composite dispersion liquid containing corn protein, inorganic nanoparticles and bacterial cellulose; and a second coating formed on the surface of the first coating, which is a solid film layer after volatilization of a solvent of a hot wax solution. The core component of the application is derived from natural biomass, which fundamentally eliminates the use of traditional paper cup plastic film coating or fluorine-containing chemicals, and realizes full-biobased, rapid degradable and environment-friendly coating. The static water contact angle of the obtained coating is greater than 150°, and the rolling angle is less than 10°, which reaches the super-hydrophobic standard. The simple solution blending and coating process provides a reliable and highly industrialized solution for the development of green paper cup products, and has a wide application prospect.

The present invention deals with a formulation comprising at least one ethoxylated C13-C19 sorbitan monoester, saturated or not; and carnauba wax. Furthermore, the present invention pertains to a coating dilution comprising said formulation and the use of the formulation or of the coating dilution as a cold-end coating on a glass-container.

A lubricating film-coated steel sheet has at least one surface on which an organic resin film is formed. The organic resin film contains an acrylic resin having a glass transition point (Tg) of 100° C. or higher and an acid value ratio R=acid value (mg-KOH / g) / Tg (° C.) of 1.50 or more, and 5 mass % or more of a polyolefin wax having a melting point of 100° C. or higher and 145° C. or lower and an average particle diameter of 3.0 μm or less, and is formed on a surface of a steel sheet at a coating weight, W, of 0.3 g / m2 or more and 2.5 g / m2 or less per surface.

The present invention is a thermally conductive sheet comprising a heat-conducting layer comprising a polymer matrix and an anisotropic material, the anisotropic material oriented in a thickness direction and exposed on a surface, and a heat-softening layer provided on at least one surface of the heat-conducting layer, wherein the heat-softening layer covers the anisotropic material exposed on the surface of the heat-conducting layer. According to the present invention, a thermally conductive sheet capable of preventing falling of the anisotropic material can be provided.

The disclosure relates to synthetic wax compositions including at least one long- chain hydrocarbon residue having 4 to 40 carbon atoms, and at least one oligomeric residue containing 4 to 50 ester units such as adipate-co-terephthalate units, alkanoate units, glycolic acid units, and / or lactic acid units. The synthetic wax can include other functional groups such as pendant carboxylic groups to facilitate emulsification and / or metal complexation of the wax, and / or unsaturated carbon-carbon double bonds to facilitate curing or crosslinking of the wax. The synthetic wax can be used as a coating on a variety of substrates, for example paper substrates, to impart water and / or oil resistance to the substrate. The presence of the carboxylic groups and / or oligomeric ester residue in the wax permits chemical degradation under very mild conditions, which in turn facilitates removal, repulping, and / or recycling of the synthetic wax.

A building panel includes a substrate having a first major surface opposing a second major surface. The substrate includes a composite body having a cellulosic matrix and a binder composition including magnesium sulfate and magnesium oxide, a first coating including sodium silicate, and a water-resistant coating including one or more of magnesium sulfate, paraffin, and silicone.

The invention discloses a composite co-color type bionic hydrophobic intelligent indicating film and application thereof. The composite co-color type bionic hydrophobic intelligent indicating film is prepared by taking alkannin and shellac red acid as color developing agents, taking carboxymethylcellulose and polyvinyl alcohol as film forming substrates and introducing a polydopamine modified nano silicon dioxide hybrid material as a functional interface layer. Based on the synergistic co-color effect of alkannin and shellac red acid, the method can make quick and obvious color response to volatile alkaline substances generated in the rotting process of aquatic products, and also can make quick and obvious color response to acid gases such as CO2 generated in the storage process of fruits and vegetables; the method has the characteristic of double response to alkaline / acid gas, and three stages of freshness, secondary freshness and corruption of agricultural products are efficiently and nondestructively monitored in real time.

The invention provides an anti-drag coating and a preparation method thereof, an anti-drag device and application, the anti-drag coating comprises a three-dimensional porous skeleton and lubricating fluid, the three-dimensional porous skeleton comprises a plurality of nano filaments and a plurality of pore structures, the nano filaments are made of a carbon material, and the pore structures are made of a carbon material. And the lubricating fluid coats at least part of the surfaces of the nanofibrils and is infiltrated in at least part of the pore structures. The three-dimensional porous framework in the anti-drag coating serves as a supporting structure of the coating and a bearing base body of lubricating fluid, the microstructure of the three-dimensional porous framework is in an interwoven network form and is specifically formed by connecting and winding a plurality of nanofibrils, and gaps among the nanofibrils naturally form a plurality of continuous and through hole structures; a space carrier capable of containing and latching lubricating fluid is formed, and the lubricating fluid and the space carrier form a stable functional structure through the interface action to jointly achieve the efficient drag reduction effect.

