206results about "Wax coatings" patented technology

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, N 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 invention relates to the field of coatings, and discloses a biomass-based oil-resistant coating and a preparation method thereof, the coating comprises an additive solution, a paraffin solution and gallic acid; the paraffin solution is obtained by dissolving paraffin in absolute ethyl alcohol; a preparation method of the additive solution comprises the following steps: mixing chitosan powder and an acetic acid aqueous solution to prepare a chitosan solution, ultrasonically dispersing functionalized montmorillonite in deionized water to prepare a suspension, then uniformly mixing the chitosan solution and the suspension, adding modified phytic acid prepared by grafting phytic acid and ethylene glycol diglycidyl ether, and stirring to react; the functional montmorillonite is prepared by modifying modified montmorillonite with titanium dioxide and zinc oxide, then activating the modified montmorillonite with 3-aminopropyltriethoxysilane and succinic anhydride, and then carrying out a ring-opening reaction with glycidyl neodecanoate. The coating prepared by the invention has high water resistance, the Kit oil-proof grade is kept at grade 12, and the oil-proof performance of the coating is greatly improved. Meanwhile, the antibacterial performance, the tensile index and the ultraviolet aging resistance are relatively high.

The invention relates to the technical field of functional label paper, in particular to degradable bio-based hot-melt pressure-sensitive adhesive label paper and a preparation method thereof.The degradable bio-based hot-melt pressure-sensitive adhesive label paper comprises a base material layer, a hot-melt pressure-sensitive adhesive layer and a release layer; 30-50 parts of the base material layer is a polylactic acid / bamboo fiber / nanocellulose composite film; 40-60 parts of the adhesive layer contains poly (butylene adipate-butylene terephthalate) and the like, and contains a composite toughening agent; and 5-10 parts of a release layer is a beewax / chitosan / montmorillonite coating. The mechanical and adhesive properties of the label paper are improved, and the label paper is good in weather resistance, full-degradable, environment-friendly, stable in process, suitable for the fields of food and medicine and capable of supporting industrialization.

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.

The invention discloses a preparation method of a recyclable electric sensing coating for defect detection. The preparation method is characterized by comprising the following steps: S1, preparing an electroluminescent unit EL; s2, preparing field coupling microspheres FCM based on an electroluminescent unit EL; and S3, preparing the recoverable electric sensing coating based on the field coupling microsphere FCM. The method has the advantages that electric field sensing and an environmental protection concept are successfully combined, and a low-cost, high-sensitivity and lossless polymer interface defect detection method is created. By visualizing the distribution of the electric field around the defect, the REC not only solves the bottleneck of the traditional technology in the aspects of detection precision, economy and environmental protection (recycling), but also provides a new way for realizing the fine management and maintenance of the material state, and has far-reaching significance for promoting the stable operation in the fields of electrical equipment and electronic equipment.

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 invention relates to the technical field of haloxylon ammodendron forest rejuvenation in an arid region, in particular to a degenerated haloxylon ammodendron forest stumping, updating and rejuvenating method which comprises the following steps: (1) performing stumping treatment on target plants from late February to mid-March in early spring; (2) applying a composite modifier within 1-3 days after stumping; (3) carrying out periodic moisture regulation and control within 1-2 days after the composite modifier is applied; and (4) after the water regulation is finished, covering the base part of the plant with a mixed covering. The method solves the problem that in the prior art, only rejuvenation of the overground part is emphasized, but the health of the underground root system is neglected, the apparent quality of the haloxylon ammodendron forest can be improved, and the long-term stress resistance and ecological adaptive capacity of plants are remarkably improved.

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 coating may be used to hinder agglomeration and dust formation when the seed is treated. An aqueous emulsion suitable for coating seeds and other substrates may comprise: an aqueous fluid; from 5% to 60% by weight, based on total solids, of at least one wax; and 0.1% to 45% by weight, based on the total solids, of at least one abietic acid, which is at least partially neutralized by at least one base. One or more additional additives may also be present in the aqueous emulsion.