Coatings may be used to discourage agglomeration and dust formation when handling seeds. Aqueous emulsions suitable for coating seeds and other substrates may comprise: an aqueous fluid; 5 wt. % to 60 wt. % of at least one wax, based on total solids; and 0.1 wt. % to 45 wt. % of at least one rosin acid, based on total solids, the at least one rosin acid being at least partially neutralized with at least one base. One or more additional additives may also be present in the aqueous emulsions.

The application discloses a tinned copper strip surface protecting agent and a preparation method thereof. Components of the protecting agent include, in mass parts, 1.1-5.9 parts of a composite film forming agent, 0.01-0.06 parts of a surfactant, 80-95 parts of an organic solvent and 1-18 parts of D series solvent oil. The composite film forming agent is compounded by liquid paraffin, polydimethylsiloxane, tridecafluoro octyl triethoxysilane and heptadecafluorodecyl trimethoxysilane. The application uses n-heptane as a main solvent, adds a small amount of liquid paraffin, polydimethylsiloxane and tridecafluoro octyl triethoxysilane, and under the auxiliary action of a surfactant acetylene glycol polyoxyethylene ether, can form a uniform and dense waterproof and antifouling protective layer on the surface of the tinned copper strip. The tinned copper strip coated by the protecting agent can be stored for a long time without causing surface oxidation, and can still keep smooth even in a storage or transportation environment with relatively high humidity. The formula process is simple, and the service life and reliability of the tinned copper strip are improved.

The invention provides a pavement marking material capable of enhancing perception, and relates to the technical field of road traffic marking. The pavement marking material capable of enhancing perception comprises 20-30% of C5 petroleum resin, 10-15% of hydrogenated rosin, 3-7% of composite wax, 45-60% of a magnetic composite material, 2-5% of a pigment filler, 0-10% of a filler and 0.5-2% of an antioxidant. The magnetic composite material comprises anisotropic neodymium iron boron magnetic powder and a soft magnetic material. A magnetic material is combined with the road marking, so that the road marking has magnetism, and after a vehicle is loaded with matched magnetic sensing equipment, the vehicle can stably and continuously recognize the road marking under any weather condition and road environment, and the lane keeping function of the vehicle is assisted.

The application provides an environment-friendly strippable coating composition with marine biofouling prevention function and a coating thereof, and belongs to the technical field of functional protective coating. The strippable acrylate film-forming emulsion is used as a main film-forming material, which can enhance the tensile strength of the coating, reduce the adhesion between the coating and the interface, and be beneficial to the overall peeling of the coating from the interface; the rosin tackifying emulsion can increase the viscosity of the coating, control the release rate of the antifouling agent, and improve the antifouling period effect; the water-based antifouling slurry can avoid VOC release and ensure excellent antifouling performance. The coating provided by the application is completely water-based, environment-friendly, has no VOC release in the construction and use process, and has stable and excellent antifouling performance. Meanwhile, the coating has high tensile strength and is easy to peel off as a whole. When the antifouling coating on the surface of an underwater vehicle, an underwater precision instrument or marine equipment fails or has more marine organisms attached, the coating can be peeled off together with the marine organisms attached to the surface, and subsequent respraying construction is facilitated.

A method for manufacturing biodegradable corrugated paper beverage containers configured to withstand internal pressure from carbonated beverages without changing the shape of the container is provided. The containers are made from a paper material treated with a barrier coating to prevent leakage and are formed into can shapes with corrugated-style ridges for improved structural integrity.

This present disclosure is directed generally to rapidly degradable polymers, for example, on-demand degradable polymers, products thereof, and methods thereof. In some embodiments, the rapidly degradable polymers degrade in 5 minutes or less in the presence of a peroxide.

The invention discloses a high-strength XLPE insulating fireproof flame-retardant low-voltage power cable and a preparation method thereof, and relates to the technical field of cable preparation. The cable sequentially comprises a wire core, a supporting structure, a mica tape, a semi-conductive shielding layer, an inner sheath, a flame-retardant wrapping layer and an outer sheath from inside to outside. The supporting structure is a cross-linked polyethylene foaming structure, and the surface of the supporting structure is coated with a flame-retardant coating; the flame-retardant coating is prepared from the following raw materials: chlorosulfonated polyethylene emulsion, acrylic emulsion, ammonium polyphosphate, pentaerythritol, melamine, starch, chopped glass fibers, modified halloysite nanotubes, potassium silicate, zinc borate, a silane coupling agent, chlorinated paraffin, a wetting dispersant, a defoaming agent and water. By optimizing the cable structure and the raw materials of the flame-retardant coating, the mechanical property, fire resistance and flame retardance of the cable can be improved.