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 invention relates to a simple and efficient coating agent preparation process. The process is particularly suitable for a preparation process of a wax emulsion type coating agent taking natural wax as a film forming substance. The process adopts a one-step emulsification method and comprises the following steps: heating and mixing fatty acid, natural wax, water and an emulsifier in a closed reaction kettle, adding a neutralizer to adjust the pH value, heating to an emulsification temperature, further heating to 100-120 DEG C to form pressure in a system, effectively reducing or eliminating bubbles generated in the emulsification process, and then cooling and filtering to obtain a stable emulsion product. Compared with a traditional two-step method or a multi-kettle process, the process is simple in equipment, convenient to operate, high in emulsion stability, remarkable in bubble control effect and suitable for large-scale continuous production. The obtained wax emulsion can be widely applied to the fields of fruit and vegetable preservation, seed coating, biological medicine and the like, and has good economic and popularization values.

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 disclosure relates to compositions comprising a wax and one or more salts of fatty acids. Exemplary embodiments include from about 20% to about 98% by weight of a wax and from about 2% to about 40% by weight of one or more C4 to C6 fatty acids. 28 Also provided herein are coated agricultural products comprising an agricultural product and a layer disposed on a surface of the agricultural product, wherein the layer comprises a composition described herein.

The present invention relates to a method for coating the inner surface of a substrate with at least one thermoplastic polyurethane coating composition. The present invention also relates to a coated substrate having an inner surface coated with at least one thermoplastic polyurethane coating composition comprising a polyurethane and at least one wax. The present invention also relates to the use of at least one thermoplastic polyurethane coating composition for coating the inner surface of a substrate, wherein the thermoplastic polyurethane coating composition comprises a polyurethane and at least one wax. The thermoplastic polyurethane coating composition comprises a polyurethane and at least one wax. The method limits the amount of organic impurities, such as oligomeric cyclic ethers 2,4,7,9-tetramethyl-5-decyne-4,7-diol (TMDD) and 7,9-di-tert-butyl-1-oxaspiro(4,5)deca-6,9-diene-2,8-dione (oxaspiro), leaching from the coated surface of the substrate when the coated surface of the substrate comes into contact with water.

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.

The invention relates to a method for manufacturing a heat scalable barrier material (2), the method comprising: supplying a paper (10, 11) having a first side and a second side, applying a barrier coating dispersion on the first side of the paper by using a blade coater or a rod coater, the barrier coating dispersion being an aqueous dispersion having solids content in a range between 40 and 60 wt. % and comprising from 20 wt. % to 60 wt. % mineral pigment(s), and from 20 wt. % to 80 wt. % functional polymer(s) which are selected from a group consisting of: polyolefin dispersion(s), acrylate dispersion(s), styrene-acrylate dispersion(s), vinyl acetate-acrylate dispersion(s), and styrene-butadiene latex dispersion(s), and drying the barrier coating dispersion in order to form a barrier coating layer (20). The invention relates to a use of the heat sealable barrier material. The invention further relates to a package.

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 application provides a self-temperature-control electric heating anti-icing coating and a coating thereof, and belongs to the technical field of anti-icing. The self-temperature-control electric heating anti-icing coating comprises the following raw materials in parts by mass: 1-32 parts of a paraffin emulsion; 2-25 parts of a conductive filler; and 4-40 parts of a water-based resin. The solid content of the paraffin emulsion is 8-15%. The preparation raw materials of the paraffin emulsion comprise paraffin, a silane coupling agent, an emulsifier and water. Through the interaction of each raw material in the coating component, the self-temperature-control electric heating anti-icing coating can increase the resistance with the increase of temperature on the basis of the positive temperature coefficient effect, and can prevent the coating from overheating even if high voltage is applied. In the low-temperature icing environment, the voltage can be applied to realize the electric heating deicing at a low temperature of-30 DEG C.

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.

Provided is a rust-preventive composition showing excellent rust-preventive performance for plate joining parts such as doors of automotive bodies, the composition having sufficient corrosion resistance and being capable of preventing dripping from automotive bodies. A rust-preventive composition including: a rust-preventive additive; a wax having a melting point within the range of 60°C to 130°C selected from microcrystalline waxes and polyethylene-based or polypropylene-based synthetic waxes; bentonite; a hydrogenated oil; and two or more kinds of diluents having different viscosities; the rust-preventive additive being contained in an amount within the range of 12% by mass to 39% by mass with respect to the total composition, the bentonite being contained in an amount within the range of 2% by mass to 6% by mass with respect to the total composition, the wax being contained in an amount within the range of 3% by mass to 13% by mass with respect to the total composition.