The present invention has an object to provide an antifouling coating composition that provides an antifouling coating film superior in antifouling performance, that is superior in production workability and in dispersibility, and that is superior in storage stability so that generation of aggregates is prevented even after storage and furthermore, a high anti-sagging property is maintained even after storage, and a method for producing the same, and to provide an antifouling coating film obtained from the antifouling coating composition, a substrate with an antifouling coating film, including the antifouling coating film, and a method for producing the same. The antifouling coating composition of the present invention contains a curable polyorganosiloxane (A), a pyrithione metal salt (B), and an oxidized polyethylene wax (C), and satisfies at least one of the following Conditions A and B: Condition A: the pyrithione metal salt (B) in the antifouling coating composition has a median diameter (D50) of 5.0 µm or less Condition B: the pyrithione metal salt (B) that is a raw material has a median diameter (D50) of 3.0 µm or less.

The application discloses a straw fiber base bacteriostatic mulch with temperature and humidity response performance and a preparation method thereof, and belongs to the technical field of agricultural mulch. The straw fiber base bacteriostatic mulch with temperature and humidity response performance comprises, from bottom to top, a bottom film layer, a slow-release layer and a barrier layer. The slow-release layer is obtained by coating a mixed solution of acetic acid, a bactericide, gelatin and a plasticizer onto the bottom film layer. The barrier layer is obtained by coating palm wax emulsion on the surface of the slow-release layer. That is, the straw fiber base bacteriostatic mulch with temperature and humidity response performance is constructed by combining palm wax, a bactericide (carbendazim), gelatin and a wheat straw fiber base mulch. The straw fiber base bacteriostatic mulch can respond to changes in environmental temperature and humidity, realize accurate release of pesticides, and thus accurately control diseases.

A wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method of treating a wood substrate therewith, and a wood product produced therefrom are provided. The wood preservative composition comprises at least 0.5% by weight of DCOI based on the total weight of the composition and a retaining additive comprising a solvent-borne polymeric resin, a wax, or a combination thereof. A weight ratio of the DCOI to the retaining additive in the composition is in a range of 1:5 to 5:1.

The present application relates to the field of paint, disclose a kind of oil-blocking paint based on biomass and its preparation method, the paint includes: additive solution, paraffin solution, gallic acid;Paraffin solution is dissolved in anhydrous ethanol using paraffin to obtain;The preparation method of additive solution is: taking chitosan powder and acetic acid aqueous solution mixed to prepare chitosan solution, taking functionalized montmorillonite ultrasonic dispersion in deionized water to prepare suspension, then mix evenly, grafting modified phytic acid prepared by adding phytic acid and ethylene glycol diglycidyl ether is stirred to prepare;Functionalized montmorillonite is modified montmorillonite using titanium dioxide and zinc oxide, then montmorillonite is activated using 3-aminopropyl triethoxysilane and succinic anhydride, then ring-opening reaction occurs with neodecanoic acid glycidyl ester to prepare, the coating prepared by the present application has high water-blocking capacity, Kit oil-proof grade is maintained at 12 level, and has high antibacterial performance, tensile index and ultraviolet aging resistance.

The invention relates to the technical field of supports, in particular to a release film for a ceramic capacitor and a preparation method of the release film. According to the technical scheme, the release film is composed of a base material layer and a composite release agent coating, the base material layer is composed of polytetrafluoroethylene glass varnished cloth, and the polytetrafluoroethylene glass varnished cloth comprises 100-120 parts of glass fiber cloth and 10-12 parts of polytetrafluoroethylene dispersion liquid; the composite release agent coating is composed of paraffin and an oily release agent, and the mass ratio of the paraffin to the oily release agent is 1: (1.5-2.5); the paraffin is 80-85 parts by mass; and the oily release agent is an organic silicon release agent. The prepared release film is uniform in thickness, the mucous membrane occurrence rate is only 10%-15%, the release time is shortened to 5-8 s, damage to an outer electrode coating layer of the ceramic capacitor is avoided, the production efficiency and quality of the ceramic capacitor are effectively improved, and the production cost is reduced.